Skip to content

Example: bgp with php labels over sr

Alt text

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 lab
 local-as 1
 router-id 4.4.4.1
 neigh 2.2.2.3 remote-as 1
 neigh 2.2.2.3 label-pop
 neigh 2.2.2.3 update lo1
 red conn
 exit
router bgp6 1
 vrf v1
 address lab
 local-as 1
 router-id 6.6.6.1
 neigh 4321::3 remote-as 1
 neigh 4321::3 label-pop
 neigh 4321::3 update lo1
 red conn
 exit
int pweth1
 vrf for v1
 ipv4 addr 3.3.3.1 255.255.255.0
 pseudo v1 lo2 pweompls 2.2.2.13 1234
 exit
int pweth2
 vrf for v1
 ipv4 addr 3.3.4.1 255.255.255.0
 pseudo v1 lo2 pweompls 4321::13 1234
 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 lab
 local-as 1
 router-id 4.4.4.3
 neigh 2.2.2.1 remote-as 1
 neigh 2.2.2.1 label-pop
 neigh 2.2.2.1 update lo1
 red conn
 exit
router bgp6 1
 vrf v1
 address lab
 local-as 1
 router-id 6.6.6.3
 neigh 4321::1 remote-as 1
 neigh 4321::1 label-pop
 neigh 4321::1 update lo1
 red conn
 exit
int pweth1
 vrf for v1
 ipv4 addr 3.3.3.2 255.255.255.0
 pseudo v1 lo2 pweompls 2.2.2.11 1234
 exit
int pweth2
 vrf for v1
 ipv4 addr 3.3.4.2 255.255.255.0
 pseudo v1 lo2 pweompls 4321::11 1234
 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
r1 tping 100 40 3.3.3.2 vrf v1
r3 tping 100 40 3.3.3.1 vrf v1
r1 tping 100 40 3.3.4.2 vrf v1
r3 tping 100 40 3.3.4.1 vrf v1
  1. Install ContainerLab as described here
  2. Fetch mpls-sr12 file
  3. Launch ContainerLab mpls-sr12.yml topology: 

   containerlab deploy --topo mpls-sr12.yml
4. Destroy ContainerLab mpls-sr12.yml topology: 

   containerlab destroy --topo mpls-sr12.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-sr12.tst file here
  3. Launch mpls-sr12.tst test: 

   java -jar ../../rtr.jar test tester mpls-sr12 path ./ temp ./ wait
4. Destroy freeRtr mpls-sr12.tst test: 

   Ctrl-C (In freeRtr test window)