Ethereal-users: [Ethereal-users] problem with vlan tags

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From: Alexander Sirotkin <demiurg@xxxxxx>
Date: Tue, 22 Feb 2005 17:26:35 +0200
Hi.

I'm having a weird problem trying to sniff some traffic with VLAN tag.
My Linux box (2.4.20) is configured to support vlans (add vlan tag to
outgoing packets and remove vlan tag from incoming packets). When I
capture packets on the vlan enabled interface (eth0.42, with 42 being vlan id, 
for instance) all packets appear normal and without vlan tag. When I capture
packets on the eth0 interface, outgoing packets look OK (including vlan tag)
but icoming packets show some weird values in ethertype field, yet OS seem
to process them OK.

My configuration :
kernel : 2.4.20
ethereal 0.10.0a
pcap : 0.8.3

Any ideas ? Thanks...

--
Alexander Sirotkin
SW Engineer

Texas Instruments
Broadband Communications Israel (BCIL)
Tel:  +972-9-9706587
________________________________________________________________________
"Those who do not understand Unix are condemned to reinvent it, poorly."
-- Henry Spencer