BGP state shows NoNeg for IPv4 LU neighbor
Hi, I am trying to use FRR in my VM for BGP 3107 functionality. While configuring the BGP neighbor with address family "ipv4 labeled-unicast", the neighbor state shows NoNeg. But the peer side router shows established. I also noticed the routes are learnt in FRR from peer router and installed in the route table. But, I am trying to advertise my VM loopback to the LU neighbor, which is not happening. Can someone help me on this? Below is the VM details, root@ubuntu4-4-VM2:~# uname -r 4.16.18-041618-generic root@ubuntu4-4-VM2:~# lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 16.04.4 LTS Release: 16.04 Codename: xenial root@ubuntu4-4-VM2:~# FRR version: Total number of neighbors 1 ubuntu4-4-VM2# show version FRRouting 5.0 (ubuntu4-4-VM2). Copyright 1996-2005 Kunihiro Ishiguro, et al. configured with: '--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-silent-rules' '--libexecdir=${prefix}/lib/frr' '--disable-maintainer-mode' '--disable-dependency-tracking' '--enable-exampledir=/usr/share/doc/frr/examples/' '--localstatedir=/var/run/frr' '--sbindir=/usr/lib/frr' '--sysconfdir=/etc/frr' '--disable-snmp' '--enable-ospfapi=yes' '--enable-multipath=256' '--enable-ldpd' '--disable-tcp-zebra' '--enable-fpm' '--enable-user=frr' '--enable-group=frr' '--enable-vty-group=frrvty' '--enable-configfile-mask=0640' '--enable-logfile-mask=0640' '--enable-werror' '--with-libpam' '--enable-systemd=yes' '--enable-poll=yes' '--enable-cumulus=no' '--enable-pimd' '--enable-dependency-tracking' '--enable-bgp-vnc=yes' '--disable-rpki' 'CFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'FCFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'FFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'GCJFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'LDFLAGS=-Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now' 'OBJCFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'OBJCXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'build_alias=x86_64-linux-gnu' ubuntu4-4-VM2# FRR configuration, ubuntu4-4-VM2# sh running-config Building configuration... Current configuration: ! frr version 5.0 frr defaults traditional hostname ubuntu4-4-VM2 log syslog informational no ip forwarding no ipv6 forwarding service integrated-vtysh-config username cumulus nopassword ! interface lo ip address 10.10.100.11/32 label lo:10 ! router bgp 7018 neighbor 10.10.101.1 remote-as 7018 ! address-family ipv4 unicast network 10.0.0.0/8 label-index 3 no neighbor 10.10.101.1 activate exit-address-family ! address-family ipv4 labeled-unicast neighbor 10.10.101.1 activate neighbor 10.10.101.1 next-hop-self neighbor 10.10.101.1 route-map ADV_Lo10 out exit-address-family ! route-map ADV_Lo10 permit 10 match ip address 10.10.100.11/32 match source-protocol connected ! line vty ! end ubuntu4-4-VM2# sh ip bg sum IPv4 Labeled Unicast Summary: BGP router identifier 10.10.100.11, local AS number 7018 vrf-id 0 BGP table version 0 RIB entries 0, using 0 bytes of memory Peers 1, using 20 KiB of memory Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 10.10.101.1 4 7018 9337 8553 0 0 0 2d23h15m NoNeg Total number of neighbors 1 ubuntu4-4-VM2# ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 advertised-routes % No such neighbor or address family ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 received-routes % No such neighbor or address family ubuntu4-4-VM2# Displayed 26 routes and 26 total paths ubuntu4-4-VM2# sh ip route Codes: K - kernel route, C - connected, S - static, R - RIP, O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP, T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP, F - PBR, > - selected route, * - FIB route K>* 0.0.0.0/0 [0/0] via 135.21.13.161, ens3, 2d23h58m B>* 10.10.100.1/32 [200/0] via 10.10.101.1, bond0.11, label 306384, 2d23h58m B>* 10.10.100.10/32 [200/0] via 10.10.101.1, bond0.11, label 306416, 2d23h58m C>* 10.10.100.11/32 is directly connected, lo, 2d23h58m C>* 10.10.101.0/30 is directly connected, bond0.11, 2d23h58m C>* 10.10.101.32/30 is directly connected, bond0.12, 2d23h58m B>* 10.10.101.36/30 [200/0] via 10.10.101.1, bond0.11, label 306432, 2d23h58m B>* 10.10.101.40/30 [200/0] via 10.10.101.1, bond0.11, label 306368, 2d23h58m B>* 10.10.252.1/32 [200/0] via 10.10.101.1, bond0.11, label 306048, 2d23h58m B>* 10.10.252.2/32 [200/0] via 10.10.101.1, bond0.11, label 306064, 2d23h58m Regards, Thiruvazhiyan L ============================================================================================================================ Disclaimer: This message and the information contained herein is proprietary and confidential and subject to the Tech Mahindra policy statement, you may review the policy at http://www.techmahindra.com/Disclaimer.html <http://www.techmahindra.com/Disclaimer.html> externally http://tim.techmahindra.com/tim/disclaimer.html <http://tim.techmahindra.com/tim/disclaimer.html> internally within TechMahindra. ============================================================================================================================
Hi, The NoNeg issue was fixed by this PR: https://github.com/FRRouting/frr/pull/2494 To advertise local BGP-LU routes, I believe you must create static MPLS bindings in zebra first. Example: mpls label global-block 1000 2000 mpls label bind network 10.0.0.0/8 1001 Hope it helps, Renato. On Mon, Jul 9, 2018 at 3:50 PM, Thiruvazhiyan Lakshmanan <TL0041926@techmahindra.com> wrote:
Hi,
I am trying to use FRR in my VM for BGP 3107 functionality. While configuring the BGP neighbor with address family “ipv4 labeled-unicast”, the neighbor state shows NoNeg. But the peer side router shows established. I also noticed the routes are learnt in FRR from peer router and installed in the route table. But, I am trying to advertise my VM loopback to the LU neighbor, which is not happening. Can someone help me on this?
Below is the VM details,
root@ubuntu4-4-VM2:~# uname -r
4.16.18-041618-generic
root@ubuntu4-4-VM2:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
Codename: xenial
root@ubuntu4-4-VM2:~#
FRR version:
Total number of neighbors 1
ubuntu4-4-VM2# show version
FRRouting 5.0 (ubuntu4-4-VM2).
Copyright 1996-2005 Kunihiro Ishiguro, et al.
configured with:
'--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-silent-rules' '--libexecdir=${prefix}/lib/frr' '--disable-maintainer-mode' '--disable-dependency-tracking' '--enable-exampledir=/usr/share/doc/frr/examples/' '--localstatedir=/var/run/frr' '--sbindir=/usr/lib/frr' '--sysconfdir=/etc/frr' '--disable-snmp' '--enable-ospfapi=yes' '--enable-multipath=256' '--enable-ldpd' '--disable-tcp-zebra' '--enable-fpm' '--enable-user=frr' '--enable-group=frr' '--enable-vty-group=frrvty' '--enable-configfile-mask=0640' '--enable-logfile-mask=0640' '--enable-werror' '--with-libpam' '--enable-systemd=yes' '--enable-poll=yes' '--enable-cumulus=no' '--enable-pimd' '--enable-dependency-tracking' '--enable-bgp-vnc=yes' '--disable-rpki' 'CFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'FCFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'FFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'GCJFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'LDFLAGS=-Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now' 'OBJCFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'OBJCXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'build_alias=x86_64-linux-gnu'
ubuntu4-4-VM2#
FRR configuration,
ubuntu4-4-VM2# sh running-config
Building configuration...
Current configuration:
!
frr version 5.0
frr defaults traditional
hostname ubuntu4-4-VM2
log syslog informational
no ip forwarding
no ipv6 forwarding
service integrated-vtysh-config
username cumulus nopassword
!
interface lo
ip address 10.10.100.11/32 label lo:10
!
router bgp 7018
neighbor 10.10.101.1 remote-as 7018
!
address-family ipv4 unicast
network 10.0.0.0/8 label-index 3
no neighbor 10.10.101.1 activate
exit-address-family
!
address-family ipv4 labeled-unicast
neighbor 10.10.101.1 activate
neighbor 10.10.101.1 next-hop-self
neighbor 10.10.101.1 route-map ADV_Lo10 out
exit-address-family
!
route-map ADV_Lo10 permit 10
match ip address 10.10.100.11/32
match source-protocol connected
!
line vty
!
end
ubuntu4-4-VM2# sh ip bg sum
IPv4 Labeled Unicast Summary:
BGP router identifier 10.10.100.11, local AS number 7018 vrf-id 0
BGP table version 0
RIB entries 0, using 0 bytes of memory
Peers 1, using 20 KiB of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.101.1 4 7018 9337 8553 0 0 0 2d23h15m NoNeg
Total number of neighbors 1
ubuntu4-4-VM2#
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 advertised-routes
% No such neighbor or address family
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 received-routes
% No such neighbor or address family
ubuntu4-4-VM2#
Displayed 26 routes and 26 total paths
ubuntu4-4-VM2# sh ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
F - PBR,
> - selected route, * - FIB route
K>* 0.0.0.0/0 [0/0] via 135.21.13.161, ens3, 2d23h58m
B>* 10.10.100.1/32 [200/0] via 10.10.101.1, bond0.11, label 306384, 2d23h58m
B>* 10.10.100.10/32 [200/0] via 10.10.101.1, bond0.11, label 306416, 2d23h58m
C>* 10.10.100.11/32 is directly connected, lo, 2d23h58m
C>* 10.10.101.0/30 is directly connected, bond0.11, 2d23h58m
C>* 10.10.101.32/30 is directly connected, bond0.12, 2d23h58m
B>* 10.10.101.36/30 [200/0] via 10.10.101.1, bond0.11, label 306432, 2d23h58m
B>* 10.10.101.40/30 [200/0] via 10.10.101.1, bond0.11, label 306368, 2d23h58m
B>* 10.10.252.1/32 [200/0] via 10.10.101.1, bond0.11, label 306048, 2d23h58m
B>* 10.10.252.2/32 [200/0] via 10.10.101.1, bond0.11, label 306064, 2d23h58m
Regards, Thiruvazhiyan L
============================================================================================================================
Disclaimer: This message and the information contained herein is proprietary and confidential and subject to the Tech Mahindra policy statement, you may review the policy at http://www.techmahindra.com/Disclaimer.html externally http://tim.techmahindra.com/tim/disclaimer.html internally within TechMahindra.
