Ethereal-dev: Re: [ethereal-dev] FCS showing up as data in packet decodes

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From: Richard Sharpe <sharpe@xxxxxxxxxx>
Date: Wed, 05 May 1999 20:22:24 +0900
Hi Gilbert Ramirez <gramirez@xxxxxxxxxx>,

Gilbert, some answers below.  BTW, I get a bounce using the address
gramirez@xxxxxxxxxx.

At 04:23 PM 5/4/99 -0500, you wrote:
>On Tue, May 04, 1999 at 04:11:58PM -0500, Richard Sharpe wrote:
>> 
>> Hi,
>> 
>> I was chasing down some invalid packet lengths in dissect_tftp, and it
>> seems to me that all ethernet packets have an FCS on the end, and in a lot
>> of cases we are treating it as data, which screws things up.
>> 
>> Am I correct in this? If so, I suspect that we need to deal with it.
>> 
>> However, packets captured from the loopback interface do not seem to have
>> an FCS.
>
>Which operating system and ethernet NIC are you using? Also, is this
>from a libpcap capture (that is, generated from ethereal or tcpdump)?

Libpcap, Linux, Xircom PS2CE PCMCIA ... 

>--gilbert


Regards
-------
Richard Sharpe, sharpe@xxxxxxxxxx, NIC-Handle:RJS96
NS Computer Software and Services P/L, 
Ph: +61-8-8281-0063, FAX: +61-8-8250-2080, 
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