Re: Gigabit copper losing half speed but only in one direction! Any ideas?

From: John Berger (spam.sucks.and.spammers.blow_at_nospam.here.com)
Date: 09/14/04 

Date: Tue, 14 Sep 2004 10:35:44 -0400

Rick Jones wrote:

>>It does support JumboFrames, but it's currently deactivated. I
>>ammaking an assumption that it's always been that way. I doubt that
>>any of the other admins would have bothered to look for it since
>>everything worked fine on fibre.
>
> You might check some of the other systems connected to the same switch
> and see if perhaps they had JF enabled. Or, you could snoop some of
> the incoming TCP SYN segments and look at the MSS options.

The other servers either don't support JumboFrames (because of not
having the proper driver revision) or have JumboFrames deactivated. So,
from that respect they're all the same.

There are no TCP options in any packets that I looked at.

Not giving you a lot of information to consider, am I? :)