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Example: unicast+evpn/vpws over bgp additional path

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r1

hostname r1
vrf def v1
 rd 1:1
 label-mode per-prefix
 exit
bridge 1
 rd 1:1
 rt-both 1:1
 mac-learn
 private
 exit
bridge 2
 rd 1:2
 rt-both 1:2
 mac-learn
 private
 exit
bridge 3
 rd 1:3
 rt-both 1:3
 mac-learn
 private
 exit
bridge 4
 rd 1:4
 rt-both 1:4
 mac-learn
 private
 exit
int lo0
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.255
 ipv6 addr 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo1
 vrf for v1
 ipv4 addr 4.4.4.1 255.255.255.255
 ipv6 addr 4444::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.252
 ipv6 addr 1234:1::1 ffff:ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 exit
int bvi1
 vrf for v1
 ipv4 addr 3.3.3.1 255.255.255.252
 exit
int bvi2
 vrf for v1
 ipv6 addr 4444::1 ffff::
 exit
int bvi3
 vrf for v1
 ipv6 addr 3333::1 ffff::
 exit
int bvi4
 vrf for v1
 ipv4 addr 4.4.4.1 255.255.255.252
 exit
ipv4 route v1 2.2.2.2 255.255.255.255 1.1.1.2
ipv6 route v1 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234:1::2
router bgp4 1
 vrf v1
 no safe-ebgp
 address evpn uni
 local-as 1
 router-id 4.4.4.1
 neigh 2.2.2.2 remote-as 2
 neigh 2.2.2.2 update lo0
 neigh 2.2.2.2 send-comm both
 neigh 2.2.2.2 pmsi
 neigh 2.2.2.2 additional-path-rx evpn uni
 neigh 2.2.2.2 additional-path-tx evpn uni
 red conn
 afi-evpn 101 bridge 1
 afi-evpn 101 update lo0
 afi-evpn 101 encap vpws
 afi-evpn 102 bridge 3
 afi-evpn 102 update lo0
 afi-evpn 102 encap vpws
 exit
router bgp6 1
 vrf v1
 no safe-ebgp
 address evpn uni
 local-as 1
 router-id 6.6.6.1
 neigh 4321::2 remote-as 2
 neigh 4321::2 update lo0
 neigh 4321::2 send-comm both
 neigh 4321::2 pmsi
 neigh 4321::2 additional-path-rx evpn uni
 neigh 4321::2 additional-path-tx evpn uni
 red conn
 afi-evpn 101 bridge 2
 afi-evpn 101 update lo0
 afi-evpn 101 encap vpws
 afi-evpn 102 bridge 4
 afi-evpn 102 update lo0
 afi-evpn 102 encap vpws
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 label-mode per-prefix
 exit
bridge 1
 rd 2:1
 rt-both 1:1
 mac-learn
 private
 exit
bridge 2
 rd 2:2
 rt-both 1:2
 mac-learn
 private
 exit
bridge 3
 rd 2:3
 rt-both 1:3
 mac-learn
 private
 exit
bridge 4
 rd 2:4
 rt-both 1:4
 mac-learn
 private
 exit
int lo0
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.255
 ipv6 addr 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int lo1
 vrf for v1
 ipv4 addr 4.4.4.2 255.255.255.255
 ipv6 addr 4444::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.252
 ipv6 addr 1234:1::2 ffff:ffff::
 mpls enable
 mpls ldp4
 mpls ldp6
 exit
int bvi1
 vrf for v1
 ipv4 addr 3.3.3.2 255.255.255.252
 exit
int bvi2
 vrf for v1
 ipv6 addr 4444::2 ffff::
 exit
int bvi3
 vrf for v1
 ipv6 addr 3333::2 ffff::
 exit
int bvi4
 vrf for v1
 ipv4 addr 4.4.4.2 255.255.255.252
 exit
ipv4 route v1 2.2.2.1 255.255.255.255 1.1.1.1
ipv6 route v1 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 1234:1::1
router bgp4 1
 vrf v1
 no safe-ebgp
 address evpn uni
 local-as 2
 router-id 4.4.4.2
 neigh 2.2.2.1 remote-as 1
 neigh 2.2.2.1 update lo0
 neigh 2.2.2.1 send-comm both
 neigh 2.2.2.1 pmsi
 neigh 2.2.2.1 additional-path-rx evpn uni
 neigh 2.2.2.1 additional-path-tx evpn uni
 red conn
 afi-evpn 101 bridge 1
 afi-evpn 101 update lo0
 afi-evpn 101 encap vpws
 afi-evpn 102 bridge 3
 afi-evpn 102 update lo0
 afi-evpn 102 encap vpws
 exit
router bgp6 1
 vrf v1
 no safe-ebgp
 address evpn uni
 local-as 2
 router-id 6.6.6.2
 neigh 4321::1 remote-as 1
 neigh 4321::1 update lo0
 neigh 4321::1 send-comm both
 neigh 4321::1 pmsi
 neigh 4321::1 additional-path-rx evpn uni
 neigh 4321::1 additional-path-tx evpn uni
 red conn
 afi-evpn 101 bridge 2
 afi-evpn 101 update lo0
 afi-evpn 101 encap vpws
 afi-evpn 102 bridge 4
 afi-evpn 102 update lo0
 afi-evpn 102 encap vpws
 exit

r1 tping 100 60 2.2.2.2 vrf v1 sou lo0
r1 tping 100 60 4321::2 vrf v1 sou lo0
r2 tping 100 60 2.2.2.1 vrf v1 sou lo0
r2 tping 100 60 4321::1 vrf v1 sou lo0
r1 tping 100 60 4.4.4.2 vrf v1 sou lo1
r1 tping 100 60 4444::2 vrf v1 sou lo1
r2 tping 100 60 4.4.4.1 vrf v1 sou lo1
r2 tping 100 60 4444::1 vrf v1 sou lo1
r1 tping 100 60 3.3.3.2 vrf v1
r1 tping 100 60 3333::2 vrf v1
r1 tping 100 60 4.4.4.2 vrf v1
r1 tping 100 60 4444::2 vrf v1
r2 tping 100 60 3.3.3.1 vrf v1
r2 tping 100 60 3333::1 vrf v1
r2 tping 100 60 4.4.4.1 vrf v1
r2 tping 100 60 4444::1 vrf v1
  1. Install ContainerLab as described here
  2. Fetch rout-bgp389 file
  3. Launch ContainerLab rout-bgp389.yml topology: 

   containerlab deploy --topo rout-bgp389.yml
4. Destroy ContainerLab rout-bgp389.yml topology: 

   containerlab destroy --topo rout-bgp389.yml
5. Copy-paste configuration for each node in the lab topology

  1. Fetch or compile freeRtr rtr.jar file.
    You can grab it here
  2. Fetch rout-bgp389.tst file here
  3. Launch rout-bgp389.tst test: 

   java -jar ../../rtr.jar test tester rout-bgp389 path ./ temp ./ wait
4. Destroy freeRtr rout-bgp389.tst test: 

   Ctrl-C (In freeRtr test window)