============================================================================================================================
_______________________________________________ frog mailing list frog@lists.frrouting.org https://lists.frrouting.org/listinfo/frog
-- Renato Westphal
Thanks Renato for your reply. The NoNeg issue is resolved now. but, the route advertisement to LU neighbor is not happening. I tried to add the mpls label bind entries, still no luck. Is there any sample configuration to advertise the routes to LU peer. Is there a way to check whether the static label binding is installed in the route table before advertising into BGP. Regards, Thiruvazhiyan L -----Original Message----- From: Renato Westphal [mailto:renato@opensourcerouting.org] Sent: Monday, July 9, 2018 2:59 PM To: Thiruvazhiyan Lakshmanan Cc: frog@lists.frrouting.org Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor Hi, The NoNeg issue was fixed by this PR: https://github.com/FRRouting/frr/pull/2494 To advertise local BGP-LU routes, I believe you must create static MPLS bindings in zebra first. Example: mpls label global-block 1000 2000 mpls label bind network 10.0.0.0/8 1001 Hope it helps, Renato. On Mon, Jul 9, 2018 at 3:50 PM, Thiruvazhiyan Lakshmanan <TL0041926@techmahindra.com> wrote:
Hi,
I am trying to use FRR in my VM for BGP 3107 functionality. While configuring the BGP neighbor with address family “ipv4 labeled-unicast”, the neighbor state shows NoNeg. But the peer side router shows established. I also noticed the routes are learnt in FRR from peer router and installed in the route table. But, I am trying to advertise my VM loopback to the LU neighbor, which is not happening. Can someone help me on this?
Below is the VM details,
root@ubuntu4-4-VM2:~# uname -r
4.16.18-041618-generic
root@ubuntu4-4-VM2:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
Codename: xenial
root@ubuntu4-4-VM2:~#
FRR version:
Total number of neighbors 1
ubuntu4-4-VM2# show version
FRRouting 5.0 (ubuntu4-4-VM2).
Copyright 1996-2005 Kunihiro Ishiguro, et al.
configured with:
'--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-silent-rules' '--libexecdir=${prefix}/lib/frr' '--disable-maintainer-mode' '--disable-dependency-tracking' '--enable-exampledir=/usr/share/doc/frr/examples/' '--localstatedir=/var/run/frr' '--sbindir=/usr/lib/frr' '--sysconfdir=/etc/frr' '--disable-snmp' '--enable-ospfapi=yes' '--enable-multipath=256' '--enable-ldpd' '--disable-tcp-zebra' '--enable-fpm' '--enable-user=frr' '--enable-group=frr' '--enable-vty-group=frrvty' '--enable-configfile-mask=0640' '--enable-logfile-mask=0640' '--enable-werror' '--with-libpam' '--enable-systemd=yes' '--enable-poll=yes' '--enable-cumulus=no' '--enable-pimd' '--enable-dependency-tracking' '--enable-bgp-vnc=yes' '--disable-rpki' 'CFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'FCFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'FFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'GCJFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'LDFLAGS=-Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now' 'OBJCFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'OBJCXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'build_alias=x86_64-linux-gnu'
ubuntu4-4-VM2#
FRR configuration,
ubuntu4-4-VM2# sh running-config
Building configuration...
Current configuration:
!
frr version 5.0
frr defaults traditional
hostname ubuntu4-4-VM2
log syslog informational
no ip forwarding
no ipv6 forwarding
service integrated-vtysh-config
username cumulus nopassword
!
interface lo
ip address 10.10.100.11/32 label lo:10
!
router bgp 7018
neighbor 10.10.101.1 remote-as 7018
!
address-family ipv4 unicast
network 10.0.0.0/8 label-index 3
no neighbor 10.10.101.1 activate
exit-address-family
!
address-family ipv4 labeled-unicast
neighbor 10.10.101.1 activate
neighbor 10.10.101.1 next-hop-self
neighbor 10.10.101.1 route-map ADV_Lo10 out
exit-address-family
!
route-map ADV_Lo10 permit 10
match ip address 10.10.100.11/32
match source-protocol connected
!
line vty
!
end
ubuntu4-4-VM2# sh ip bg sum
IPv4 Labeled Unicast Summary:
BGP router identifier 10.10.100.11, local AS number 7018 vrf-id 0
BGP table version 0
RIB entries 0, using 0 bytes of memory
Peers 1, using 20 KiB of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.101.1 4 7018 9337 8553 0 0 0 2d23h15m NoNeg
Total number of neighbors 1
ubuntu4-4-VM2#
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 advertised-routes
% No such neighbor or address family
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 received-routes
% No such neighbor or address family
ubuntu4-4-VM2#
Displayed 26 routes and 26 total paths
ubuntu4-4-VM2# sh ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
F - PBR,
> - selected route, * - FIB route
K>* 0.0.0.0/0 [0/0] via 135.21.13.161, ens3, 2d23h58m
B>* 10.10.100.1/32 [200/0] via 10.10.101.1, bond0.11, label 306384, 2d23h58m
B>* 10.10.100.10/32 [200/0] via 10.10.101.1, bond0.11, label 306416, 2d23h58m
C>* 10.10.100.11/32 is directly connected, lo, 2d23h58m
C>* 10.10.101.0/30 is directly connected, bond0.11, 2d23h58m
C>* 10.10.101.32/30 is directly connected, bond0.12, 2d23h58m
B>* 10.10.101.36/30 [200/0] via 10.10.101.1, bond0.11, label 306432, 2d23h58m
B>* 10.10.101.40/30 [200/0] via 10.10.101.1, bond0.11, label 306368, 2d23h58m
B>* 10.10.252.1/32 [200/0] via 10.10.101.1, bond0.11, label 306048, 2d23h58m
B>* 10.10.252.2/32 [200/0] via 10.10.101.1, bond0.11, label 306064, 2d23h58m
Regards, Thiruvazhiyan L
============================================================================================================================
Disclaimer: This message and the information contained herein is proprietary and confidential and subject to the Tech Mahindra policy statement, you may review the policy at http://www.techmahindra.com/Disclaimer.html externally http://tim.techmahindra.com/tim/disclaimer.html internally within TechMahindra.
============================================================================================================================
_______________________________________________ frog mailing list frog@lists.frrouting.org https://lists.frrouting.org/listinfo/frog
-- Renato Westphal ============================================================================================================================ Disclaimer: This message and the information contained herein is proprietary and confidential and subject to the Tech Mahindra policy statement, you may review the policy at http://www.techmahindra.com/Disclaimer.html <http://www.techmahindra.com/Disclaimer.html> externally http://tim.techmahindra.com/tim/disclaimer.html <http://tim.techmahindra.com/tim/disclaimer.html> internally within TechMahindra. ============================================================================================================================
Thanks Renato for your reply. The NoNeg issue is resolved now. but, the route advertisement to LU neighbor is not happening. I tried to add the mpls label bind entries, still no luck. Is there any sample configuration to advertise the routes to LU peer. Is there a way to check whether the static label binding is installed in the route table before advertising into BGP. Regards, Thiruvazhiyan L -----Original Message----- From: Renato Westphal [mailto:renato@opensourcerouting.org] Sent: Monday, July 9, 2018 2:59 PM To: Thiruvazhiyan Lakshmanan Cc: frog@lists.frrouting.org Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor Hi, The NoNeg issue was fixed by this PR: https://github.com/FRRouting/frr/pull/2494 To advertise local BGP-LU routes, I believe you must create static MPLS bindings in zebra first. Example: mpls label global-block 1000 2000 mpls label bind network 10.0.0.0/8 1001 Hope it helps, Renato. On Mon, Jul 9, 2018 at 3:50 PM, Thiruvazhiyan Lakshmanan <TL0041926@techmahindra.com> wrote:
Hi,
I am trying to use FRR in my VM for BGP 3107 functionality. While configuring the BGP neighbor with address family “ipv4 labeled-unicast”, the neighbor state shows NoNeg. But the peer side router shows established. I also noticed the routes are learnt in FRR from peer router and installed in the route table. But, I am trying to advertise my VM loopback to the LU neighbor, which is not happening. Can someone help me on this?
Below is the VM details,
root@ubuntu4-4-VM2:~# uname -r
4.16.18-041618-generic
root@ubuntu4-4-VM2:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
Codename: xenial
root@ubuntu4-4-VM2:~#
FRR version:
Total number of neighbors 1
ubuntu4-4-VM2# show version
FRRouting 5.0 (ubuntu4-4-VM2).
Copyright 1996-2005 Kunihiro Ishiguro, et al.
configured with:
'--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-silent-rules' '--libexecdir=${prefix}/lib/frr' '--disable-maintainer-mode' '--disable-dependency-tracking' '--enable-exampledir=/usr/share/doc/frr/examples/' '--localstatedir=/var/run/frr' '--sbindir=/usr/lib/frr' '--sysconfdir=/etc/frr' '--disable-snmp' '--enable-ospfapi=yes' '--enable-multipath=256' '--enable-ldpd' '--disable-tcp-zebra' '--enable-fpm' '--enable-user=frr' '--enable-group=frr' '--enable-vty-group=frrvty' '--enable-configfile-mask=0640' '--enable-logfile-mask=0640' '--enable-werror' '--with-libpam' '--enable-systemd=yes' '--enable-poll=yes' '--enable-cumulus=no' '--enable-pimd' '--enable-dependency-tracking' '--enable-bgp-vnc=yes' '--disable-rpki' 'CFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'FCFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'FFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'GCJFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'LDFLAGS=-Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now' 'OBJCFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'OBJCXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'build_alias=x86_64-linux-gnu'
ubuntu4-4-VM2#
FRR configuration,
ubuntu4-4-VM2# sh running-config
Building configuration...
Current configuration:
!
frr version 5.0
frr defaults traditional
hostname ubuntu4-4-VM2
log syslog informational
no ip forwarding
no ipv6 forwarding
service integrated-vtysh-config
username cumulus nopassword
!
interface lo
ip address 10.10.100.11/32 label lo:10
!
router bgp 7018
neighbor 10.10.101.1 remote-as 7018
!
address-family ipv4 unicast
network 10.0.0.0/8 label-index 3
no neighbor 10.10.101.1 activate
exit-address-family
!
address-family ipv4 labeled-unicast
neighbor 10.10.101.1 activate
neighbor 10.10.101.1 next-hop-self
neighbor 10.10.101.1 route-map ADV_Lo10 out
exit-address-family
!
route-map ADV_Lo10 permit 10
match ip address 10.10.100.11/32
match source-protocol connected
!
line vty
!
end
ubuntu4-4-VM2# sh ip bg sum
IPv4 Labeled Unicast Summary:
BGP router identifier 10.10.100.11, local AS number 7018 vrf-id 0
BGP table version 0
RIB entries 0, using 0 bytes of memory
Peers 1, using 20 KiB of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.101.1 4 7018 9337 8553 0 0 0 2d23h15m NoNeg
Total number of neighbors 1
ubuntu4-4-VM2#
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 advertised-routes
% No such neighbor or address family
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 received-routes
% No such neighbor or address family
ubuntu4-4-VM2#
Displayed 26 routes and 26 total paths
ubuntu4-4-VM2# sh ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
F - PBR,
> - selected route, * - FIB route
K>* 0.0.0.0/0 [0/0] via 135.21.13.161, ens3, 2d23h58m
B>* 10.10.100.1/32 [200/0] via 10.10.101.1, bond0.11, label 306384, 2d23h58m
B>* 10.10.100.10/32 [200/0] via 10.10.101.1, bond0.11, label 306416, 2d23h58m
C>* 10.10.100.11/32 is directly connected, lo, 2d23h58m
C>* 10.10.101.0/30 is directly connected, bond0.11, 2d23h58m
C>* 10.10.101.32/30 is directly connected, bond0.12, 2d23h58m
B>* 10.10.101.36/30 [200/0] via 10.10.101.1, bond0.11, label 306432, 2d23h58m
B>* 10.10.101.40/30 [200/0] via 10.10.101.1, bond0.11, label 306368, 2d23h58m
B>* 10.10.252.1/32 [200/0] via 10.10.101.1, bond0.11, label 306048, 2d23h58m
B>* 10.10.252.2/32 [200/0] via 10.10.101.1, bond0.11, label 306064, 2d23h58m
Regards, Thiruvazhiyan L
============================================================================================================================
Disclaimer: This message and the information contained herein is proprietary and confidential and subject to the Tech Mahindra policy statement, you may review the policy at http://www.techmahindra.com/Disclaimer.html externally http://tim.techmahindra.com/tim/disclaimer.html internally within TechMahindra.
