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Example: skip over skip

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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
 exit
crypto ipsec ips
 cipher des
 hash md5
 key tester
 exit
int tun1
 tunnel vrf v1
 tunnel prot ips
 tunnel mode skip
 tunnel source ethernet1
 tunnel destination 1.1.1.2
 vrf for v1
 ipv4 addr 2.2.2.1 255.255.255.0
 exit
int tun2
 tunnel vrf v1
 tunnel prot ips
 tunnel mode skip
 tunnel source tun1
 tunnel destination 2.2.2.2
 vrf for v1
 ipv4 addr 3.3.3.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 exit

r2

hostname r2
vrf def v1
 rd 1:1
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.2 255.255.255.0
 exit
crypto ipsec ips
 cipher des
 hash md5
 key tester
 exit
int tun1
 tunnel vrf v1
 tunnel prot ips
 tunnel mode skip
 tunnel source ethernet1
 tunnel destination 1.1.1.1
 vrf for v1
 ipv4 addr 2.2.2.2 255.255.255.0
 exit
int tun2
 tunnel vrf v1
 tunnel prot ips
 tunnel mode skip
 tunnel source tun1
 tunnel destination 2.2.2.1
 vrf for v1
 ipv4 addr 3.3.3.2 255.255.255.0
 ipv6 addr 1234::2 ffff::
 exit

r1 tping 100 5 3.3.3.2 vrf v1
r2 tping 100 5 3.3.3.1 vrf v1
r1 tping 100 5 1234::2 vrf v1
r2 tping 100 5 1234::1 vrf v1
  1. Install ContainerLab as described here
  2. Fetch crypt-skip03 file
  3. Launch ContainerLab crypt-skip03.yml topology: 

   containerlab deploy --topo crypt-skip03.yml
4. Destroy ContainerLab crypt-skip03.yml topology: 

   containerlab destroy --topo crypt-skip03.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-skip03.tst file here
  3. Launch crypt-skip03.tst test: 

   java -jar ../../rtr.jar test tester crypt-skip03 path ./ temp ./ wait
4. Destroy freeRtr crypt-skip03.tst test: 

   Ctrl-C (In freeRtr test window)