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Example: interop2: bgp community

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r1

hostname r1
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 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
route-map rm1
 sequence 10 act deny
  match stdcomm 1234:4321
 sequence 20 act permit
 exit
router bgp4 1
 vrf v1
 address uni
 local-as 1
 router-id 4.4.4.1
 neigh 1.1.1.2 remote-as 1
 neigh 1.1.1.2 route-map-in rm1
 neigh 1.1.1.2 send-comm both
 red conn
 exit
router bgp6 1
 vrf v1
 address uni
 local-as 1
 router-id 6.6.6.1
 neigh 1234::2 remote-as 1
 neigh 1234::2 route-map-in rm1
 neigh 1234::2 send-comm both
 red conn
 exit

r2

hostname r2
interface loopback0
 ipv4 addr 2.2.2.2 255.255.255.255
 ipv6 addr 4321::2/128
 exit
interface loopback1
 ipv4 addr 2.2.2.3 255.255.255.255
 ipv6 addr 4321::3/128
 exit
interface loopback2
 ipv4 addr 2.2.2.4 255.255.255.255
 ipv6 addr 4321::4/128
 exit
interface gigabit0/0/0/0
 ipv4 address 1.1.1.2 255.255.255.0
 ipv6 address 1234::2/64
 no shutdown
 exit
route-policy rp1
 if destination in (2.2.2.3/32, 4321::3/128) then
  set community (1234:4321)
 else
  set community (1234:1234)
 endif
 pass
 end-policy
router bgp 1
 address-family ipv4 unicast
  redistribute connected route-policy rp1
 address-family ipv6 unicast
  redistribute connected route-policy rp1
 neighbor 1.1.1.1
  remote-as 1
  address-family ipv4 unicast
 neighbor 1234::1
  remote-as 1
  address-family ipv6 unicast

r1 tping 100 10 1.1.1.2 vrf v1
r1 tping 100 10 1234::2 vrf v1
r1 tping 100 60 2.2.2.2 vrf v1 sou lo0
r1 tping 100 60 4321::2 vrf v1 sou lo0
r1 tping 0 60 2.2.2.3 vrf v1 sou lo0
r1 tping 0 60 4321::3 vrf v1 sou lo0
r1 tping 100 60 2.2.2.4 vrf v1 sou lo0
r1 tping 100 60 4321::4 vrf v1 sou lo0
  1. Install ContainerLab as described here
  2. Fetch intop2-bgp06 file
  3. Launch ContainerLab intop2-bgp06.yml topology: 

   containerlab deploy --topo intop2-bgp06.yml
4. Destroy ContainerLab intop2-bgp06.yml topology: 

   containerlab destroy --topo intop2-bgp06.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 intop2-bgp06.tst file here
  3. Launch intop2-bgp06.tst test: 

   java -jar ../../rtr.jar test tester intop2-bgp06 path ./ temp ./ wait
4. Destroy freeRtr intop2-bgp06.tst test: 

   Ctrl-C (In freeRtr test window)