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Example: openvpn with blowfish

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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
 cipher blowfish
 hash md5
 key 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
 exit
int tun1
 tunnel vrf v1
 tunnel prot ips
 tunnel mode openvpn
 tunnel source ser1
 tunnel destination 1.1.1.2
 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
 cipher blowfish
 hash md5
 key 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
 exit
int tun1
 tunnel vrf v1
 tunnel prot ips
 tunnel mode openvpn
 tunnel source ser1
 tunnel destination 1.1.1.1
 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-openvpn06 file
  3. Launch ContainerLab crypt-openvpn06.yml topology: 

   containerlab deploy --topo crypt-openvpn06.yml
4. Destroy ContainerLab crypt-openvpn06.yml topology: 

   containerlab destroy --topo crypt-openvpn06.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-openvpn06.tst file here
  3. Launch crypt-openvpn06.tst test: 

   java -jar ../../rtr.jar test tester crypt-openvpn06 path ./ temp ./ wait
4. Destroy freeRtr crypt-openvpn06.tst test: 

   Ctrl-C (In freeRtr test window)