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Example: bgp over sr

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r1

hostname r1
vrf def v1
 rd 1:1
 exit
router lsrp4 1
 vrf v1
 router 4.4.4.1
 segrout 10 1
 exit
router lsrp6 1
 vrf v1
 router 6.6.6.1
 segrout 10 1
 exit
int lo1
 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
 router lsrp4 1 ena
 router lsrp6 1 ena
 exit
int lo2
 vrf for v1
 ipv4 addr 2.2.2.11 255.255.255.255
 ipv6 addr 4321::11 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 mpls enable
 router lsrp4 1 ena
 router lsrp6 1 ena
 exit
router bgp4 1
 vrf v1
 address uni
 local-as 1
 router-id 4.4.4.1
 neigh 2.2.2.3 remote-as 1
 neigh 2.2.2.3 update lo1
 red conn
 exit
router bgp6 1
 vrf v1
 address uni
 local-as 1
 router-id 6.6.6.1
 neigh 4321::3 remote-as 1
 neigh 4321::3 update lo1
 red conn
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
router lsrp4 1
 vrf v1
 router 4.4.4.2
 segrout 10 2
 red conn
 exit
router lsrp6 1
 vrf v1
 router 6.6.6.2
 segrout 10 2
 red conn
 exit
int lo1
 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 1.1.1.2 255.255.255.0
 ipv6 addr 1234::2 ffff::
 mpls enable
 router lsrp4 1 ena
 router lsrp6 1 ena
 exit
int eth2
 vrf for v1
 ipv4 addr 1.1.2.2 255.255.255.0
 ipv6 addr 1235::2 ffff::
 mpls enable
 router lsrp4 1 ena
 router lsrp6 1 ena
 exit

r3

hostname r3
vrf def v1
 rd 1:1
 exit
router lsrp4 1
 vrf v1
 router 4.4.4.3
 segrout 10 3
 exit
router lsrp6 1
 vrf v1
 router 6.6.6.3
 segrout 10 3
 exit
int lo1
 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
 router lsrp4 1 ena
 router lsrp6 1 ena
 exit
int lo2
 vrf for v1
 ipv4 addr 2.2.2.13 255.255.255.255
 ipv6 addr 4321::13 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.2.3 255.255.255.0
 ipv6 addr 1235::3 ffff::
 mpls enable
 router lsrp4 1 ena
 router lsrp6 1 ena
 exit
router bgp4 1
 vrf v1
 address uni
 local-as 1
 router-id 4.4.4.3
 neigh 2.2.2.1 remote-as 1
 neigh 2.2.2.1 update lo1
 red conn
 exit
router bgp6 1
 vrf v1
 address uni
 local-as 1
 router-id 6.6.6.3
 neigh 4321::1 remote-as 1
 neigh 4321::1 update lo1
 red conn
 exit

r1 tping 100 20 2.2.2.2 vrf v1 sou lo1
r1 tping 100 20 2.2.2.3 vrf v1 sou lo1
r1 tping 100 20 4321::2 vrf v1 sou lo1
r1 tping 100 20 4321::3 vrf v1 sou lo1
r2 tping 100 20 2.2.2.1 vrf v1 sou lo1
r2 tping 100 20 2.2.2.3 vrf v1 sou lo1
r2 tping 100 20 4321::1 vrf v1 sou lo1
r2 tping 100 20 4321::3 vrf v1 sou lo1
r3 tping 100 20 2.2.2.1 vrf v1 sou lo1
r3 tping 100 20 2.2.2.2 vrf v1 sou lo1
r3 tping 100 20 4321::1 vrf v1 sou lo1
r3 tping 100 20 4321::2 vrf v1 sou lo1
r1 tping 100 60 2.2.2.13 vrf v1 sou lo2
r1 tping 100 60 4321::13 vrf v1 sou lo2
r3 tping 100 60 2.2.2.11 vrf v1 sou lo2
r3 tping 100 60 4321::11 vrf v1 sou lo2
  1. Install ContainerLab as described here
  2. Fetch mpls-sr05 file
  3. Launch ContainerLab mpls-sr05.yml topology: 

   containerlab deploy --topo mpls-sr05.yml
4. Destroy ContainerLab mpls-sr05.yml topology: 

   containerlab destroy --topo mpls-sr05.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 mpls-sr05.tst file here
  3. Launch mpls-sr05.tst test: 

   java -jar ../../rtr.jar test tester mpls-sr05 path ./ temp ./ wait
4. Destroy freeRtr mpls-sr05.tst test: 

   Ctrl-C (In freeRtr test window)