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-- Renato Westphal ============================================================================================================================ Disclaimer: This message and the information contained herein is proprietary and confidential and subject to the Tech Mahindra policy statement, you may review the policy at http://www.techmahindra.com/Disclaimer.html <http://www.techmahindra.com/Disclaimer.html> externally http://tim.techmahindra.com/tim/disclaimer.html <http://tim.techmahindra.com/tim/disclaimer.html> internally within TechMahindra. ============================================================================================================================
Hi Thiruvazhiyan, Your route-map configuration may be a problem here. I have FRR 5.1, the options available for address match are the following. There is no way you can specify ip address in cidr format (10.10.100.11/32). This is treated as the access-list name. You may wanna use prefix-list or an access list. I used prefix-list. dev(config-route-map)# match ip address (1-199) IP access-list number (1300-2699) IP access-list number (expanded range) WORD IP Access-list name prefix-len Match prefix length of ip address prefix-list Match entries of prefix-lists Best, Kishore -----Original Message----- From: frog <frog-bounces@lists.frrouting.org> On Behalf Of Thiruvazhiyan Lakshmanan Sent: Thursday, July 12, 2018 8:17 AM To: Renato Westphal <renato@opensourcerouting.org>; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B <bilal@research.att.com>; SHAIKH, AMAN <ashaikh@research.att.com>; LINGALA, AVINASH <ar977m@att.com> Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor Thanks Renato for your reply. The NoNeg issue is resolved now. but, the route advertisement to LU neighbor is not happening. I tried to add the mpls label bind entries, still no luck. Is there any sample configuration to advertise the routes to LU peer. Is there a way to check whether the static label binding is installed in the route table before advertising into BGP. Regards, Thiruvazhiyan L -----Original Message----- From: Renato Westphal [mailto:renato@opensourcerouting.org] Sent: Monday, July 9, 2018 2:59 PM To: Thiruvazhiyan Lakshmanan Cc: frog@lists.frrouting.org Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor Hi, The NoNeg issue was fixed by this PR: https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FFRRouting%2Ffrr%2Fpull%2F2494&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=h4qCNdUpSPYWDnL%2BUhO1FH0mP2Ra4TdqOo4zznvp%2BrE%3D&reserved=0 To advertise local BGP-LU routes, I believe you must create static MPLS bindings in zebra first. Example: mpls label global-block 1000 2000 mpls label bind network 10.0.0.0/8 1001 Hope it helps, Renato. On Mon, Jul 9, 2018 at 3:50 PM, Thiruvazhiyan Lakshmanan <TL0041926@techmahindra.com> wrote:
Hi,
I am trying to use FRR in my VM for BGP 3107 functionality. While configuring the BGP neighbor with address family “ipv4 labeled-unicast”, the neighbor state shows NoNeg. But the peer side router shows established. I also noticed the routes are learnt in FRR from peer router and installed in the route table. But, I am trying to advertise my VM loopback to the LU neighbor, which is not happening. Can someone help me on this?
Below is the VM details,
root@ubuntu4-4-VM2:~# uname -r
4.16.18-041618-generic
root@ubuntu4-4-VM2:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
Codename: xenial
root@ubuntu4-4-VM2:~#
FRR version:
Total number of neighbors 1
ubuntu4-4-VM2# show version
FRRouting 5.0 (ubuntu4-4-VM2).
Copyright 1996-2005 Kunihiro Ishiguro, et al.
configured with:
'--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-silent-rules' '--libexecdir=${prefix}/lib/frr' '--disable-maintainer-mode' '--disable-dependency-tracking' '--enable-exampledir=/usr/share/doc/frr/examples/' '--localstatedir=/var/run/frr' '--sbindir=/usr/lib/frr' '--sysconfdir=/etc/frr' '--disable-snmp' '--enable-ospfapi=yes' '--enable-multipath=256' '--enable-ldpd' '--disable-tcp-zebra' '--enable-fpm' '--enable-user=frr' '--enable-group=frr' '--enable-vty-group=frrvty' '--enable-configfile-mask=0640' '--enable-logfile-mask=0640' '--enable-werror' '--with-libpam' '--enable-systemd=yes' '--enable-poll=yes' '--enable-cumulus=no' '--enable-pimd' '--enable-dependency-tracking' '--enable-bgp-vnc=yes' '--disable-rpki' 'CFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'FCFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'FFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'GCJFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'LDFLAGS=-Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now' 'OBJCFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'OBJCXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'build_alias=x86_64-linux-gnu'
ubuntu4-4-VM2#
FRR configuration,
ubuntu4-4-VM2# sh running-config
Building configuration...
Current configuration:
!
frr version 5.0
frr defaults traditional
hostname ubuntu4-4-VM2
log syslog informational
no ip forwarding
no ipv6 forwarding
service integrated-vtysh-config
username cumulus nopassword
!
interface lo
ip address 10.10.100.11/32 label lo:10
!
router bgp 7018
neighbor 10.10.101.1 remote-as 7018
!
address-family ipv4 unicast
network 10.0.0.0/8 label-index 3
no neighbor 10.10.101.1 activate
exit-address-family
!
address-family ipv4 labeled-unicast
neighbor 10.10.101.1 activate
neighbor 10.10.101.1 next-hop-self
neighbor 10.10.101.1 route-map ADV_Lo10 out
exit-address-family
!
route-map ADV_Lo10 permit 10
match ip address 10.10.100.11/32
match source-protocol connected
!
line vty
!
end
ubuntu4-4-VM2# sh ip bg sum
IPv4 Labeled Unicast Summary:
BGP router identifier 10.10.100.11, local AS number 7018 vrf-id 0
BGP table version 0
RIB entries 0, using 0 bytes of memory
Peers 1, using 20 KiB of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.101.1 4 7018 9337 8553 0 0 0 2d23h15m NoNeg
Total number of neighbors 1
ubuntu4-4-VM2#
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 advertised-routes
% No such neighbor or address family
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 received-routes
% No such neighbor or address family
ubuntu4-4-VM2#
Displayed 26 routes and 26 total paths
ubuntu4-4-VM2# sh ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
F - PBR,
> - selected route, * - FIB route
K>* 0.0.0.0/0 [0/0] via 135.21.13.161, ens3, 2d23h58m
B>* 10.10.100.1/32 [200/0] via 10.10.101.1, bond0.11, label 306384, B>2d23h58m
B>* 10.10.100.10/32 [200/0] via 10.10.101.1, bond0.11, label 306416, 2d23h58m
C>* 10.10.100.11/32 is directly connected, lo, 2d23h58m
C>* 10.10.101.0/30 is directly connected, bond0.11, 2d23h58m
C>* 10.10.101.32/30 is directly connected, bond0.12, 2d23h58m
B>* 10.10.101.36/30 [200/0] via 10.10.101.1, bond0.11, label 306432, 2d23h58m
B>* 10.10.101.40/30 [200/0] via 10.10.101.1, bond0.11, label 306368, 2d23h58m
B>* 10.10.252.1/32 [200/0] via 10.10.101.1, bond0.11, label 306048, B>2d23h58m
B>* 10.10.252.2/32 [200/0] via 10.10.101.1, bond0.11, label 306064, B>2d23h58m
Regards, Thiruvazhiyan L
====================================================================== ======================================================
Disclaimer: This message and the information contained herein is proprietary and confidential and subject to the Tech Mahindra policy statement, you may review the policy at https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.te chmahindra.com%2FDisclaimer.html&data=02%7C01%7Ckaramalla%40vmware .com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd 62f0%7C1%7C0%7C636670054970851853&sdata=LrZOKo21Z9Dhlmb5mvITcbmYdV vbj2Gh2LEp3kEmuBE%3D&reserved=0 externally https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Ftim.te chmahindra.com%2Ftim%2Fdisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=s8O8Bd%2FNgevNSFwQo167xQzpQVL2GjqFRhbcvuQ%2FNso%3D&reserved=0 internally within TechMahindra.
