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Example: sr te over exthdr

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r1

hostname r1
access-list all
 permit all any all any all
 exit
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::
 ipv4 srh enable
 ipv6 srh enable
 exit
interface tun1
 tunnel vrf v1
 tunnel source ethernet1
 tunnel destination 1.1.2.3
 tunnel domain-name 1.1.1.2
 tunnel mode srext
 vrf forwarding v1
 ipv4 address 3.3.3.1 255.255.255.252
 exit
interface tun2
 tunnel vrf v1
 tunnel source ethernet1
 tunnel destination 1235::3
 tunnel domain-name 1234::2
 tunnel mode srext
 vrf forwarding v1
 ipv6 address 3333::1 ffff::
 exit

r2

hostname r2
access-list all
 permit all any all any all
 exit
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.0
 ipv6 addr 1234::2 ffff::
 ipv4 srh enable
 ipv6 srh enable
 exit
int eth2
 vrf for v1
 ipv4 addr 1.1.2.2 255.255.255.0
 ipv6 addr 1235::2 ffff::
 ipv4 srh enable
 ipv6 srh enable
 exit

r3

hostname r3
access-list all
 permit all any all any all
 exit
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.2.3 255.255.255.0
 ipv6 addr 1235::3 ffff::
 ipv4 srh enable
 ipv6 srh enable
 exit
interface tun1
 tunnel vrf v1
 tunnel source ethernet1
 tunnel destination 1.1.1.1
 tunnel domain-name 1.1.2.2
 tunnel mode srext
 vrf forwarding v1
 ipv4 address 3.3.3.2 255.255.255.252
 exit
interface tun2
 tunnel vrf v1
 tunnel source ethernet1
 tunnel destination 1234::1
 tunnel domain-name 1235::2
 tunnel mode srext
 vrf forwarding v1
 ipv6 address 3333::2 ffff::
 exit

r1 tping 100 20 1.1.1.2 vrf v1
r1 tping 100 20 1234::2 vrf v1
r2 tping 100 20 1.1.1.1 vrf v1
r2 tping 100 20 1234::1 vrf v1
r2 tping 100 20 1.1.2.3 vrf v1
r2 tping 100 20 1235::3 vrf v1
r3 tping 100 20 1.1.2.2 vrf v1
r3 tping 100 20 1235::2 vrf v1
r1 tping 100 20 3.3.3.2 vrf v1 sou tun1
r3 tping 100 20 3.3.3.1 vrf v1 sou tun1
r1 tping 100 20 3333::2 vrf v1 sou tun2
r3 tping 100 20 3333::1 vrf v1 sou tun2
  1. Install ContainerLab as described here
  2. Fetch mpls-sr11 file
  3. Launch ContainerLab mpls-sr11.yml topology: 

   containerlab deploy --topo mpls-sr11.yml
4. Destroy ContainerLab mpls-sr11.yml topology: 

   containerlab destroy --topo mpls-sr11.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-sr11.tst file here
  3. Launch mpls-sr11.tst test: 

   java -jar ../../rtr.jar test tester mpls-sr11 path ./ temp ./ wait
4. Destroy freeRtr mpls-sr11.tst test: 

   Ctrl-C (In freeRtr test window)