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Example: interop1: gre tunnel

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r1

hostname r1
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::
 exit
int tun1
 tunnel vrf v1
 tunnel mode gre
 tunnel source ethernet1
 tunnel destination 1.1.1.2
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.0
 ipv6 addr 2222::1 ffff::
 exit
int tun2
 tunnel vrf v1
 tunnel mode gre
 tunnel source ethernet1
 tunnel destination 1234::2
 vrf for v1
 ipv4 addr 3.3.3.1 255.255.255.0
 ipv6 addr 3333::1 ffff::
 exit

r2

hostname r2
ip routing
ipv6 unicast-routing
interface gigabit1
 ip address 1.1.1.2 255.255.255.0
 ipv6 address 1234::2/64
 no shutdown
 exit
interface tunnel1
 tunnel source gigabit1
 tunnel destination 1.1.1.1
 tunnel mode gre ip
 ip address 2.2.2.2 255.255.255.0
 ipv6 address 2222::2/64
 exit
interface tunnel2
 tunnel source gigabit1
 tunnel destination 1234::1
 tunnel mode gre ipv6
 ip address 3.3.3.2 255.255.255.0
 ipv6 address 3333::2/64
 exit

r1 tping 100 10 1.1.1.2 vrf v1
r1 tping 100 10 1234::2 vrf v1
r1 tping 100 10 2.2.2.2 vrf v1
r1 tping 100 10 2222::2 vrf v1
r1 tping 100 10 3.3.3.2 vrf v1
r1 tping 100 10 3333::2 vrf v1
  1. Install ContainerLab as described here
  2. Fetch intop1-tun01 file
  3. Launch ContainerLab intop1-tun01.yml topology: 

   containerlab deploy --topo intop1-tun01.yml
4. Destroy ContainerLab intop1-tun01.yml topology: 

   containerlab destroy --topo intop1-tun01.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 intop1-tun01.tst file here
  3. Launch intop1-tun01.tst test: 

   java -jar ../../rtr.jar test tester intop1-tun01 path ./ temp ./ wait
4. Destroy freeRtr intop1-tun01.tst test: 

   Ctrl-C (In freeRtr test window)