Date: Fri, 25 Aug 2000 10:56:48 +0200 (MET DST) From: Juergen Hannken-Illjes <hannken@eis.cs.tu-bs.de> To: ingolf@jellonet.de (Ingolf Koch) Cc: freebsd-isdn@FreeBSD.ORG Subject: Re: i4b on NetBSD_1.5ALPHA2/i386: strange traffic Message-ID: <200008250856.KAA20232@ultra1.eis.cs.tu-bs.de> In-Reply-To: <20000825003455.A20596@maus.local.net> from "Ingolf Koch" at Aug 25, 2000 12:34:55 AM
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These are LCP ECHO packets from ppp:
ff 03 c0 21 09 0b 00 0c 72 5a de 01 00 01 5c ad
| c021 == LCP
| 09 == ECHOREQ (0a == ECHOREP)
--
Juergen Hannken-Illjes - hannken@eis.cs.tu-bs.de - TU Braunschweig (Germany)
> --BXVAT5kNtrzKuDFl
> Content-Type: text/plain; charset=us-ascii
>
> On Thu, Aug 24, 2000 at 10:40:02PM +0200, Gary Jennejohn wrote:
> > The best way to find out what this is is to run isdntrace on the
> > connection.
>
> See the attached isdntrace.log file. There is on the one hand the
> traffic on the D channel (4 bytes). On the other hand, there is
> this strange traffic on the B2 channel (16 bytes each).
>
> Regards
> Ingolf
> --
>
> Ingolf Koch ICQ#60829470 Beste Kneipe in Jena-Ost
> PGP: 0x7B3B5661 213C 828E 0C92 16B5 05D0 4D5B A324 EC04
>
> --BXVAT5kNtrzKuDFl
> Content-Type: text/plain; charset=us-ascii
> Content-Description: ISDN trace log
> Content-Disposition: attachment; filename="isdntrace.log"
>
>
> =========== isdntrace controller #0 =========== started Fri Aug 25 00:26:30 2000
>
> -- NT->TE - unit:0 - frame:000001 - time:25.08 00:26:33.307242 - length:16 -----
> B2:000 ff 03 c0 21 09 0b 00 0c 72 5a de 01 00 01 5c ad ...!....rZ....\.
>
> -- TE->NT - unit:0 - frame:000002 - time:25.08 00:26:33.307242 - length:16 -----
> B2:000 ff 03 c0 21 0a 0b 00 0c 5f f5 9a 92 00 01 5c ad ...!...._.....\.
>
> -- NT->TE - unit:0 - frame:000027 - time:25.08 00:26:39.146927 - length:4 ------
> Dump:000 02 97 01 05 ....
> Q921: SAP=0 (Call Control), C, TEI=75, S-Frame: RR N(R) 2 PF 1
>
> -- TE->NT - unit:0 - frame:000028 - time:25.08 00:26:39.146927 - length:4 ------
> Dump:000 02 97 01 07 ....
> Q921: SAP=0 (Call Control), R, TEI=75, S-Frame: RR N(R) 3 PF 1
>
> -- NT->TE - unit:0 - frame:000003 - time:25.08 00:26:43.306702 - length:16 -----
> B2:000 ff 03 c0 21 09 0c 00 0c 72 5a de 01 00 00 00 00 ...!....rZ......
>
> -- TE->NT - unit:0 - frame:000004 - time:25.08 00:26:43.306702 - length:16 -----
> B2:000 ff 03 c0 21 0a 0c 00 0c 5f f5 9a 92 00 00 00 00 ...!...._.......
>
> -- NT->TE - unit:0 - frame:000029 - time:25.08 00:26:49.386373 - length:4 ------
> Dump:000 02 97 01 05 ....
> Q921: SAP=0 (Call Control), C, TEI=75, S-Frame: RR N(R) 2 PF 1
>
> -- TE->NT - unit:0 - frame:000030 - time:25.08 00:26:49.386373 - length:4 ------
> Dump:000 02 97 01 07 ....
> Q921: SAP=0 (Call Control), R, TEI=75, S-Frame: RR N(R) 3 PF 1
>
> -- NT->TE - unit:0 - frame:000005 - time:25.08 00:26:53.316161 - length:16 -----
> B2:000 ff 03 c0 21 09 0d 00 0c 72 5a de 01 00 01 6f b3 ...!....rZ....o.
>
> -- TE->NT - unit:0 - frame:000006 - time:25.08 00:26:53.316161 - length:16 -----
> B2:000 ff 03 c0 21 0a 0d 00 0c 5f f5 9a 92 00 01 6f b3 ...!...._.....o.
>
> -- NT->TE - unit:0 - frame:000031 - time:25.08 00:26:59.625820 - length:4 ------
> Dump:000 02 97 01 05 ....
> Q921: SAP=0 (Call Control), C, TEI=75, S-Frame: RR N(R) 2 PF 1
>
> -- TE->NT - unit:0 - frame:000032 - time:25.08 00:26:59.625820 - length:4 ------
> Dump:000 02 97 01 07 ....
> Q921: SAP=0 (Call Control), R, TEI=75, S-Frame: RR N(R) 3 PF 1
>
> --BXVAT5kNtrzKuDFl--
>
>
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