


He further suggested that I try openconnect istead. Since this appears to be a vpnc limitation Usually this is not too inconvenient, but you may want to consider using either GNU screen or TightVNC if you want to make sure you don't loose any state if you are disconnected unexpectedly. Last but not the least, the Network Manager is a system network service that copes with network connections on the Arch Linux operating system. This is because rekeying is not yet supported in vpnc, and Cisco's default rekey-intervall is 8 hours.

When using vpnc, the connection will always be dropped after it has been up for at most 8 hours, when rekeying occurs. Then a network administrator said the following: Howerver, I run into disconnect problems after 8 hours. In January 2017 I was using vpnc to setup a VPN. How to setup a VPN using openconnect on Linux
