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Example: sr in chain

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r1

hostname r1
vrf def v1
 rd 1:1
 exit
access-list test4
 deny 1 any all any all
 permit all any all any all
 exit
access-list test6
 deny all 4321:: ffff:: all 4321:: ffff:: all
 permit all any all any all
 exit
router lsrp4 1
 vrf v1
 router 4.4.4.1
 segrout 10 1
 red conn
 exit
router lsrp6 1
 vrf v1
 router 6.6.6.1
 segrout 10 1
 red conn
 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
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 ipv4 access-group-in test4
 ipv6 access-group-in test6
 mpls enable
 router lsrp4 1 ena
 router lsrp6 1 ena
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
access-list test4
 deny 1 any all any all
 permit all any all any all
 exit
access-list test6
 deny all 4321:: ffff:: all 4321:: ffff:: all
 permit all any all any all
 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::
 ipv4 access-group-in test4
 ipv6 access-group-in test6
 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::
 ipv4 access-group-in test4
 ipv6 access-group-in test6
 mpls enable
 router lsrp4 1 ena
 router lsrp6 1 ena
 exit

r3

hostname r3
vrf def v1
 rd 1:1
 exit
access-list test4
 deny 1 any all any all
 permit all any all any all
 exit
access-list test6
 deny all 4321:: ffff:: all 4321:: ffff:: all
 permit all any all any all
 exit
router lsrp4 1
 vrf v1
 router 4.4.4.3
 segrout 10 3
 red conn
 exit
router lsrp6 1
 vrf v1
 router 6.6.6.3
 segrout 10 3
 red conn
 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
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.2.3 255.255.255.0
 ipv6 addr 1235::3 ffff::
 ipv4 access-group-in test4
 ipv6 access-group-in test6
 mpls enable
 router lsrp4 1 ena
 router lsrp6 1 ena
 exit
int eth2
 vrf for v1
 ipv4 addr 1.1.3.3 255.255.255.0
 ipv6 addr 1236::3 ffff::
 ipv4 access-group-in test4
 ipv6 access-group-in test6
 mpls enable
 router lsrp4 1 ena
 router lsrp6 1 ena
 exit

r4

hostname r4
vrf def v1
 rd 1:1
 exit
access-list test4
 deny 1 any all any all
 permit all any all any all
 exit
access-list test6
 deny all 4321:: ffff:: all 4321:: ffff:: all
 permit all any all any all
 exit
router lsrp4 1
 vrf v1
 router 4.4.4.4
 segrout 10 4
 red conn
 exit
router lsrp6 1
 vrf v1
 router 6.6.6.4
 segrout 10 4
 red conn
 exit
int lo1
 vrf for v1
 ipv4 addr 2.2.2.4 255.255.255.255
 ipv6 addr 4321::4 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.3.4 255.255.255.0
 ipv6 addr 1236::4 ffff::
 ipv4 access-group-in test4
 ipv6 access-group-in test6
 mpls enable
 router lsrp4 1 ena
 router lsrp6 1 ena
 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 2.2.2.4 vrf v1 sou lo1
r1 tping 100 20 4321::2 vrf v1 sou lo1
r1 tping 100 20 4321::3 vrf v1 sou lo1
r1 tping 100 20 4321::4 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 2.2.2.4 vrf v1 sou lo1
r2 tping 100 20 4321::1 vrf v1 sou lo1
r2 tping 100 20 4321::3 vrf v1 sou lo1
r2 tping 100 20 4321::4 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 2.2.2.4 vrf v1 sou lo1
r3 tping 100 20 4321::1 vrf v1 sou lo1
r3 tping 100 20 4321::2 vrf v1 sou lo1
r3 tping 100 20 4321::4 vrf v1 sou lo1
r4 tping 100 20 2.2.2.1 vrf v1 sou lo1
r4 tping 100 20 2.2.2.2 vrf v1 sou lo1
r4 tping 100 20 2.2.2.3 vrf v1 sou lo1
r4 tping 100 20 4321::1 vrf v1 sou lo1
r4 tping 100 20 4321::2 vrf v1 sou lo1
r4 tping 100 20 4321::3 vrf v1 sou lo1
r1 output show mpls forw
r2 output show mpls forw
r3 output show mpls forw
r4 output show mpls forw
output ../binTmp/mpls-sr.html
<html><body bgcolor="#000000" text="#FFFFFF" link="#00FFFF" vlink="#00FFFF" alink="#00FFFF">
here is the lib:
here is the lib:
here is the lib:
here is the lib:
  1. Install ContainerLab as described here
  2. Fetch mpls-sr01 file
  3. Launch ContainerLab mpls-sr01.yml topology: 

   containerlab deploy --topo mpls-sr01.yml
4. Destroy ContainerLab mpls-sr01.yml topology: 

   containerlab destroy --topo mpls-sr01.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-sr01.tst file here
  3. Launch mpls-sr01.tst test: 

   java -jar ../../rtr.jar test tester mpls-sr01 path ./ temp ./ wait
4. Destroy freeRtr mpls-sr01.tst test: 

   Ctrl-C (In freeRtr test window)