Ok, i think this problem is related to my router.
When changing to another network the problem goes away. I have tried two other home networks and the vpn functions correctly. Therefore i conclude it is not an ubuntu/vpnc/networkmanager issue.
Ok, i think this problem is related to my router.
When changing to another network the problem goes away. I have tried two other home networks and the vpn functions correctly. Therefore i conclude it is not an ubuntu/ vpnc/networkman ager issue.