Ethereal-users: [Ethereal-users] Re: finding crc errors

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Date: Tue, 31 Aug 2004 17:19:33 -0500
Hi Michael, Thanks for the tip. Can you or someone on the lists share some points on how to pinpoint a problem in an application like poor performing network application in WAN? What are the things that I need to look at? What are some errors that I will see in Ethereal that will tell me that network is in bad shape? Thanks guys for any help. It will be greatly appreciated. Neil Michael Tuexen writes:
Hmm. TCP has no CRC, it is a checksum. But if you want to search for
checksum errors, do the following:
1. Select 'Find Packet' in the 'Edit Menu'.
2. Type in the text field next to the 'Filter' button: tcp.checksum_bad
3. Click on the 'Find' Button.
Best regards
Michael On Aug 31, 2004, at 9:55 PM, Neil wrote:
Hey guys,
I'm looking for a way for finding crc errors in TCP header just like how it was mentioned here, http://www.networkuptime.com/tips/crc_in_tcp/index.html Unfortunately, it is not for Ethereal. So how do we search CRC problems in Ethereal? Can someone walk me through please?
Thanks.
Neil
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