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Example: wireguard over ipv6

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r1

hostname r1
vrf def v1
 rd 1:1
 exit
int ser1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 exit
crypto ipsec ips
 key EFw2rJEdqFGDgC80um3fwMmAafwqXno+PsbMHPZ0umM=M6vDV8QdiWDQppVKjKf8xjoKtyGAeRK/Ue48kwKI5Ss=
 exit
int tun1
 tunnel vrf v1
 tunnel prot ips
 tunnel mode wireguard
 tunnel source ser1
 tunnel destination 1234::2
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.0
 ipv6 addr 4321::1 ffff::
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
int ser1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.0
 ipv6 addr 1234::2 ffff::
 exit
crypto ipsec ips
 key 6JhyvKPutQ9DNLupOPmDnQLRWtUWlUjI6PTJ/IZ9l1w=bQMmpCaGVyq9f+v48XGmfH5DMLytkqziID+rBH+qQic=
 exit
int tun1
 tunnel vrf v1
 tunnel prot ips
 tunnel mode wireguard
 tunnel source ser1
 tunnel destination 1234::1
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.0
 ipv6 addr 4321::2 ffff::
 exit

r1 tping 100 5 2.2.2.2 vrf v1
r2 tping 100 5 2.2.2.1 vrf v1
r1 tping 100 5 4321::2 vrf v1
r2 tping 100 5 4321::1 vrf v1
  1. Install ContainerLab as described here
  2. Fetch crypt-wireguard02 file
  3. Launch ContainerLab crypt-wireguard02.yml topology: 

   containerlab deploy --topo crypt-wireguard02.yml
4. Destroy ContainerLab crypt-wireguard02.yml topology: 

   containerlab destroy --topo crypt-wireguard02.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 crypt-wireguard02.tst file here
  3. Launch crypt-wireguard02.tst test: 

   java -jar ../../rtr.jar test tester crypt-wireguard02 path ./ temp ./ wait
4. Destroy freeRtr crypt-wireguard02.tst test: 

   Ctrl-C (In freeRtr test window)