Example: cross connect vlan subinterfaces of same interface

TopologyConfigurationsVerificationEmulation

r1

hostname r1
vrf def v1
 rd 1:1
 exit
vrf def v2
 rd 1:1
 exit
int eth1.11
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.0
 ipv6 addr 4321::1 ffff::
 exit
int eth1.22
 vrf for v2
 ipv4 addr 2.2.2.2 255.255.255.0
 ipv6 addr 4321::2 ffff::
 exit

r2

hostname r2
int eth1.11
 exit
int eth1.22
 exit
connect con
 side1 eth1.11
 side2 eth1.22
 exit

r1 tping 100 30 2.2.2.2 vrf v1
r1 tping 100 30 4321::2 vrf v1
r1 tping 100 30 2.2.2.1 vrf v2
r1 tping 100 30 4321::1 vrf v2

ContainerLabfreeRtr CLI

1. Install ContainerLab as described here
2. Fetch conn-xconn10 file
3. Launch ContainerLab conn-xconn10.yml topology:

   containerlab deploy --topo conn-xconn10.yml  

4. Destroy ContainerLab conn-xconn10.yml topology:

   containerlab destroy --topo conn-xconn10.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 conn-xconn10.tst file here
3. Launch conn-xconn10.tst test:

   java -jar ../../rtr.jar test tester conn-xconn10 path ./ temp ./ wait

4. Destroy freeRtr conn-xconn10.tst test:

   Ctrl-C (In freeRtr test window)