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Subject: Error: got short packet from ....
From: Jeremy Alves <jalves-cipe,AT,area,DOT,com>
Date: Fri, 8 Mar 2002 07:21:47 +0100

Hi,
I can't seemt to get any traffic to succesfully flow across cipe.
I get a bunch of "got short packet from (the other's sides normal IP)" 
in the log fils, and ifconfig reports errors whenever a side receives
a packet (i.e. ping).

I was running IP tables but I get the same results with those turned
off.  This is with cipe-snapshot-20020227 - I would try 1.5.2, but I'm
using the 2.4.18 linux kernel.

The machines are connected together across a wireless network and a 
wireless access point connected to an ethernet port, and have no 
problems talking to each other through other channels.

Any suggestions?

Here's the output of dmesg:

on a machine with IP 192.168.169.34:
    cipdb: CIPE driver vers 1.6.pre-20020227 (c) Olaf Titz 1996-2000, 100 
channels, debug=1
    cipdb: rtnl_lock() at ../cipe/device.c:671
    cipdb: cipe_alloc_dev 0
    cipdb: rtnl_unlock() at ../cipe/device.c:673
    cipdb0: alloc
    cipdb: read_lock(&tasklist_lock) at ../cipe/device.c:258
    cipdb: read_unlock(&tasklist_lock) at ../cipe/device.c:267
    cipdb0: setpar
    lebf_lock: 1
    cipdb0: setpar 0.0.0.0:0 1000 60000 0200 0
    cipdb0: setkey
    cipdb0: attach
    cipdb0: opened
    cipdb0: cipe_sendmsg
    cipdb0: cipe_recvmsg
    cipdb0: got short packet from 192.168.169.1

and on a machine with IP 192.168.169.1:
    ...
    cipdb0: alloc
    cipdb: read_lock(&tasklist_lock) at ../cipe/device.c:258
    cipdb: read_unlock(&tasklist_lock) at ../cipe/device.c:262
    cipdb0: setpar
    lebf_lock: 1
    cipdb0: setpar 0.0.0.0:0 1000 60000 0200 0
    cipdb0: setkey
    cipdb0: attach
    cipdb0: opened
    cipdb0: cipe_sendmsg
    cipdb0: cipe_recvmsg
    cipdb0: got short packet from 192.168.169.34

The files in /etc/cipe/pk are from the example,
(ipaddr 10.0.2.1 and ptpaddr 10.0.1.1 for one, and
 ipaddr 10.0.1.1 and ptpaddr 10.0.2.1 for the other)
and ip-up and ip-down are identical to the example too.

Thanks for any help.

-Jeremy





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