Just realised that I was taling rubbish in my previous post!
To confirm: steps in comment 26 above fixes/works-around my dead peer detection issue when connecting to a PIX 515E.
Bug: https://bugs.launchpad.net/ubuntu/+source/network-manager-vpnc/+bug/92570 is totally unrelated and the new .deb supplied in comment #19 of that bug report fixes an issue in package network-manager-vpnc and not package vpnc.
Just realised that I was taling rubbish in my previous post!
To confirm: steps in comment 26 above fixes/works-around my dead peer detection issue when connecting to a PIX 515E.
Bug: https:/ /bugs.launchpad .net/ubuntu/ +source/ network- manager- vpnc/+bug/ 92570 is totally unrelated and the new .deb supplied in comment #19 of that bug report fixes an issue in package network- manager- vpnc and not package vpnc.