Last Change: 2018-09-07, 16:50
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axparms − Configure AX.25 interfaces.
axparms -assoc|-forward|-route|-setcall|-version ...
The axparms command is designed to be a multi-function command that allows miscellaneous commands to be issued to the Linux AX.25 protocol layer. It includes the functionality of axassociate and axsetcall which this command superceedes. The different modes of the command are chosen by the first argument. Sunsequent arguments depend upon this argument and so no generalised command format can be given.
The format of this option is:
axparms -assoc <callsign> <username>
axparms -assoc <callsign> delete
axparms -assoc policy [default|deny]
axparms -assoc show
This option mainpulates the kernel uid/callsign mapping table, allowing callsigns to be associated and dis-associated with a user. The policy option permits the superuser to have all other uid’s either default to the actual port name, or to block traffic.
At power up the table is blank and the policy is ’default’, which is thus backward compatible.
Allows the use of many receivers with one transmitter, known as packet forwarding in many systems. The format of this command is:
axparms -forward <portfrom> <portto>
axparms -forward <portfrom> delete
Any packets to be transmitted on port portfrom will be transmitted on port portto. This will stay in force until the second form of the command is issued which will remove the association.
This option allows the internal AX.25 routing table to be manipulated. This table is available for reading in /proc/net/ax25_route, and will be built up dynamically by stations heard. However it is possible to add, delete and list entries via this option.
The formats of this option are:
axparms -route add <port> <callsign> [<digis>] [-ipmode V|D]
axparms -route del <port> <callsign>
axparms -route list
Routes added via this command will not be removed from the internal routing table when they are “old” as normal entries are. The -ipmode option sets mode vc or mode datagram for this destination.
If the <callsign> argument is set to “default” then this will set the default route for all outgoing AX.25 connections which will be used when there is no specific route to the required destination.
The format of this option is:
axparms -setcall <serial-device> <callsign>
This changes the callsign associated with the given serial device in KISS mode. The change is permanent until the link is downed or another “axparms -setcall” is made.
The interface must already have been attached with kissattach to use this option.
This option displays the version of the AX.25 utilities that axparms belongs to.
/proc/net/ax25_bpqether
/proc/net/ax25_calls
/etc/ax25/axports
call(1), getsockopt(2), setsockopt(2), ax25(4), axctl(8), axports(5).
Alan Cox GW4PTS <alan AT cymru DOT net>
Jonathan Naylor G4KLX <g4klx AT g4klx DOT demon DOT co DOT uk>
Joerg Reuter DL1BKE <jreuter AT poboxes DOT com>