[ax25-layer2] AX.25 over raw serial interface

[Can Yuce]

Thanks Samuel, in fact I don't deal with any other protocols slip, ppp etc.
over
the line since the main purpose of  using the system is to experiment AX.25
packet structures under laboratory conditions. As I've mentioned before,
our standalone modems need to be connected to the DTE equipment(PCs)
by RS-232 interface so, we don't need special caution for flow, error
control, sync etc.


--
Can Yuce


On Wed, Jul 29, 2009 at 10:26 PM, Samuel A. Falvo II <sam.falvo at gmail.com>wrote:

> On Wed, Jul 29, 2009 at 12:13 PM, Jay Nugent<jjn at nuge.com> wrote:
> >   On a JNOS system, this would simple be known as a "slip' link.  But I
> > am presuming you are not running JNOS.
>
> I'm not familiar with JNOS, but if JNOS' slip is what I think it is,
> "slip" is a different protocol from AX.25.  The Serial Line IP
> protocol is a raw frame-relay protocol that wraps packets in $C0
> bytes.  No source/destination addresses, control, or type fields.  No
> CRCs either.  If data gets corrupted on a serial link, you're screwed.
>  But, that's OK, because it's operating under the assumption that TCP
> will pick up the slack.
>
> I interpreted Can's request as the ability to pass raw AX.25 frames
> between two machines.  In this case, PPP is the closest available
> relative (since both AX.25 and PPP are HDLC protocols), but as this is
> the AX.25 SIG list... ;D
>
> --
> Samuel A. Falvo II
>
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