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-- Renato Westphal ============================================================================================================================ Disclaimer: This message and the information contained herein is proprietary and confidential and subject to the Tech Mahindra policy statement, you may review the policy at https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.techmahindra.com%2FDisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=LrZOKo21Z9Dhlmb5mvITcbmYdVvbj2Gh2LEp3kEmuBE%3D&reserved=0 <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.techmahindra.com%2FDisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=LrZOKo21Z9Dhlmb5mvITcbmYdVvbj2Gh2LEp3kEmuBE%3D&reserved=0> externally https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Ftim.techmahindra.com%2Ftim%2Fdisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=s8O8Bd%2FNgevNSFwQo167xQzpQVL2GjqFRhbcvuQ%2FNso%3D&reserved=0 <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Ftim.techmahindra.com%2Ftim%2Fdisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=s8O8Bd%2FNgevNSFwQo167xQzpQVL2GjqFRhbcvuQ%2FNso%3D&reserved=0> internally within TechMahindra. ============================================================================================================================ _______________________________________________ frog mailing list frog@lists.frrouting.org https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.frrouting.org%2Flistinfo%2Ffrog&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970861857&sdata=2ZQZMgIMtkg%2Bu4p9qXiYKqk8le%2FIjaKfjOtyzI9P1G0%3D&reserved=0
Thiruvazhiyan, Here is a sample configuration ip route 99.1.1.0/24 14.1.1.2 ! router-id 3.3.3.3 ! router bgp 200 neighbor 2.2.2.2 remote-as 200 neighbor 2.2.2.2 update-source 3.3.3.3 ! address-family ipv4 unicast redistribute static no neighbor 2.2.2.2 activate export vpn >>>>You may be missing this in your configuration exit-address-family ! address-family ipv4 labeled-unicast neighbor 2.2.2.2 activate neighbor 2.2.2.2 next-hop-self neighbor 2.2.2.2 route-map priv_rt out exit-address-family ! ip prefix-list priv_rt seq 10 permit 99.1.1.0/24 ! route-map priv_rt permit 10 match ip address prefix-list priv_rt ! mpls label bind 99.1.1.0/24 3001 mpls label global-block 3001 4000 Best, Kishore -----Original Message----- From: Kishore Aramalla Sent: Thursday, July 12, 2018 10:23 AM To: 'Thiruvazhiyan Lakshmanan' <TL0041926@TechMahindra.com>; Renato Westphal <renato@opensourcerouting.org>; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B <bilal@research.att.com>; SHAIKH, AMAN <ashaikh@research.att.com>; LINGALA, AVINASH <ar977m@att.com> Subject: RE: [FROG] BGP state shows NoNeg for IPv4 LU neighbor Hi Thiruvazhiyan, Your route-map configuration may be a problem here. I have FRR 5.1, the options available for address match are the following. There is no way you can specify ip address in cidr format (10.10.100.11/32). This is treated as the access-list name. You may wanna use prefix-list or an access list. I used prefix-list. dev(config-route-map)# match ip address (1-199) IP access-list number (1300-2699) IP access-list number (expanded range) WORD IP Access-list name prefix-len Match prefix length of ip address prefix-list Match entries of prefix-lists Best, Kishore -----Original Message----- From: frog <frog-bounces@lists.frrouting.org> On Behalf Of Thiruvazhiyan Lakshmanan Sent: Thursday, July 12, 2018 8:17 AM To: Renato Westphal <renato@opensourcerouting.org>; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B <bilal@research.att.com>; SHAIKH, AMAN <ashaikh@research.att.com>; LINGALA, AVINASH <ar977m@att.com> Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor Thanks Renato for your reply. The NoNeg issue is resolved now. but, the route advertisement to LU neighbor is not happening. I tried to add the mpls label bind entries, still no luck. Is there any sample configuration to advertise the routes to LU peer. Is there a way to check whether the static label binding is installed in the route table before advertising into BGP. Regards, Thiruvazhiyan L -----Original Message----- From: Renato Westphal [mailto:renato@opensourcerouting.org] Sent: Monday, July 9, 2018 2:59 PM To: Thiruvazhiyan Lakshmanan Cc: frog@lists.frrouting.org Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor Hi, The NoNeg issue was fixed by this PR: https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FFRRouting%2Ffrr%2Fpull%2F2494&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=h4qCNdUpSPYWDnL%2BUhO1FH0mP2Ra4TdqOo4zznvp%2BrE%3D&reserved=0 To advertise local BGP-LU routes, I believe you must create static MPLS bindings in zebra first. Example: mpls label global-block 1000 2000 mpls label bind network 10.0.0.0/8 1001 Hope it helps, Renato. On Mon, Jul 9, 2018 at 3:50 PM, Thiruvazhiyan Lakshmanan <TL0041926@techmahindra.com> wrote:
Hi,
I am trying to use FRR in my VM for BGP 3107 functionality. While configuring the BGP neighbor with address family “ipv4 labeled-unicast”, the neighbor state shows NoNeg. But the peer side router shows established. I also noticed the routes are learnt in FRR from peer router and installed in the route table. But, I am trying to advertise my VM loopback to the LU neighbor, which is not happening. Can someone help me on this?
Below is the VM details,
root@ubuntu4-4-VM2:~# uname -r
4.16.18-041618-generic
root@ubuntu4-4-VM2:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
Codename: xenial
root@ubuntu4-4-VM2:~#
FRR version:
Total number of neighbors 1
ubuntu4-4-VM2# show version
FRRouting 5.0 (ubuntu4-4-VM2).
Copyright 1996-2005 Kunihiro Ishiguro, et al.
configured with:
'--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-silent-rules' '--libexecdir=${prefix}/lib/frr' '--disable-maintainer-mode' '--disable-dependency-tracking' '--enable-exampledir=/usr/share/doc/frr/examples/' '--localstatedir=/var/run/frr' '--sbindir=/usr/lib/frr' '--sysconfdir=/etc/frr' '--disable-snmp' '--enable-ospfapi=yes' '--enable-multipath=256' '--enable-ldpd' '--disable-tcp-zebra' '--enable-fpm' '--enable-user=frr' '--enable-group=frr' '--enable-vty-group=frrvty' '--enable-configfile-mask=0640' '--enable-logfile-mask=0640' '--enable-werror' '--with-libpam' '--enable-systemd=yes' '--enable-poll=yes' '--enable-cumulus=no' '--enable-pimd' '--enable-dependency-tracking' '--enable-bgp-vnc=yes' '--disable-rpki' 'CFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'FCFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'FFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'GCJFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'LDFLAGS=-Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now' 'OBJCFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'OBJCXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'build_alias=x86_64-linux-gnu'
ubuntu4-4-VM2#
FRR configuration,
ubuntu4-4-VM2# sh running-config
Building configuration...
Current configuration:
!
frr version 5.0
frr defaults traditional
hostname ubuntu4-4-VM2
log syslog informational
no ip forwarding
no ipv6 forwarding
service integrated-vtysh-config
username cumulus nopassword
!
interface lo
ip address 10.10.100.11/32 label lo:10
!
router bgp 7018
neighbor 10.10.101.1 remote-as 7018
!
address-family ipv4 unicast
network 10.0.0.0/8 label-index 3
no neighbor 10.10.101.1 activate
exit-address-family
!
address-family ipv4 labeled-unicast
neighbor 10.10.101.1 activate
neighbor 10.10.101.1 next-hop-self
neighbor 10.10.101.1 route-map ADV_Lo10 out
exit-address-family
!
route-map ADV_Lo10 permit 10
match ip address 10.10.100.11/32
match source-protocol connected
!
line vty
!
end
ubuntu4-4-VM2# sh ip bg sum
IPv4 Labeled Unicast Summary:
BGP router identifier 10.10.100.11, local AS number 7018 vrf-id 0
BGP table version 0
RIB entries 0, using 0 bytes of memory
Peers 1, using 20 KiB of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.101.1 4 7018 9337 8553 0 0 0 2d23h15m NoNeg
Total number of neighbors 1
ubuntu4-4-VM2#
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 advertised-routes
% No such neighbor or address family
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 received-routes
% No such neighbor or address family
ubuntu4-4-VM2#
Displayed 26 routes and 26 total paths
ubuntu4-4-VM2# sh ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
F - PBR,
> - selected route, * - FIB route
K>* 0.0.0.0/0 [0/0] via 135.21.13.161, ens3, 2d23h58m
B>* 10.10.100.1/32 [200/0] via 10.10.101.1, bond0.11, label 306384, B>2d23h58m
B>* 10.10.100.10/32 [200/0] via 10.10.101.1, bond0.11, label 306416, 2d23h58m
C>* 10.10.100.11/32 is directly connected, lo, 2d23h58m
C>* 10.10.101.0/30 is directly connected, bond0.11, 2d23h58m
C>* 10.10.101.32/30 is directly connected, bond0.12, 2d23h58m
B>* 10.10.101.36/30 [200/0] via 10.10.101.1, bond0.11, label 306432, 2d23h58m
B>* 10.10.101.40/30 [200/0] via 10.10.101.1, bond0.11, label 306368, 2d23h58m
B>* 10.10.252.1/32 [200/0] via 10.10.101.1, bond0.11, label 306048, B>2d23h58m
B>* 10.10.252.2/32 [200/0] via 10.10.101.1, bond0.11, label 306064, B>2d23h58m
Regards, Thiruvazhiyan L
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Hi Kishore, I have your suggested configuration, but still no luck, below is my current running configuration, ultimate requirement is to advertise my loopback10 address with label value of 3 (implicit null). I also tried with other label values like 1001, still not advertising. Not sure I am missing anything else. ubuntu4-4-VM2# sh running-config Building configuration... Current configuration: ! frr version 5.1-dev frr defaults traditional hostname ubuntu4-4-VM2 log syslog informational service integrated-vtysh-config username cumulus nopassword ! ip route 10.10.100.11/32 10.10.101.2 ! interface lo ip address 10.10.100.11/32 label lo:10 ! router bgp 7018 neighbor 10.10.101.1 remote-as 7018 ! address-family ipv4 unicast redistribute static no neighbor 10.10.101.1 activate export vpn exit-address-family ! address-family ipv4 labeled-unicast neighbor 10.10.101.1 activate neighbor 10.10.101.1 next-hop-self neighbor 10.10.101.1 route-map ADV_Lo10 out exit-address-family ! ip prefix-list Loopback10 seq 10 permit 10.10.100.11/32 ! route-map ADV_Lo10 permit 10 match ip address prefix-list Loopback10 ! mpls label bind 10.10.100.11/32 implicit-null mpls label global-block 16 1048575 ! line vty ! end ubuntu4-4-VM2# Regards, Thiruvazhiyan L -----Original Message----- From: Kishore Aramalla [mailto:karamalla@vmware.com] Sent: Thursday, July 12, 2018 1:41 PM To: Thiruvazhiyan Lakshmanan; Renato Westphal; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B; SHAIKH, AMAN; LINGALA, AVINASH Subject: RE: [FROG] BGP state shows NoNeg for IPv4 LU neighbor Thiruvazhiyan, Here is a sample configuration ip route 99.1.1.0/24 14.1.1.2 ! router-id 3.3.3.3 ! router bgp 200 neighbor 2.2.2.2 remote-as 200 neighbor 2.2.2.2 update-source 3.3.3.3 ! address-family ipv4 unicast redistribute static no neighbor 2.2.2.2 activate export vpn >>>>You may be missing this in your configuration exit-address-family ! address-family ipv4 labeled-unicast neighbor 2.2.2.2 activate neighbor 2.2.2.2 next-hop-self neighbor 2.2.2.2 route-map priv_rt out exit-address-family ! ip prefix-list priv_rt seq 10 permit 99.1.1.0/24 ! route-map priv_rt permit 10 match ip address prefix-list priv_rt ! mpls label bind 99.1.1.0/24 3001 mpls label global-block 3001 4000 Best, Kishore -----Original Message----- From: Kishore Aramalla Sent: Thursday, July 12, 2018 10:23 AM To: 'Thiruvazhiyan Lakshmanan' <TL0041926@TechMahindra.com>; Renato Westphal <renato@opensourcerouting.org>; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B <bilal@research.att.com>; SHAIKH, AMAN <ashaikh@research.att.com>; LINGALA, AVINASH <ar977m@att.com> Subject: RE: [FROG] BGP state shows NoNeg for IPv4 LU neighbor Hi Thiruvazhiyan, Your route-map configuration may be a problem here. I have FRR 5.1, the options available for address match are the following. There is no way you can specify ip address in cidr format (10.10.100.11/32). This is treated as the access-list name. You may wanna use prefix-list or an access list. I used prefix-list. dev(config-route-map)# match ip address (1-199) IP access-list number (1300-2699) IP access-list number (expanded range) WORD IP Access-list name prefix-len Match prefix length of ip address prefix-list Match entries of prefix-lists Best, Kishore -----Original Message----- From: frog <frog-bounces@lists.frrouting.org> On Behalf Of Thiruvazhiyan Lakshmanan Sent: Thursday, July 12, 2018 8:17 AM To: Renato Westphal <renato@opensourcerouting.org>; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B <bilal@research.att.com>; SHAIKH, AMAN <ashaikh@research.att.com>; LINGALA, AVINASH <ar977m@att.com> Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor Thanks Renato for your reply. The NoNeg issue is resolved now. but, the route advertisement to LU neighbor is not happening. I tried to add the mpls label bind entries, still no luck. Is there any sample configuration to advertise the routes to LU peer. Is there a way to check whether the static label binding is installed in the route table before advertising into BGP. Regards, Thiruvazhiyan L -----Original Message----- From: Renato Westphal [mailto:renato@opensourcerouting.org] Sent: Monday, July 9, 2018 2:59 PM To: Thiruvazhiyan Lakshmanan Cc: frog@lists.frrouting.org Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor Hi, The NoNeg issue was fixed by this PR: https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FFRRouting%2Ffrr%2Fpull%2F2494&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=h4qCNdUpSPYWDnL%2BUhO1FH0mP2Ra4TdqOo4zznvp%2BrE%3D&reserved=0 To advertise local BGP-LU routes, I believe you must create static MPLS bindings in zebra first. Example: mpls label global-block 1000 2000 mpls label bind network 10.0.0.0/8 1001 Hope it helps, Renato. On Mon, Jul 9, 2018 at 3:50 PM, Thiruvazhiyan Lakshmanan <TL0041926@techmahindra.com> wrote:
Hi,
I am trying to use FRR in my VM for BGP 3107 functionality. While configuring the BGP neighbor with address family “ipv4 labeled-unicast”, the neighbor state shows NoNeg. But the peer side router shows established. I also noticed the routes are learnt in FRR from peer router and installed in the route table. But, I am trying to advertise my VM loopback to the LU neighbor, which is not happening. Can someone help me on this?
