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Example: interop1: bgp 6pe

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r1

hostname r1
vrf def v1
 rd 1:1
 label-mode per-prefix
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 mpls enable
 mpls ldp4
 exit
ipv4 route v1 2.2.2.2 255.255.255.255 1.1.1.2
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
router bgp4 1
 vrf v1
 address olab
 local-as 1
 router-id 4.4.4.1
 neigh 2.2.2.2 remote-as 1
 neigh 2.2.2.2 update lo0
 neigh 2.2.2.2 send-comm both
 afi-other ena
 afi-other red conn
 exit

r2

hostname r2
ip routing
ipv6 unicast-routing
mpls ldp explicit-null
interface loopback0
 ip addr 2.2.2.2 255.255.255.255
 ipv6 addr 4321::2/128
 exit
interface gigabit1
 ip address 1.1.1.2 255.255.255.0
 mpls ip
 no shutdown
 exit
ip route 2.2.2.1 255.255.255.255 1.1.1.1
router bgp 1
 neighbor 2.2.2.1 remote-as 1
 neighbor 2.2.2.1 update-source loopback0
 address-family ipv6 unicast
  neighbor 2.2.2.1 activate
  neighbor 2.2.2.1 send-community both
  neighbor 2.2.2.1 send-label
  red conn
 exit

r1 tping 100 10 1.1.1.2 vrf v1
r1 tping 100 120 4321::2 vrf v1
  1. Install ContainerLab as described here
  2. Fetch intop1-bgp18 file
  3. Launch ContainerLab intop1-bgp18.yml topology: 

   containerlab deploy --topo intop1-bgp18.yml
4. Destroy ContainerLab intop1-bgp18.yml topology: 

   containerlab destroy --topo intop1-bgp18.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 intop1-bgp18.tst file here
  3. Launch intop1-bgp18.tst test: 

   java -jar ../../rtr.jar test tester intop1-bgp18 path ./ temp ./ wait
4. Destroy freeRtr intop1-bgp18.tst test: 

   Ctrl-C (In freeRtr test window)