[FROG] How to configure RFC 4364 (BGP/MPLS) VPNs with FRR/bgpd

[Ashvin Lakshmikantha]

HI Aman,

                Actually the configuration is a two step process.



First, we need to create a vrf-policy under router bgp like so

vrf-policy cust0

  label 1357

  nexthop 15.44.4.165

  rd 437:612

  rt import 452:424

  rt export 516:943

  exit-vrf-policy

!

vrf-policy cust1

  label 1730

  nexthop 171.40.184.82

  rd 66:33

  rt import 906:551

  rt export 890:543

  exit-vrf-policy

!

vrf-policy cust2

  label 32639

  nexthop 189.2.178.92

  rd 14:619

  rt import 904:272

  rt export 233:507

  exit-vrf-policy



Then you need to exit the router bgp configuration and add routes to a particular vrf using add command



add vrf cust0 10.30.40.89





Note that the cust0 name must be the same value defined under vrf-policy. Currently, the next hop is defined on a per vrf basis. This is a known limitation.



Thanks,
Ashvin











From: frog [mailto:frog-bounces at lists.frrouting.org] On Behalf Of SHAIKH, AMAN (AMAN)
Sent: Wednesday, February 28, 2018 11:51 PM
To: frog at lists.frrouting.org
Subject: [FROG] How to configure RFC 4364 (BGP/MPLS) VPNs with FRR/bgpd



Hi



How do I configure FRR/bgpd to support RFC 4364 (BGP/MPLS) L3-VPNs?



Specifically, I'd like to know how to configure following things:



*       One or more VRFs along with its import and export route targets as well as route-distinguisher.

   *    Specifying one or more neighbors (eBGP sessions) in this VRF with IPv4(|6) address family.

*       One or more iBGP sessions with route-reflectors and other routers supporting VPNv4(|6) address family.



thx

aman



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