Below is the VM details,
root@ubuntu4-4-VM2:~# uname -r
4.16.18-041618-generic
root@ubuntu4-4-VM2:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
Codename: xenial
root@ubuntu4-4-VM2:~#
FRR version:
Total number of neighbors 1
ubuntu4-4-VM2# show version
FRRouting 5.0 (ubuntu4-4-VM2).
Copyright 1996-2005 Kunihiro Ishiguro, et al.
configured with:
'--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-silent-rules' '--libexecdir=${prefix}/lib/frr' '--disable-maintainer-mode' '--disable-dependency-tracking' '--enable-exampledir=/usr/share/doc/frr/examples/' '--localstatedir=/var/run/frr' '--sbindir=/usr/lib/frr' '--sysconfdir=/etc/frr' '--disable-snmp' '--enable-ospfapi=yes' '--enable-multipath=256' '--enable-ldpd' '--disable-tcp-zebra' '--enable-fpm' '--enable-user=frr' '--enable-group=frr' '--enable-vty-group=frrvty' '--enable-configfile-mask=0640' '--enable-logfile-mask=0640' '--enable-werror' '--with-libpam' '--enable-systemd=yes' '--enable-poll=yes' '--enable-cumulus=no' '--enable-pimd' '--enable-dependency-tracking' '--enable-bgp-vnc=yes' '--disable-rpki' 'CFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'FCFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'FFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'GCJFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'LDFLAGS=-Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now' 'OBJCFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'OBJCXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'build_alias=x86_64-linux-gnu'
ubuntu4-4-VM2#
FRR configuration,
ubuntu4-4-VM2# sh running-config
Building configuration...
Current configuration:
!
frr version 5.0
frr defaults traditional
hostname ubuntu4-4-VM2
log syslog informational
no ip forwarding
no ipv6 forwarding
service integrated-vtysh-config
username cumulus nopassword
!
interface lo
ip address 10.10.100.11/32 label lo:10
!
router bgp 7018
neighbor 10.10.101.1 remote-as 7018
!
address-family ipv4 unicast
network 10.0.0.0/8 label-index 3
no neighbor 10.10.101.1 activate
exit-address-family
!
address-family ipv4 labeled-unicast
neighbor 10.10.101.1 activate
neighbor 10.10.101.1 next-hop-self
neighbor 10.10.101.1 route-map ADV_Lo10 out
exit-address-family
!
route-map ADV_Lo10 permit 10
match ip address 10.10.100.11/32
match source-protocol connected
!
line vty
!
end
ubuntu4-4-VM2# sh ip bg sum
IPv4 Labeled Unicast Summary:
BGP router identifier 10.10.100.11, local AS number 7018 vrf-id 0
BGP table version 0
RIB entries 0, using 0 bytes of memory
Peers 1, using 20 KiB of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.101.1 4 7018 9337 8553 0 0 0 2d23h15m NoNeg
Total number of neighbors 1
ubuntu4-4-VM2#
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 advertised-routes
% No such neighbor or address family
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 received-routes
% No such neighbor or address family
ubuntu4-4-VM2#
Displayed 26 routes and 26 total paths
ubuntu4-4-VM2# sh ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
F - PBR,
> - selected route, * - FIB route
K>* 0.0.0.0/0 [0/0] via 135.21.13.161, ens3, 2d23h58m
B>* 10.10.100.1/32 [200/0] via 10.10.101.1, bond0.11, label 306384, B>2d23h58m
B>* 10.10.100.10/32 [200/0] via 10.10.101.1, bond0.11, label 306416, 2d23h58m
C>* 10.10.100.11/32 is directly connected, lo, 2d23h58m
C>* 10.10.101.0/30 is directly connected, bond0.11, 2d23h58m
C>* 10.10.101.32/30 is directly connected, bond0.12, 2d23h58m
B>* 10.10.101.36/30 [200/0] via 10.10.101.1, bond0.11, label 306432, 2d23h58m
B>* 10.10.101.40/30 [200/0] via 10.10.101.1, bond0.11, label 306368, 2d23h58m
B>* 10.10.252.1/32 [200/0] via 10.10.101.1, bond0.11, label 306048, B>2d23h58m
B>* 10.10.252.2/32 [200/0] via 10.10.101.1, bond0.11, label 306064, B>2d23h58m
Regards, Thiruvazhiyan L
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-- Renato Westphal ============================================================================================================================ Disclaimer: This message and the information contained herein is proprietary and confidential and subject to the Tech Mahindra policy statement, you may review the policy at https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.techmahindra.com%2FDisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=LrZOKo21Z9Dhlmb5mvITcbmYdVvbj2Gh2LEp3kEmuBE%3D&reserved=0 <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.techmahindra.com%2FDisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=LrZOKo21Z9Dhlmb5mvITcbmYdVvbj2Gh2LEp3kEmuBE%3D&reserved=0> externally https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Ftim.techmahindra.com%2Ftim%2Fdisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=s8O8Bd%2FNgevNSFwQo167xQzpQVL2GjqFRhbcvuQ%2FNso%3D&reserved=0 <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Ftim.techmahindra.com%2Ftim%2Fdisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=s8O8Bd%2FNgevNSFwQo167xQzpQVL2GjqFRhbcvuQ%2FNso%3D&reserved=0> internally within TechMahindra. ============================================================================================================================ _______________________________________________ frog mailing list frog@lists.frrouting.org https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.frrouting.org%2Flistinfo%2Ffrog&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970861857&sdata=2ZQZMgIMtkg%2Bu4p9qXiYKqk8le%2FIjaKfjOtyzI9P1G0%3D&reserved=0
@Kishore Good catch on the route-map issue, but the "export vpn" command is not required for BGP-LU, only for L3VPNs. @Thiruvazhiyan I believe you need "redistribute connected" instead of "redistribute static" inside the BGP IPv4 address-family section. Here's my BGP-LU test topology: https://gist.github.com/rwestphal/9707df2ff6c2073c8b46a23e7d603859 The BGP-LU feature was implemented before the label manager was available in zebra, so unfortunately the static MPLS label bindings are required for now. []s On Thu, Jul 12, 2018 at 3:08 PM, Thiruvazhiyan Lakshmanan <TL0041926@techmahindra.com> wrote:
Hi Kishore, I have your suggested configuration, but still no luck, below is my current running configuration, ultimate requirement is to advertise my loopback10 address with label value of 3 (implicit null). I also tried with other label values like 1001, still not advertising. Not sure I am missing anything else.
ubuntu4-4-VM2# sh running-config Building configuration...
Current configuration: ! frr version 5.1-dev frr defaults traditional hostname ubuntu4-4-VM2 log syslog informational service integrated-vtysh-config username cumulus nopassword ! ip route 10.10.100.11/32 10.10.101.2 ! interface lo ip address 10.10.100.11/32 label lo:10 ! router bgp 7018 neighbor 10.10.101.1 remote-as 7018 ! address-family ipv4 unicast redistribute static no neighbor 10.10.101.1 activate export vpn exit-address-family ! address-family ipv4 labeled-unicast neighbor 10.10.101.1 activate neighbor 10.10.101.1 next-hop-self neighbor 10.10.101.1 route-map ADV_Lo10 out exit-address-family ! ip prefix-list Loopback10 seq 10 permit 10.10.100.11/32 ! route-map ADV_Lo10 permit 10 match ip address prefix-list Loopback10 ! mpls label bind 10.10.100.11/32 implicit-null mpls label global-block 16 1048575 ! line vty ! end ubuntu4-4-VM2#
Regards, Thiruvazhiyan L
-----Original Message----- From: Kishore Aramalla [mailto:karamalla@vmware.com] Sent: Thursday, July 12, 2018 1:41 PM To: Thiruvazhiyan Lakshmanan; Renato Westphal; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B; SHAIKH, AMAN; LINGALA, AVINASH Subject: RE: [FROG] BGP state shows NoNeg for IPv4 LU neighbor
Thiruvazhiyan, Here is a sample configuration
ip route 99.1.1.0/24 14.1.1.2 ! router-id 3.3.3.3 ! router bgp 200 neighbor 2.2.2.2 remote-as 200 neighbor 2.2.2.2 update-source 3.3.3.3 ! address-family ipv4 unicast redistribute static no neighbor 2.2.2.2 activate export vpn >>>>You may be missing this in your configuration exit-address-family ! address-family ipv4 labeled-unicast neighbor 2.2.2.2 activate neighbor 2.2.2.2 next-hop-self neighbor 2.2.2.2 route-map priv_rt out exit-address-family ! ip prefix-list priv_rt seq 10 permit 99.1.1.0/24 ! route-map priv_rt permit 10 match ip address prefix-list priv_rt ! mpls label bind 99.1.1.0/24 3001 mpls label global-block 3001 4000
Best, Kishore -----Original Message----- From: Kishore Aramalla Sent: Thursday, July 12, 2018 10:23 AM To: 'Thiruvazhiyan Lakshmanan' <TL0041926@TechMahindra.com>; Renato Westphal <renato@opensourcerouting.org>; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B <bilal@research.att.com>; SHAIKH, AMAN <ashaikh@research.att.com>; LINGALA, AVINASH <ar977m@att.com> Subject: RE: [FROG] BGP state shows NoNeg for IPv4 LU neighbor
Hi Thiruvazhiyan,
Your route-map configuration may be a problem here. I have FRR 5.1, the options available for address match are the following. There is no way you can specify ip address in cidr format (10.10.100.11/32). This is treated as the access-list name. You may wanna use prefix-list or an access list. I used prefix-list.
dev(config-route-map)# match ip address (1-199) IP access-list number (1300-2699) IP access-list number (expanded range) WORD IP Access-list name prefix-len Match prefix length of ip address prefix-list Match entries of prefix-lists
Best, Kishore
-----Original Message----- From: frog <frog-bounces@lists.frrouting.org> On Behalf Of Thiruvazhiyan Lakshmanan Sent: Thursday, July 12, 2018 8:17 AM To: Renato Westphal <renato@opensourcerouting.org>; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B <bilal@research.att.com>; SHAIKH, AMAN <ashaikh@research.att.com>; LINGALA, AVINASH <ar977m@att.com> Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor
Thanks Renato for your reply. The NoNeg issue is resolved now. but, the route advertisement to LU neighbor is not happening. I tried to add the mpls label bind entries, still no luck.
