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Example: bgp with polka

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r1

hostname r1
vrf def v1
 rd 1:1
 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 eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.252
 ipv6 addr 1234:1::1 ffff:ffff::
 mpls enable
 polka enable 1 65536 10
 exit
router bgp4 1
 vrf v1
 no safe-ebgp
 address uni
 local-as 1
 segrout 10 1
 router-id 4.4.4.1
 neigh 1.1.1.2 remote-as 2
 neigh 1.1.1.2 segrout
 red conn
 exit
router bgp6 1
 vrf v1
 no safe-ebgp
 address uni
 local-as 1
 segrout 10 1
 router-id 6.6.6.1
 neigh 1234:1::2 remote-as 2
 neigh 1234:1::2 segrout
 red conn
 exit
interface tun1
 tunnel vrf v1
 tunnel source loopback0
 tunnel destination 2.2.2.4
 tunnel domain-name 2.2.2.2 2.2.2.3
 tunnel mode polka
 vrf forwarding v1
 ipv4 address 3.3.3.1 255.255.255.252
 exit
interface tun2
 tunnel vrf v1
 tunnel source loopback0
 tunnel destination 4321::4
 tunnel domain-name 4321::2 4321::3
 tunnel mode polka
 vrf forwarding v1
 ipv6 address 3333::1 ffff::
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 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 eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.252
 ipv6 addr 1234:1::2 ffff:ffff::
 mpls enable
 polka enable 2 65536 10
 exit
int eth2
 vrf for v1
 ipv4 addr 1.1.1.5 255.255.255.252
 ipv6 addr 1234:2::1 ffff:ffff::
 mpls enable
 polka enable 2 65536 10
 exit
router bgp4 1
 vrf v1
 no safe-ebgp
 address uni
 local-as 2
 segrout 10 2
 router-id 4.4.4.2
 neigh 1.1.1.1 remote-as 1
 neigh 1.1.1.1 segrout
 neigh 1.1.1.6 remote-as 3
 neigh 1.1.1.6 segrout
 red conn
 exit
router bgp6 1
 vrf v1
 no safe-ebgp
 address uni
 local-as 2
 segrout 10 2
 router-id 6.6.6.2
 neigh 1234:1::1 remote-as 1
 neigh 1234:1::1 segrout
 neigh 1234:2::2 remote-as 3
 neigh 1234:2::2 segrout
 red conn
 exit

r3

hostname r3
vrf def v1
 rd 1:1
 exit
int lo0
 vrf for v1
 ipv4 addr 2.2.2.3 255.255.255.255
 ipv6 addr 4321::3 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.6 255.255.255.252
 ipv6 addr 1234:2::2 ffff:ffff::
 mpls enable
 polka enable 3 65536 10
 exit
int eth2
 vrf for v1
 ipv4 addr 1.1.1.9 255.255.255.252
 ipv6 addr 1234:3::1 ffff:ffff::
 mpls enable
 polka enable 3 65536 10
 exit
router bgp4 1
 vrf v1
 no safe-ebgp
 address uni
 local-as 3
 segrout 10 3
 router-id 4.4.4.3
 neigh 1.1.1.5 remote-as 2
 neigh 1.1.1.5 segrout
 neigh 1.1.1.10 remote-as 4
 neigh 1.1.1.10 segrout
 red conn
 exit
router bgp6 1
 vrf v1
 no safe-ebgp
 address uni
 local-as 3
 segrout 10 3
 router-id 6.6.6.3
 neigh 1234:2::1 remote-as 2
 neigh 1234:2::1 segrout
 neigh 1234:3::2 remote-as 4
 neigh 1234:3::2 segrout
 red conn
 exit

r4

hostname r4
vrf def v1
 rd 1:1
 exit
int lo0
 vrf for v1
 ipv4 addr 2.2.2.4 255.255.255.255
 ipv6 addr 4321::4 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.10 255.255.255.252
 ipv6 addr 1234:3::2 ffff:ffff::
 mpls enable
 polka enable 4 65536 10
 exit
router bgp4 1
 vrf v1
 no safe-ebgp
 address uni
 local-as 4
 segrout 10 4
 router-id 4.4.4.4
 neigh 1.1.1.9 remote-as 3
 neigh 1.1.1.9 segrout
 red conn
 exit
router bgp6 1
 vrf v1
 no safe-ebgp
 address uni
 local-as 4
 segrout 10 4
 router-id 6.6.6.4
 neigh 1234:3::1 remote-as 3
 neigh 1234:3::1 segrout
 red conn
 exit
interface tun1
 tunnel vrf v1
 tunnel source loopback0
 tunnel destination 2.2.2.1
 tunnel domain-name 2.2.2.3 2.2.2.2
 tunnel mode polka
 vrf forwarding v1
 ipv4 address 3.3.3.2 255.255.255.252
 exit
interface tun2
 tunnel vrf v1
 tunnel source loopback0
 tunnel destination 4321::1
 tunnel domain-name 4321::3 4321::2
 tunnel mode polka
 vrf forwarding v1
 ipv6 address 3333::2 ffff::
 exit

r1 tping 100 60 2.2.2.2 vrf v1 sou lo0
r1 tping 100 60 2.2.2.3 vrf v1 sou lo0
r1 tping 100 60 2.2.2.4 vrf v1 sou lo0
r1 tping 100 60 4321::2 vrf v1 sou lo0
r1 tping 100 60 4321::3 vrf v1 sou lo0
r1 tping 100 60 4321::4 vrf v1 sou lo0
r2 tping 100 60 2.2.2.1 vrf v1 sou lo0
r2 tping 100 60 2.2.2.3 vrf v1 sou lo0
r2 tping 100 60 2.2.2.4 vrf v1 sou lo0
r2 tping 100 60 4321::1 vrf v1 sou lo0
r2 tping 100 60 4321::3 vrf v1 sou lo0
r2 tping 100 60 4321::4 vrf v1 sou lo0
r3 tping 100 60 2.2.2.1 vrf v1 sou lo0
r3 tping 100 60 2.2.2.2 vrf v1 sou lo0
r3 tping 100 60 2.2.2.4 vrf v1 sou lo0
r3 tping 100 60 4321::1 vrf v1 sou lo0
r3 tping 100 60 4321::2 vrf v1 sou lo0
r3 tping 100 60 4321::4 vrf v1 sou lo0
r4 tping 100 60 2.2.2.1 vrf v1 sou lo0
r4 tping 100 60 2.2.2.2 vrf v1 sou lo0
r4 tping 100 60 2.2.2.3 vrf v1 sou lo0
r4 tping 100 60 4321::1 vrf v1 sou lo0
r4 tping 100 60 4321::2 vrf v1 sou lo0
r4 tping 100 60 4321::3 vrf v1 sou lo0
r1 tping 100 20 3.3.3.2 vrf v1 sou tun1
r4 tping 100 20 3.3.3.1 vrf v1 sou tun1
r1 tping 100 20 3333::2 vrf v1 sou tun2
r4 tping 100 20 3333::1 vrf v1 sou tun2
  1. Install ContainerLab as described here
  2. Fetch rout-bgp527 file
  3. Launch ContainerLab rout-bgp527.yml topology: 

   containerlab deploy --topo rout-bgp527.yml
4. Destroy ContainerLab rout-bgp527.yml topology: 

   containerlab destroy --topo rout-bgp527.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-bgp527.tst file here
  3. Launch rout-bgp527.tst test: 

   java -jar ../../rtr.jar test tester rout-bgp527 path ./ temp ./ wait
4. Destroy freeRtr rout-bgp527.tst test: 

   Ctrl-C (In freeRtr test window)