Cisco’s VPN software likes to stop working on occasion. The typical solution is to run the following:
sudo kextunload -b com.cisco.nke.ipsec
sudo kextload -b com.cisco.nke.ipsec
Here’s a shortcut to restart services (I presume when they have a startup item, e.g.
sudo SystemStarter restart CiscoVPN
Thanks to Tim for pointing out this post