Is there any sample configuration to advertise the routes to LU peer. Is there a way to check whether the static label binding is installed in the route table before advertising into BGP.
Regards, Thiruvazhiyan L
-----Original Message----- From: Renato Westphal [mailto:renato@opensourcerouting.org] Sent: Monday, July 9, 2018 2:59 PM To: Thiruvazhiyan Lakshmanan Cc: frog@lists.frrouting.org Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor
Hi,
The NoNeg issue was fixed by this PR: https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FFRRouting%2Ffrr%2Fpull%2F2494&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=h4qCNdUpSPYWDnL%2BUhO1FH0mP2Ra4TdqOo4zznvp%2BrE%3D&reserved=0
To advertise local BGP-LU routes, I believe you must create static MPLS bindings in zebra first. Example:
mpls label global-block 1000 2000 mpls label bind network 10.0.0.0/8 1001
Hope it helps, Renato.
On Mon, Jul 9, 2018 at 3:50 PM, Thiruvazhiyan Lakshmanan <TL0041926@techmahindra.com> wrote:
Hi,
I am trying to use FRR in my VM for BGP 3107 functionality. While configuring the BGP neighbor with address family “ipv4 labeled-unicast”, the neighbor state shows NoNeg. But the peer side router shows established. I also noticed the routes are learnt in FRR from peer router and installed in the route table. But, I am trying to advertise my VM loopback to the LU neighbor, which is not happening. Can someone help me on this?
Below is the VM details,
root@ubuntu4-4-VM2:~# uname -r
4.16.18-041618-generic
root@ubuntu4-4-VM2:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
Codename: xenial
root@ubuntu4-4-VM2:~#
FRR version:
Total number of neighbors 1
ubuntu4-4-VM2# show version
FRRouting 5.0 (ubuntu4-4-VM2).
Copyright 1996-2005 Kunihiro Ishiguro, et al.
configured with:
'--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-silent-rules' '--libexecdir=${prefix}/lib/frr' '--disable-maintainer-mode' '--disable-dependency-tracking' '--enable-exampledir=/usr/share/doc/frr/examples/' '--localstatedir=/var/run/frr' '--sbindir=/usr/lib/frr' '--sysconfdir=/etc/frr' '--disable-snmp' '--enable-ospfapi=yes' '--enable-multipath=256' '--enable-ldpd' '--disable-tcp-zebra' '--enable-fpm' '--enable-user=frr' '--enable-group=frr' '--enable-vty-group=frrvty' '--enable-configfile-mask=0640' '--enable-logfile-mask=0640' '--enable-werror' '--with-libpam' '--enable-systemd=yes' '--enable-poll=yes' '--enable-cumulus=no' '--enable-pimd' '--enable-dependency-tracking' '--enable-bgp-vnc=yes' '--disable-rpki' 'CFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'FCFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'FFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'GCJFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'LDFLAGS=-Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now' 'OBJCFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'OBJCXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'build_alias=x86_64-linux-gnu'
ubuntu4-4-VM2#
FRR configuration,
ubuntu4-4-VM2# sh running-config
Building configuration...
Current configuration:
!
frr version 5.0
frr defaults traditional
hostname ubuntu4-4-VM2
log syslog informational
no ip forwarding
no ipv6 forwarding
service integrated-vtysh-config
username cumulus nopassword
!
interface lo
ip address 10.10.100.11/32 label lo:10
!
router bgp 7018
neighbor 10.10.101.1 remote-as 7018
!
address-family ipv4 unicast
network 10.0.0.0/8 label-index 3
no neighbor 10.10.101.1 activate
exit-address-family
!
address-family ipv4 labeled-unicast
neighbor 10.10.101.1 activate
neighbor 10.10.101.1 next-hop-self
neighbor 10.10.101.1 route-map ADV_Lo10 out
exit-address-family
!
route-map ADV_Lo10 permit 10
match ip address 10.10.100.11/32
match source-protocol connected
!
line vty
!
end
ubuntu4-4-VM2# sh ip bg sum
IPv4 Labeled Unicast Summary:
BGP router identifier 10.10.100.11, local AS number 7018 vrf-id 0
BGP table version 0
RIB entries 0, using 0 bytes of memory
Peers 1, using 20 KiB of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.101.1 4 7018 9337 8553 0 0 0 2d23h15m NoNeg
Total number of neighbors 1
ubuntu4-4-VM2#
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 advertised-routes
% No such neighbor or address family
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 received-routes
% No such neighbor or address family
ubuntu4-4-VM2#
Displayed 26 routes and 26 total paths
ubuntu4-4-VM2# sh ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
F - PBR,
> - selected route, * - FIB route
K>* 0.0.0.0/0 [0/0] via 135.21.13.161, ens3, 2d23h58m
B>* 10.10.100.1/32 [200/0] via 10.10.101.1, bond0.11, label 306384, B>2d23h58m
B>* 10.10.100.10/32 [200/0] via 10.10.101.1, bond0.11, label 306416, 2d23h58m
C>* 10.10.100.11/32 is directly connected, lo, 2d23h58m
C>* 10.10.101.0/30 is directly connected, bond0.11, 2d23h58m
C>* 10.10.101.32/30 is directly connected, bond0.12, 2d23h58m
B>* 10.10.101.36/30 [200/0] via 10.10.101.1, bond0.11, label 306432, 2d23h58m
B>* 10.10.101.40/30 [200/0] via 10.10.101.1, bond0.11, label 306368, 2d23h58m
B>* 10.10.252.1/32 [200/0] via 10.10.101.1, bond0.11, label 306048, B>2d23h58m
B>* 10.10.252.2/32 [200/0] via 10.10.101.1, bond0.11, label 306064, B>2d23h58m
Regards, Thiruvazhiyan L
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_______________________________________________ frog mailing list frog@lists.frrouting.org https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists .frrouting.org%2Flistinfo%2Ffrog&data=02%7C01%7Ckaramalla%40vmware .com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd 62f0%7C1%7C0%7C636670054970851853&sdata=CZ%2BglaorkVRdVMfsHOfSt7hU SKAAR%2FtE%2FmX41zq8OOQ%3D&reserved=0
-- Renato Westphal ============================================================================================================================
Disclaimer: This message and the information contained herein is proprietary and confidential and subject to the Tech Mahindra policy statement, you may review the policy at https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.techmahindra.com%2FDisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=LrZOKo21Z9Dhlmb5mvITcbmYdVvbj2Gh2LEp3kEmuBE%3D&reserved=0 <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.techmahindra.com%2FDisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=LrZOKo21Z9Dhlmb5mvITcbmYdVvbj2Gh2LEp3kEmuBE%3D&reserved=0> externally https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Ftim.techmahindra.com%2Ftim%2Fdisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=s8O8Bd%2FNgevNSFwQo167xQzpQVL2GjqFRhbcvuQ%2FNso%3D&reserved=0 <https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Ftim.techmahindra.com%2Ftim%2Fdisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=s8O8Bd%2FNgevNSFwQo167xQzpQVL2GjqFRhbcvuQ%2FNso%3D&reserved=0> internally within TechMahindra.
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-- Renato Westphal
Thanks Renato, As you said "export vpn" is not required. -----Original Message----- From: Renato Westphal <renato@opensourcerouting.org> Sent: Thursday, July 12, 2018 11:25 AM To: Thiruvazhiyan Lakshmanan <TL0041926@techmahindra.com> Cc: Kishore Aramalla <karamalla@vmware.com>; frog@lists.frrouting.org; ANWER, MUHAMMAD B <bilal@research.att.com>; SHAIKH, AMAN <ashaikh@research.att.com>; LINGALA, AVINASH <ar977m@att.com> Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor @Kishore Good catch on the route-map issue, but the "export vpn" command is not required for BGP-LU, only for L3VPNs. @Thiruvazhiyan I believe you need "redistribute connected" instead of "redistribute static" inside the BGP IPv4 address-family section. Here's my BGP-LU test topology: https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgist.github.com%2Frwestphal%2F9707df2ff6c2073c8b46a23e7d603859&data=02%7C01%7Ckaramalla%40vmware.com%7C118285752da84e6f461b08d5e824c3c9%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670166961512513&sdata=caXs6LITRJsnyETZ%2BIkWuK2pce5MlF8CGhxDXxghPdQ%3D&reserved=0 The BGP-LU feature was implemented before the label manager was available in zebra, so unfortunately the static MPLS label bindings are required for now. []s On Thu, Jul 12, 2018 at 3:08 PM, Thiruvazhiyan Lakshmanan <TL0041926@techmahindra.com> wrote:
Hi Kishore, I have your suggested configuration, but still no luck, below is my current running configuration, ultimate requirement is to advertise my loopback10 address with label value of 3 (implicit null). I also tried with other label values like 1001, still not advertising. Not sure I am missing anything else.
ubuntu4-4-VM2# sh running-config Building configuration...
Current configuration: ! frr version 5.1-dev frr defaults traditional hostname ubuntu4-4-VM2 log syslog informational service integrated-vtysh-config username cumulus nopassword ! ip route 10.10.100.11/32 10.10.101.2 ! interface lo ip address 10.10.100.11/32 label lo:10 ! router bgp 7018 neighbor 10.10.101.1 remote-as 7018 ! address-family ipv4 unicast redistribute static no neighbor 10.10.101.1 activate export vpn exit-address-family ! address-family ipv4 labeled-unicast neighbor 10.10.101.1 activate neighbor 10.10.101.1 next-hop-self neighbor 10.10.101.1 route-map ADV_Lo10 out exit-address-family ! ip prefix-list Loopback10 seq 10 permit 10.10.100.11/32 ! route-map ADV_Lo10 permit 10 match ip address prefix-list Loopback10 ! mpls label bind 10.10.100.11/32 implicit-null mpls label global-block 16 1048575 ! line vty ! end ubuntu4-4-VM2#
Regards, Thiruvazhiyan L
-----Original Message----- From: Kishore Aramalla [mailto:karamalla@vmware.com] Sent: Thursday, July 12, 2018 1:41 PM To: Thiruvazhiyan Lakshmanan; Renato Westphal; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B; SHAIKH, AMAN; LINGALA, AVINASH Subject: RE: [FROG] BGP state shows NoNeg for IPv4 LU neighbor
Thiruvazhiyan, Here is a sample configuration
ip route 99.1.1.0/24 14.1.1.2 ! router-id 3.3.3.3 ! router bgp 200 neighbor 2.2.2.2 remote-as 200 neighbor 2.2.2.2 update-source 3.3.3.3 ! address-family ipv4 unicast redistribute static no neighbor 2.2.2.2 activate export vpn >>>>You may be missing this in your configuration exit-address-family ! address-family ipv4 labeled-unicast neighbor 2.2.2.2 activate neighbor 2.2.2.2 next-hop-self neighbor 2.2.2.2 route-map priv_rt out exit-address-family ! ip prefix-list priv_rt seq 10 permit 99.1.1.0/24 ! route-map priv_rt permit 10 match ip address prefix-list priv_rt ! mpls label bind 99.1.1.0/24 3001 mpls label global-block 3001 4000
Best, Kishore -----Original Message----- From: Kishore Aramalla Sent: Thursday, July 12, 2018 10:23 AM To: 'Thiruvazhiyan Lakshmanan' <TL0041926@TechMahindra.com>; Renato Westphal <renato@opensourcerouting.org>; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B <bilal@research.att.com>; SHAIKH, AMAN <ashaikh@research.att.com>; LINGALA, AVINASH <ar977m@att.com> Subject: RE: [FROG] BGP state shows NoNeg for IPv4 LU neighbor
Hi Thiruvazhiyan,
Your route-map configuration may be a problem here. I have FRR 5.1, the options available for address match are the following. There is no way you can specify ip address in cidr format (10.10.100.11/32). This is treated as the access-list name. You may wanna use prefix-list or an access list. I used prefix-list.
