netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andreas Schwab <schwab@suse.de>
To: "cramerj" <cramerj@intel.com>
Cc: "Andi Kleen" <ak@suse.de>, <jonmason@us.ibm.com>, <netdev@oss.sgi.com>
Subject: Re: Bad UDP checksum with 82540EM
Date: Mon, 09 Feb 2004 01:50:48 +0100	[thread overview]
Message-ID: <jey8rdcbyv.fsf@sykes.suse.de> (raw)
In-Reply-To: <101E0EB68A545748974019DC227C554007CBDD@orsmsx406.jf.intel.com> (cramerj@intel.com's message of "Sun, 8 Feb 2004 15:22:29 -0800")

"cramerj" <cramerj@intel.com> writes:

> Just for clarification...how are you determining a bad checksum?  Are
> you using tcpdump/ethereal on those test machines (that you're
> transmitting from), or are you capturing packets on the wire (from some
> other system receiving the packets).

Actually both.  I have first noticed the issue because my DHCP clients
didn't accept the answers from the server.

> If the former, then please see the following thread.
>
> http://marc.theaimsgroup.com/?t=107422099800006&r=1&w=2
>
> Is this perhaps the issue you're seeing?

I just double checked, the packets are really going out with a bad
checksum.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

       reply	other threads:[~2004-02-09  0:50 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <101E0EB68A545748974019DC227C554007CBDD@orsmsx406.jf.intel.com>
2004-02-09  0:50 ` Andreas Schwab [this message]
2004-02-07 13:35 Bad UDP checksum with 82540EM Andreas Schwab
2004-02-07 21:37 ` Jon D Mason
2004-02-07 22:42   ` Andreas Schwab
2004-02-08  6:46     ` Andi Kleen
2004-02-08 13:09       ` Andreas Schwab

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=jey8rdcbyv.fsf@sykes.suse.de \
    --to=schwab@suse.de \
    --cc=ak@suse.de \
    --cc=cramerj@intel.com \
    --cc=jonmason@us.ibm.com \
    --cc=netdev@oss.sgi.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).