Commands are like NET/ROM, except that you have to set the downlink interface
when you want to connect an AX.25 station that's not on the LAP frequency.

CONNECT nodecall                Connect another node (call or alias)
CONNECT ax25call [VIA digis]    Connect an AX.25 user on the downlink interface
INFO                            Show this information
MHEARD                          Show MHEARD list of the downlink interface
MHEARD interface                Show MHEARD list of any interface
NODES                           Show local access NODES
NODES *                         Show all NODES
NODES * *                       Show complete NODES info
NODES nodecall                  Show info about a single NODE (call or alias)
PORTS                           Show available interfaces
PORTS downlink_interface        Set the downlink interface
ROUTES                          Show routes to neighbor nodes
USERS                           Show connected users