dev(config-route-map)# match ip address (1-199) IP access-list number (1300-2699) IP access-list number (expanded range) WORD IP Access-list name prefix-len Match prefix length of ip address prefix-list Match entries of prefix-lists
Best, Kishore
-----Original Message----- From: frog <frog-bounces@lists.frrouting.org> On Behalf Of Thiruvazhiyan Lakshmanan Sent: Thursday, July 12, 2018 8:17 AM To: Renato Westphal <renato@opensourcerouting.org>; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B <bilal@research.att.com>; SHAIKH, AMAN <ashaikh@research.att.com>; LINGALA, AVINASH <ar977m@att.com> Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor
Thanks Renato for your reply. The NoNeg issue is resolved now. but, the route advertisement to LU neighbor is not happening. I tried to add the mpls label bind entries, still no luck.
Is there any sample configuration to advertise the routes to LU peer. Is there a way to check whether the static label binding is installed in the route table before advertising into BGP.
Regards, Thiruvazhiyan L
-----Original Message----- From: Renato Westphal [mailto:renato@opensourcerouting.org] Sent: Monday, July 9, 2018 2:59 PM To: Thiruvazhiyan Lakshmanan Cc: frog@lists.frrouting.org Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor
Hi,
The NoNeg issue was fixed by this PR: https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FFRRouting%2Ffrr%2Fpull%2F2494&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=h4qCNdUpSPYWDnL%2BUhO1FH0mP2Ra4TdqOo4zznvp%2BrE%3D&reserved=0
To advertise local BGP-LU routes, I believe you must create static MPLS bindings in zebra first. Example:
mpls label global-block 1000 2000 mpls label bind network 10.0.0.0/8 1001
Hope it helps, Renato.
On Mon, Jul 9, 2018 at 3:50 PM, Thiruvazhiyan Lakshmanan <TL0041926@techmahindra.com> wrote:
Hi,
I am trying to use FRR in my VM for BGP 3107 functionality. While configuring the BGP neighbor with address family “ipv4 labeled-unicast”, the neighbor state shows NoNeg. But the peer side router shows established. I also noticed the routes are learnt in FRR from peer router and installed in the route table. But, I am trying to advertise my VM loopback to the LU neighbor, which is not happening. Can someone help me on this?
Below is the VM details,
root@ubuntu4-4-VM2:~# uname -r
4.16.18-041618-generic
root@ubuntu4-4-VM2:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
Codename: xenial
root@ubuntu4-4-VM2:~#
FRR version:
Total number of neighbors 1
ubuntu4-4-VM2# show version
FRRouting 5.0 (ubuntu4-4-VM2).
Copyright 1996-2005 Kunihiro Ishiguro, et al.
configured with:
'--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-silent-rules' '--libexecdir=${prefix}/lib/frr' '--disable-maintainer-mode' '--disable-dependency-tracking' '--enable-exampledir=/usr/share/doc/frr/examples/' '--localstatedir=/var/run/frr' '--sbindir=/usr/lib/frr' '--sysconfdir=/etc/frr' '--disable-snmp' '--enable-ospfapi=yes' '--enable-multipath=256' '--enable-ldpd' '--disable-tcp-zebra' '--enable-fpm' '--enable-user=frr' '--enable-group=frr' '--enable-vty-group=frrvty' '--enable-configfile-mask=0640' '--enable-logfile-mask=0640' '--enable-werror' '--with-libpam' '--enable-systemd=yes' '--enable-poll=yes' '--enable-cumulus=no' '--enable-pimd' '--enable-dependency-tracking' '--enable-bgp-vnc=yes' '--disable-rpki' 'CFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'FCFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'FFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'GCJFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'LDFLAGS=-Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now' 'OBJCFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'OBJCXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'build_alias=x86_64-linux-gnu'
ubuntu4-4-VM2#
FRR configuration,
ubuntu4-4-VM2# sh running-config
Building configuration...
Current configuration:
!
frr version 5.0
frr defaults traditional
hostname ubuntu4-4-VM2
log syslog informational
no ip forwarding
no ipv6 forwarding
service integrated-vtysh-config
username cumulus nopassword
!
interface lo
ip address 10.10.100.11/32 label lo:10
!
router bgp 7018
neighbor 10.10.101.1 remote-as 7018
!
address-family ipv4 unicast
network 10.0.0.0/8 label-index 3
no neighbor 10.10.101.1 activate
exit-address-family
!
address-family ipv4 labeled-unicast
neighbor 10.10.101.1 activate
neighbor 10.10.101.1 next-hop-self
neighbor 10.10.101.1 route-map ADV_Lo10 out
exit-address-family
!
route-map ADV_Lo10 permit 10
match ip address 10.10.100.11/32
match source-protocol connected
!
line vty
!
end
ubuntu4-4-VM2# sh ip bg sum
IPv4 Labeled Unicast Summary:
BGP router identifier 10.10.100.11, local AS number 7018 vrf-id 0
BGP table version 0
RIB entries 0, using 0 bytes of memory
Peers 1, using 20 KiB of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.101.1 4 7018 9337 8553 0 0 0 2d23h15m NoNeg
Total number of neighbors 1
ubuntu4-4-VM2#
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 advertised-routes
% No such neighbor or address family
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 received-routes
% No such neighbor or address family
ubuntu4-4-VM2#
Displayed 26 routes and 26 total paths
ubuntu4-4-VM2# sh ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
F - PBR,
> - selected route, * - FIB route
K>* 0.0.0.0/0 [0/0] via 135.21.13.161, ens3, 2d23h58m
B>* 10.10.100.1/32 [200/0] via 10.10.101.1, bond0.11, label 306384, B>2d23h58m
B>* 10.10.100.10/32 [200/0] via 10.10.101.1, bond0.11, label 306416, 2d23h58m
C>* 10.10.100.11/32 is directly connected, lo, 2d23h58m
C>* 10.10.101.0/30 is directly connected, bond0.11, 2d23h58m
C>* 10.10.101.32/30 is directly connected, bond0.12, 2d23h58m
B>* 10.10.101.36/30 [200/0] via 10.10.101.1, bond0.11, label 306432, 2d23h58m
B>* 10.10.101.40/30 [200/0] via 10.10.101.1, bond0.11, label 306368, 2d23h58m
B>* 10.10.252.1/32 [200/0] via 10.10.101.1, bond0.11, label 306048, B>2d23h58m
B>* 10.10.252.2/32 [200/0] via 10.10.101.1, bond0.11, label 306064, B>2d23h58m
Regards, Thiruvazhiyan L
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-- Renato Westphal ============================================================================================================================
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-- Renato Westphal
Hi Renato, Thanks for the configuration, it looks good for ipv4 label unicast. We are able to advertise the ipv4 loopback address with implicit null (label 3). Similarly we are looking for ipv6 label unicast, advertising ipv6 loopback address with explicit null (label 2), but with the next-hop of ipv4 address. This is for 6PE functionality. Are you supporting this currently? When we tried with the following configuration, looks like it is using link local IPV6 address as the next-hop the ipv6 routes. But we want to use ipv4 loopback address as the next-hop for the ipv6 routes. Below is our running configuration, ubuntu4-4-VM1# sh running-config Building configuration... Current configuration: ! frr version 5.1-dev frr defaults traditional hostname ubuntu4-4-VM1 log syslog informational ! interface bond0.21 shutdown ! interface lo ip address 10.10.100.1/32 label lo:1 ip address 10.10.100.10/32 label lo:10 ipv6 address 2001:1890::10:10:100:10/128 ! router bgp 65516 neighbor 10.10.101.37 remote-as 7018 neighbor 10.10.101.41 remote-as 7018 ! address-family ipv4 unicast redistribute connected no neighbor 10.10.101.37 activate neighbor 10.10.101.41 next-hop-self neighbor 10.10.101.41 soft-reconfiguration inbound exit-address-family ! address-family ipv4 labeled-unicast neighbor 10.10.101.37 activate neighbor 10.10.101.37 next-hop-self neighbor 10.10.101.37 soft-reconfiguration inbound neighbor 10.10.101.37 route-map ADV_Lo10 out exit-address-family ! address-family ipv6 unicast redistribute connected exit-address-family ! address-family ipv6 labeled-unicast neighbor 10.10.101.41 activate neighbor 10.10.101.41 next-hop-self neighbor 10.10.101.41 route-map ADV6_Lo10 out exit-address-family ! ip prefix-list Lo_10 seq 10 permit 10.10.100.10/32 ! ipv6 prefix-list Lov6_10 seq 10 permit 2001:1890::10:10:100:10/128 ! route-map ADV6_Lo10 permit 10 match ipv6 address prefix-list Lov6_10 ! route-map ADV_Lo10 permit 10 match ip address prefix-list Lo_10 ! mpls label bind 10.10.100.10/32 implicit-null mpls label bind 2001:1890::10:10:100:10/128 IPv6 Explict Null mpls label global-block 16 5000 ! line vty ! end ubuntu4-4-VM1# Regards, Thiruvazhiyan L -----Original Message----- From: Renato Westphal [mailto:renato@opensourcerouting.org] Sent: Thursday, July 12, 2018 2:25 PM To: Thiruvazhiyan Lakshmanan Cc: Kishore Aramalla; frog@lists.frrouting.org; ANWER, MUHAMMAD B; SHAIKH, AMAN; LINGALA, AVINASH Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor @Kishore Good catch on the route-map issue, but the "export vpn" command is not required for BGP-LU, only for L3VPNs. @Thiruvazhiyan I believe you need "redistribute connected" instead of "redistribute static" inside the BGP IPv4 address-family section. Here's my BGP-LU test topology: https://gist.github.com/rwestphal/9707df2ff6c2073c8b46a23e7d603859 The BGP-LU feature was implemented before the label manager was available in zebra, so unfortunately the static MPLS label bindings are required for now. []s On Thu, Jul 12, 2018 at 3:08 PM, Thiruvazhiyan Lakshmanan <TL0041926@techmahindra.com> wrote:
Hi Kishore, I have your suggested configuration, but still no luck, below is my current running configuration, ultimate requirement is to advertise my loopback10 address with label value of 3 (implicit null). I also tried with other label values like 1001, still not advertising. Not sure I am missing anything else.
ubuntu4-4-VM2# sh running-config Building configuration...
