@item dump graph
Dump a graph of the VPN in dotty format.
+@item info @var{node} | @var{subnet} | @var{address}
+Show information about a particular @var{node}, @var{subnet} or @var{address}.
+If an @var{address} is given, any matching subnet will be shown.
+
@item purge
Purges all information remembered about unreachable nodes.