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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