Wireshark mailing list archives

Re: Ethernet FCS not verified


From: Martin Isaksson <martin.isaksson () ericsson com>
Date: Mon, 4 Jul 2011 18:10:31 +0200

Hi again,

here are two packets - one packet with incorrect FCS and the other with correct FCS (according to version 1.4.2).

Thanks,
Martin

-----Original Message-----
From: wireshark-users-bounces () wireshark org [mailto:wireshark-users-bounces () wireshark org] On Behalf Of Guy Harris
Sent: den 4 juli 2011 18:01
To: Community support list for Wireshark
Subject: Re: [Wireshark-users] Ethernet FCS not verified


On Jul 4, 2011, at 8:53 AM, Martin Isaksson wrote:

Is there something I need to do..?

Send us a sample capture that works with the older versions but not with the newer versions, to make it easier to 
figure out what changed in the Ethernet dissector's "this part of the trailer is probably an FCS" detector (there's no 
explicit indication of whether a frame ends with an FCS, so we just have some heuristics) and to make it easier to test 
whether a fix we make works?

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Attachment: ethernet_fcs.pcap
Description: ethernet_fcs.pcap

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