An existing network managed by a 3rd party contains routers of the same subnet (in this case 192.168.0.0/24) and is connected to a central infrastructure using a VPN tunnel. All connections are force to go through the tunnel, i.e. Router A and Router...

I'm trying to debug a Cisco VPN setup as part of a Uni Lab (so please don't worry about posting of keys etc. it's just a toy setup with no internet facing connection).I want to decrypt the IKEv1 traffic I'm capturing to work out what is going wrong. ...