[OZAPRS] AX25 under Debian sending non APRS packets

[Andrew Rich]

Nice one,

Looks like your IP is getting into you ax25 somehow

;-)

I run aprsd here, but I have not patched the kernel for ax25.

I use a TNC in terminal mode for aprsd.



-----------------------------------------
Andrew Rich
Amateur radio callsign VK4TEC
email: vk4tec at tech-software.net <mailto:vk4tec at tech-software.net>
web: http://www.tech-software.net
Brisbane AUSTRALIA



-----Original Message-----
From: ozaprs-bounces at aprs.net.au [mailto:ozaprs-bounces at aprs.net.au]On
Behalf Of Craig Cook
Sent: Saturday, 29 April 2006 9:17 PM
To: VK / ZL APRS Users
Subject: Re: [OZAPRS] AX25 under Debian sending non APRS packets


Adrian, this msg notintended for me. Craig Cook VK3CMC.

73

----- Original Message -----
From: "Adrian Snell" <rfhead at internode.on.net>
To: "VK / ZL APRS Users" <ozaprs at aprs.net.au>
Sent: Saturday, April 29, 2006 16:17
Subject: Re: [OZAPRS] AX25 under Debian sending non APRS packets


> Additional thought acually TCP chat wont work to capture the UDP data.
just
> grab it from the serial port using a terminal program.
> ----- Original Message -----
> From: "Adrian Snell" <rfhead at internode.on.net>
> To: <craig at craigturner.id.au>; "VK / ZL APRS Users" <ozaprs at aprs.net.au>
> Sent: Saturday, April 29, 2006 3:45 PM
> Subject: Re: [OZAPRS] AX25 under Debian sending non APRS packets
>
>
> > Hi Craig
> > It appears that 192.168.1.1 is sending a broadcast (assuming the net
mask
> is
> > 255.255.255.0). If you can capture the data in the UDP frame (say with
TCP
> > chat) then you can see what the cause is. Depending on what the routes
on
> > the box are, this could be due to other interfaces (ethernet etc) on
the
> box
> > needing data eg anything from address resolution, SNMP even possibly
DHCP
> > etc etc
> >
> > Regarding the other problem of needing to be root. This is most likely
a
> > permissions problem with the dev files. Make sure that whatever user
is
> > going to run the AX25 has read/write permissions for the ax0 device.
> >
> > regards
> >
> > Adrian VK5ZSN
> >
> > ----- Original Message -----
> > From: "Craig Turner" <craig at craigturner.id.au>
> > To: <vk3jfk at amsat.org>; "VK / ZL APRS Users" <ozaprs at aprs.net.au>
> > Sent: Saturday, April 29, 2006 11:24 AM
> > Subject: [OZAPRS] AX25 under Debian sending non APRS packets
> >
> >
> > > Hi,
> > >
> > > I'm running the latest version of Debian and using an TNC-X. I have
> > > configured AX25 in accordance with the AX 25 How To (I think!!) and
am
> > > running xastir.
> > >
> > > I want to run APRSD, so that I can have a headless box relaying APRS
> data
> > > within my home network.
> > >
> > > At the moment its all working almost perfectly. I can only use the
AX0
> > > interface as root, so at the moment I have to run xastir as root to
> access
> > > the radio port. I am not sure how to resolve this at the moment, it
may
> be
> > > because I am starting the ax25 interface from a console script as
root.
> > > Anyway, thats not my main problem...
> > >
> > > xastir transmits and recieves fine, but occasionally (appears to be
> about
> > > 10 minute intervals, but not 100% sure) the TNC sends a packet that
goes
> > > for about 20 seconds or so.
> > >
> > > I've managed to decode the packets and they are:
> > >
> > > VK1HCT-1>QST>UI,?
> > >   IP: UDP, Source: 192.168.1.1, Dest: 192.168.1.255, Len: 252
> > > VK1HCT-1>QST>UI,?,CC
> > >   IP: UDP, Source: 192.168.1.1, Dest: 192.168.1.255, Len: 33
> > > VK1HCT-1>QST>UI,?,CC
> > >   IP: UDP, Source: 192.168.1.1, Dest: 192.168.1.255, Len: 235
> > >
> > > 192.168.1.1 being the IP number I have assigned to AX0 port. It
looks
to
> > > me like some process is either pinging the port or sending a beacon.
At
> > > this point APRSD isn't running.
> > >
> > > Any suggestions for where to start looking? I want to be able to
leave
> the
> > > station on 24hrs a day, but at the moment I don't want it to congest
the
> > > network with these packets.
> > >
> > > Regards
> > > Craig
> > > VK1HCT
> > > _______________________________________________
> > > Ozaprs mailing list
> > > Ozaprs at aprs.net.au
> > > http://aprs.net.au/mailman/listinfo/ozaprs
> >
> > _______________________________________________
> > Ozaprs mailing list
> > Ozaprs at aprs.net.au
> > http://aprs.net.au/mailman/listinfo/ozaprs
>
> _______________________________________________
> Ozaprs mailing list
> Ozaprs at aprs.net.au
> http://aprs.net.au/mailman/listinfo/ozaprs
>


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