[Dxspider-support] User 'ping' sequence?

Dirk Koopman djk at tobit.co.uk
Wed Jan 14 18:41:27 GMT 2004


> I apoligize for not being more clear in my first posting. This appears
> to only  happen on on the RF ports. But it's not a PC51 or other cluster
> protocol query.  It's just a simple ax25 data [RR] frame, here's an
> example as monitored via  AGWTerminal:
>
>  1:Fm W4QB To HSVDX4-2 <RR P/F R1 >[18:22:06]
>  1:Fm HSVDX4-2 To W4QB <RR P/F R1 >[18:22:07]
>  2:Fm W4QB To N4NM <RR P/F R0 >[18:22:10]
>  2:Fm N4NM To W4QB <RR P/F R0 >[18:22:12]
>
> NOTE: Port 1 is LAN backbone node-to-node, Port 2 is a user channel.
>
> It appears to be a handshake of some sort, like "hey, are you still
> there?"  query. This is what I meant by 'ping'. This happens with every
> RF connected  station whether user or node, and at approximately 1
> minute intervals.

This is normal AX25 traffic. This is what keeps connections alive. AFAIK
there is nothing new in this

Dirk






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