DNS issues with Cisco VPN (vpnc) on 15.04

Solution 1:

The problem was that all of our on-network servers are named *.local and this is inherently incompatible with Avahi. More reading.

The solution I used was to edit /etc/nsswitch.conf and change the following line:

hosts: files mdns4_minimal [NOTFOUND=return] dns

To:

hosts: files dns mdns4_minimal [NOTFOUND=return]