Current configuration: ! frr version 5.1-dev frr defaults traditional hostname ubuntu4-4-VM2 log syslog informational service integrated-vtysh-config username cumulus nopassword ! ip route 10.10.100.11/32 10.10.101.2 ! interface lo ip address 10.10.100.11/32 label lo:10 ! router bgp 7018 neighbor 10.10.101.1 remote-as 7018 ! address-family ipv4 unicast redistribute static no neighbor 10.10.101.1 activate export vpn exit-address-family ! address-family ipv4 labeled-unicast neighbor 10.10.101.1 activate neighbor 10.10.101.1 next-hop-self neighbor 10.10.101.1 route-map ADV_Lo10 out exit-address-family ! ip prefix-list Loopback10 seq 10 permit 10.10.100.11/32 ! route-map ADV_Lo10 permit 10 match ip address prefix-list Loopback10 ! mpls label bind 10.10.100.11/32 implicit-null mpls label global-block 16 1048575 ! line vty ! end ubuntu4-4-VM2#
Regards, Thiruvazhiyan L
-----Original Message----- From: Kishore Aramalla [mailto:karamalla@vmware.com] Sent: Thursday, July 12, 2018 1:41 PM To: Thiruvazhiyan Lakshmanan; Renato Westphal; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B; SHAIKH, AMAN; LINGALA, AVINASH Subject: RE: [FROG] BGP state shows NoNeg for IPv4 LU neighbor
Thiruvazhiyan, Here is a sample configuration
ip route 99.1.1.0/24 14.1.1.2 ! router-id 3.3.3.3 ! router bgp 200 neighbor 2.2.2.2 remote-as 200 neighbor 2.2.2.2 update-source 3.3.3.3 ! address-family ipv4 unicast redistribute static no neighbor 2.2.2.2 activate export vpn >>>>You may be missing this in your configuration exit-address-family ! address-family ipv4 labeled-unicast neighbor 2.2.2.2 activate neighbor 2.2.2.2 next-hop-self neighbor 2.2.2.2 route-map priv_rt out exit-address-family ! ip prefix-list priv_rt seq 10 permit 99.1.1.0/24 ! route-map priv_rt permit 10 match ip address prefix-list priv_rt ! mpls label bind 99.1.1.0/24 3001 mpls label global-block 3001 4000
Best, Kishore -----Original Message----- From: Kishore Aramalla Sent: Thursday, July 12, 2018 10:23 AM To: 'Thiruvazhiyan Lakshmanan' <TL0041926@TechMahindra.com>; Renato Westphal <renato@opensourcerouting.org>; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B <bilal@research.att.com>; SHAIKH, AMAN <ashaikh@research.att.com>; LINGALA, AVINASH <ar977m@att.com> Subject: RE: [FROG] BGP state shows NoNeg for IPv4 LU neighbor
Hi Thiruvazhiyan,
Your route-map configuration may be a problem here. I have FRR 5.1, the options available for address match are the following. There is no way you can specify ip address in cidr format (10.10.100.11/32). This is treated as the access-list name. You may wanna use prefix-list or an access list. I used prefix-list.
dev(config-route-map)# match ip address (1-199) IP access-list number (1300-2699) IP access-list number (expanded range) WORD IP Access-list name prefix-len Match prefix length of ip address prefix-list Match entries of prefix-lists
Best, Kishore
-----Original Message----- From: frog <frog-bounces@lists.frrouting.org> On Behalf Of Thiruvazhiyan Lakshmanan Sent: Thursday, July 12, 2018 8:17 AM To: Renato Westphal <renato@opensourcerouting.org>; frog@lists.frrouting.org Cc: ANWER, MUHAMMAD B <bilal@research.att.com>; SHAIKH, AMAN <ashaikh@research.att.com>; LINGALA, AVINASH <ar977m@att.com> Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor
Thanks Renato for your reply. The NoNeg issue is resolved now. but, the route advertisement to LU neighbor is not happening. I tried to add the mpls label bind entries, still no luck.
Is there any sample configuration to advertise the routes to LU peer. Is there a way to check whether the static label binding is installed in the route table before advertising into BGP.
Regards, Thiruvazhiyan L
-----Original Message----- From: Renato Westphal [mailto:renato@opensourcerouting.org] Sent: Monday, July 9, 2018 2:59 PM To: Thiruvazhiyan Lakshmanan Cc: frog@lists.frrouting.org Subject: Re: [FROG] BGP state shows NoNeg for IPv4 LU neighbor
Hi,
The NoNeg issue was fixed by this PR: https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FFRRouting%2Ffrr%2Fpull%2F2494&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=h4qCNdUpSPYWDnL%2BUhO1FH0mP2Ra4TdqOo4zznvp%2BrE%3D&reserved=0
To advertise local BGP-LU routes, I believe you must create static MPLS bindings in zebra first. Example:
mpls label global-block 1000 2000 mpls label bind network 10.0.0.0/8 1001
Hope it helps, Renato.
On Mon, Jul 9, 2018 at 3:50 PM, Thiruvazhiyan Lakshmanan <TL0041926@techmahindra.com> wrote:
Hi,
I am trying to use FRR in my VM for BGP 3107 functionality. While configuring the BGP neighbor with address family “ipv4 labeled-unicast”, the neighbor state shows NoNeg. But the peer side router shows established. I also noticed the routes are learnt in FRR from peer router and installed in the route table. But, I am trying to advertise my VM loopback to the LU neighbor, which is not happening. Can someone help me on this?
Below is the VM details,
root@ubuntu4-4-VM2:~# uname -r
4.16.18-041618-generic
root@ubuntu4-4-VM2:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
Codename: xenial
root@ubuntu4-4-VM2:~#
FRR version:
Total number of neighbors 1
ubuntu4-4-VM2# show version
FRRouting 5.0 (ubuntu4-4-VM2).
Copyright 1996-2005 Kunihiro Ishiguro, et al.
configured with:
'--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-silent-rules' '--libexecdir=${prefix}/lib/frr' '--disable-maintainer-mode' '--disable-dependency-tracking' '--enable-exampledir=/usr/share/doc/frr/examples/' '--localstatedir=/var/run/frr' '--sbindir=/usr/lib/frr' '--sysconfdir=/etc/frr' '--disable-snmp' '--enable-ospfapi=yes' '--enable-multipath=256' '--enable-ldpd' '--disable-tcp-zebra' '--enable-fpm' '--enable-user=frr' '--enable-group=frr' '--enable-vty-group=frrvty' '--enable-configfile-mask=0640' '--enable-logfile-mask=0640' '--enable-werror' '--with-libpam' '--enable-systemd=yes' '--enable-poll=yes' '--enable-cumulus=no' '--enable-pimd' '--enable-dependency-tracking' '--enable-bgp-vnc=yes' '--disable-rpki' 'CFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'CXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'FCFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'FFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'GCJFLAGS=-g -O2 -fPIE -fstack-protector-strong' 'LDFLAGS=-Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now' 'OBJCFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'OBJCXXFLAGS=-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security' 'build_alias=x86_64-linux-gnu'
ubuntu4-4-VM2#
FRR configuration,
ubuntu4-4-VM2# sh running-config
Building configuration...
Current configuration:
!
frr version 5.0
frr defaults traditional
hostname ubuntu4-4-VM2
log syslog informational
no ip forwarding
no ipv6 forwarding
service integrated-vtysh-config
username cumulus nopassword
!
interface lo
ip address 10.10.100.11/32 label lo:10
!
router bgp 7018
neighbor 10.10.101.1 remote-as 7018
!
address-family ipv4 unicast
network 10.0.0.0/8 label-index 3
no neighbor 10.10.101.1 activate
exit-address-family
!
address-family ipv4 labeled-unicast
neighbor 10.10.101.1 activate
neighbor 10.10.101.1 next-hop-self
neighbor 10.10.101.1 route-map ADV_Lo10 out
exit-address-family
!
route-map ADV_Lo10 permit 10
match ip address 10.10.100.11/32
match source-protocol connected
!
line vty
!
end
ubuntu4-4-VM2# sh ip bg sum
IPv4 Labeled Unicast Summary:
BGP router identifier 10.10.100.11, local AS number 7018 vrf-id 0
BGP table version 0
RIB entries 0, using 0 bytes of memory
Peers 1, using 20 KiB of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.101.1 4 7018 9337 8553 0 0 0 2d23h15m NoNeg
Total number of neighbors 1
ubuntu4-4-VM2#
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 advertised-routes
% No such neighbor or address family
ubuntu4-4-VM2# show ip bgp ipv4 labeled-unicast neighbors 10.10.101.1 received-routes
% No such neighbor or address family
ubuntu4-4-VM2#
Displayed 26 routes and 26 total paths
ubuntu4-4-VM2# sh ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
F - PBR,
> - selected route, * - FIB route
K>* 0.0.0.0/0 [0/0] via 135.21.13.161, ens3, 2d23h58m
B>* 10.10.100.1/32 [200/0] via 10.10.101.1, bond0.11, label 306384, B>2d23h58m
B>* 10.10.100.10/32 [200/0] via 10.10.101.1, bond0.11, label 306416, 2d23h58m
C>* 10.10.100.11/32 is directly connected, lo, 2d23h58m
C>* 10.10.101.0/30 is directly connected, bond0.11, 2d23h58m
C>* 10.10.101.32/30 is directly connected, bond0.12, 2d23h58m
B>* 10.10.101.36/30 [200/0] via 10.10.101.1, bond0.11, label 306432, 2d23h58m
B>* 10.10.101.40/30 [200/0] via 10.10.101.1, bond0.11, label 306368, 2d23h58m
B>* 10.10.252.1/32 [200/0] via 10.10.101.1, bond0.11, label 306048, B>2d23h58m
B>* 10.10.252.2/32 [200/0] via 10.10.101.1, bond0.11, label 306064, B>2d23h58m
Regards, Thiruvazhiyan L
====================================================================== ======================================================
Disclaimer: This message and the information contained herein is proprietary and confidential and subject to the Tech Mahindra policy statement, you may review the policy at https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.te chmahindra.com%2FDisclaimer.html&data=02%7C01%7Ckaramalla%40vmware .com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd 62f0%7C1%7C0%7C636670054970851853&sdata=LrZOKo21Z9Dhlmb5mvITcbmYdV vbj2Gh2LEp3kEmuBE%3D&reserved=0 externally https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Ftim.te chmahindra.com%2Ftim%2Fdisclaimer.html&data=02%7C01%7Ckaramalla%40vmware.com%7Cc7b07b8449bc4616832808d5e80aaf37%7Cb39138ca3cee4b4aa4d6cd83d9dd62f0%7C1%7C0%7C636670054970851853&sdata=s8O8Bd%2FNgevNSFwQo167xQzpQVL2GjqFRhbcvuQ%2FNso%3D&reserved=0 internally within TechMahindra.
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-- Renato Westphal ============================================================================================================================
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-- Renato Westphal
participants (3)
-
Kishore Aramalla -
Renato Westphal -
Thiruvazhiyan Lakshmanan