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Example: isis prefix withdraw

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r1

hostname r1
vrf def v1
 rd 1:1
 exit
router isis4 1
 vrf v1
 net 11.4444.0000.1111.00
 exit
router isis6 1
 vrf v1
 net 11.6666.0000.1111.00
 exit
int lo1
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.255
 router isis4 1 ena
 exit
int lo2
 vrf for v1
 ipv6 addr 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 router isis6 1 ena
 exit
int eth1.11
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.252
 router isis4 1 ena
 exit
int eth1.12
 vrf for v1
 ipv6 addr 1234:1::1 ffff:ffff::
 router isis6 1 ena
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
router isis4 1
 vrf v1
 net 22.4444.0000.2222.00
 exit
router isis6 1
 vrf v1
 net 22.6666.0000.2222.00
 exit
int lo1
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.255
 router isis4 1 ena
 exit
int lo2
 vrf for v1
 ipv6 addr 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 router isis6 1 ena
 exit
int eth1.11
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.252
 router isis4 1 ena
 exit
int eth1.12
 vrf for v1
 ipv6 addr 1234:1::2 ffff:ffff::
 router isis6 1 ena
 exit

r1 tping 100 20 2.2.2.2 vrf v1
r1 tping 100 20 4321::2 vrf v1
r2 tping 100 20 2.2.2.1 vrf v1
r2 tping 100 20 4321::1 vrf v1
r1 send conf t
r1 send int lo1
r1 send no router isis4 1 ena
r1 send exit
r1 send int lo2
r1 send no router isis6 1 ena
r1 send end
r1 tping 100 20 2.2.2.2 vrf v1
r1 tping 100 20 4321::2 vrf v1
r2 tping 0 20 2.2.2.1 vrf v1
r2 tping 0 20 4321::1 vrf v1
r1 send conf t
r1 send int lo1
r1 send router isis4 1 ena
r1 send exit
r1 send int lo2
r1 send router isis6 1 ena
r1 send end
r1 tping 100 20 2.2.2.2 vrf v1
r1 tping 100 20 4321::2 vrf v1
r2 tping 100 20 2.2.2.1 vrf v1
r2 tping 100 20 4321::1 vrf v1
r2 output show ipv4 isis 1 nei
r2 output show ipv6 isis 1 nei
r2 output show ipv4 isis 1 dat 2
r2 output show ipv6 isis 1 dat 2
r2 output show ipv4 isis 1 tre 2
r2 output show ipv6 isis 1 tre 2
r2 output show ipv4 route v1
r2 output show ipv6 route v1
  1. Install ContainerLab as described here
  2. Fetch rout-isis044 file
  3. Launch ContainerLab rout-isis044.yml topology: 

   containerlab deploy --topo rout-isis044.yml
4. Destroy ContainerLab rout-isis044.yml topology: 

   containerlab destroy --topo rout-isis044.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 rout-isis044.tst file here
  3. Launch rout-isis044.tst test: 

   java -jar ../../rtr.jar test tester rout-isis044 path ./ temp ./ wait
4. Destroy freeRtr rout-isis044.tst test: 

   Ctrl-C (In freeRtr test window)