[FROG] Simple BGP configuration to test

[Leonardo Porto]

I guess you need this:

ip route 172.10.20.0/30 Null0
ip route 192.168.100.0/24 Null0


Em 27/11/2023 13:51, Jorge Visentini escreveu:
> Hi all!
>
> I configured the BGP peer to test and the sessions are UP but it does 
> not propagate the networks. I tried all the options that I know, but 
> it does not work yet.
>
> I don't know if the error is my installation on Rocky Linux or just my 
> BGP syntax.
>
> *FRRouting 9.0.1
> Kernel 5.14.0-362.8.1.el9_3.x86_64
> Rocky Linux 9.3*
>
> */etc/sysctl.conf:
> net.ipv4.ip_forward = 1
> net.ipv6.conf.all.forwarding = 1*
>
> R01# show run
> Building configuration...
>
> Current configuration:
> !
> frr version 9.0.1
> frr defaults traditional
> hostname R01
> log syslog informational
> service integrated-vtysh-config
> !
> interface eth2
>  ip address 10.10.20.1/30 <http://10.10.20.1/30>
> exit
> !
> interface eth3
>  ip address 10.10.30.1/30 <http://10.10.30.1/30>
> exit
> !
> router bgp 65100
>  bgp router-id 172.10.20.1
>  bgp log-neighbor-changes
>  no bgp network import-check
>  neighbor 10.10.20.2 remote-as 65200
>  neighbor 10.10.20.2 description ASN65200
>  neighbor 10.10.30.2 remote-as 65300
>  neighbor 10.10.30.2 description ASN65300
>  !
>  address-family ipv4 unicast
>   network 172.10.20.0/30 <http://172.10.20.0/30>
>   network 192.168.100.0/24 <http://192.168.100.0/24>
>   redistribute connected
>   neighbor 10.10.20.2 soft-reconfiguration inbound
>   neighbor 10.10.20.2 prefix-list ASN65200-IN in
>   neighbor 10.10.20.2 prefix-list ASN65200-OUT out
>  exit-address-family
> exit
> !
> access-list ANS65200-IN seq 5 permit 0.0.0.0/0 <http://0.0.0.0/0>
> access-list ANS65200-OUT seq 5 permit 192.168.100.0/24 
> <http://192.168.100.0/24>
> !
> end
> R01#
>
>
> [root at ASN65200 ~]# cat /etc/frr/frr.conf
> frr version 9.0.1
> frr defaults traditional
> hostname ASN65200
> log syslog informational
> service integrated-vtysh-config
> !
> interface eth2
>  ip address 10.10.20.2/30 <http://10.10.20.2/30>
> exit
> !
> interface eth3
>  ip address 10.20.40.2/30 <http://10.20.40.2/30>
> exit
> !
> interface lo
> exit
> !
> interface eth0
> exit
> !
> router bgp 65200
>  bgp router-id 2.2.2.2
>  bgp log-neighbor-changes
>  no bgp network import-check
>  neighbor 10.10.20.1 remote-as 65100
>  neighbor 10.20.40.1 remote-as 65400
>  !
>  address-family ipv4 unicast
>   network 2.2.2.2/32 <http://2.2.2.2/32>
>   redistribute connected
>   neighbor 10.10.20.1 default-originate
>   neighbor 10.10.20.1 soft-reconfiguration inbound
>   neighbor 10.10.20.1 prefix-list ANS65100-IN in
>   neighbor 10.10.20.1 prefix-list ANS65100-OUT out
>  exit-address-family
> exit
> !
> access-list ASN65100-IN seq 5 permit 0.0.0.0/0 <http://0.0.0.0/0>
> access-list ASN65100-OUT seq 5 permit 2.2.2.2/32 <http://2.2.2.2/32>
> !
> [root at ASN65200 ~]#
>
>
> R01# show ip bgp summary
>
> IPv4 Unicast Summary (VRF default):
> BGP router identifier 172.10.20.1, local AS number 65100 vrf-id 0
> BGP table version 4
> RIB entries 7, using 1344 bytes of memory
> Peers 2, using 41 KiB of memory
>
> Neighbor        V         AS   MsgRcvd   MsgSent   TblVer  InQ OutQ 
>  Up/Down State/PfxRcd   PfxSnt Desc
> 10.10.20.2      4      65200        28        25        4  0    0 
> 00:19:25     (Policy) (Policy) ASN65200
> 10.10.30.2      4      65300         0         0        0  0    0   
>  never       Active        0 ASN65300
>
> Total number of neighbors 2
>
>
> R01# do show ip bgp neighbors 10.10.20.2 received
> BGP table version is 4, local router ID is 172.10.20.1, vrf id 0
> Default local pref 100, local AS 65100
> Status codes:  s suppressed, d damped, h history, * valid, > best, = 
> multipath,
>                i internal, r RIB-failure, S Stale, R Removed
> Nexthop codes: @NNN nexthop's vrf id, < announce-nh-self
> Origin codes:  i - IGP, e - EGP, ? - incomplete
> RPKI validation codes: V valid, I invalid, N Not found
>
>     Network          Next Hop            Metric LocPrf Weight Path
>  *> 0.0.0.0/0 <http://0.0.0.0/0>        10.10.20.2               0     
>         0 65200 i
>
> Total number of prefixes 1 (1 filtered)
> R01#
>
>
> Any tips?
> -- 
> Att,
> Jorge Visentini
> +55 55 98432-9868
>
> _______________________________________________
> frog mailing list
> frog at lists.frrouting.org
> https://lists.frrouting.org/listinfo/frog
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