Wireshark-dev: Re: [Wireshark-dev] [PATCH] ppp_hdlc in sll
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From: Jaap Keuter <jaap.keuter@xxxxxxxxx>
Date: Wed, 2 May 2007 21:04:19 +0200 (CEST)
Hi,

Checked in.

Thanx,
Jaap

On Wed, 2 May 2007, Matt Addison wrote:

> Problem:
> The existing sll dissector does not handle ppp_hdlc packets (sll.ltype
> == 0x0007).
>
> Resolution:
> Alter packet-sll.c to call the ppp_hdlc dissector when a packet with
> sll.ltype=0x0007 is received.
>
> Why:
> Bringing up a T1 sniffer using a Digium Wildcat TE205P, stock wireshark
> would not recognize the packets as they are delivered as ppp_hdlc in
> sll, this is/has not been an issue for people using these cards to
> terminate ppp in the machine as they can sniff the pppX interface, but
> in a passive monitoring mode like I am trying to set up there is no pppX
> interface- only an hdlcX interface from the zaptel drivers.
>
> Hardware:
> Digium Wildcat TE205P, T1 spans in nethdlc mode in zaptel.conf, set to
> ppp mode using sethdlc then hdlcX interfaces manually brought up with
> ifconfig.
>
>
>
> Patch developed against SVN revision 21635 and applies/compiles clean on
> both Linux (against the 0.99.4 sources used in Debian Etch) and Windows
> (VC2005).
> I'm not subscribed to the -dev list so if you could unicast
> questions/comments to me as well as well as the list that'd be great.
>
> ~Matt
>