@puck.nether.net
Subject: Re: [c-nsp] Windows server hangs connected to 3750
Responses inline...
Damien,
What sort of troubleshooting have you done thus far ?
Some questions/suggestions:
* check to make sure MAC addresses on the servers aren't the same. Sounds
strange but I've had
Hm, are the servers configured in some kind of active/failover or somesuch?
I vaguely remember the default Windows method of failover causing no end
of trouble to default-configured Cisco switches as MAC addresses pingpong
between ports..
Adrian
On Wed, Nov 26, 2008, Vigar, Damien wrote:
Hi
Hello,
some 1000T SFP are 1000-Full only and does not support auto
negotiation. You can try set 1000-Full on the servers and check if
that helps.
Regards,
David
On Wed, Nov 26, 2008 at 6:17 AM, Vigar, Damien
[EMAIL PROTECTED] wrote:
Hi all,
We are experiencing an issue with Windows 2003R2
server hangs connected to 3750
To: cisco-nsp@puck.nether.net cisco-nsp@puck.nether.net
Date: Wednesday, 26 November, 2008, 4:17 PM
Hi all,
We are experiencing an issue with Windows 2003R2 servers
connected to our 3560/3750 switches via a 1000T SFP GBIC.
The servers appear to hang, responding
What NIC(s) do you have in the server?
Frank
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Vigar, Damien
Sent: Tuesday, November 25, 2008 11:18 PM
To: cisco-nsp@puck.nether.net
Subject: [c-nsp] Windows server hangs connected to 3750
Hi all,
We
:[EMAIL PROTECTED] On Behalf Of Vigar, Damien
Sent: Tuesday, November 25, 2008 11:18 PM
To: cisco-nsp@puck.nether.net
Subject: [c-nsp] Windows server hangs connected to 3750
Hi all,
We are experiencing an issue with Windows 2003R2 servers connected to our
3560/3750 switches via a 1000T SFP
Message-
From: David Granzer [mailto:[EMAIL PROTECTED]
Sent: Wednesday, 26 November 2008 7:20 PM
To: Vigar, Damien
Cc: cisco-nsp@puck.nether.net
Subject: Re: [c-nsp] Windows server hangs connected to 3750
Hello,
some 1000T SFP are 1000-Full only and does not support auto
negotiation. You
-nsp] Windows server hangs connected to 3750
Hm, are the servers configured in some kind of active/failover or somesuch?
I vaguely remember the default Windows method of failover causing no end
of trouble to default-configured Cisco switches as MAC addresses pingpong
between ports..
Adrian
: [c-nsp] Windows server hangs connected to 3750
One issue I've seen with 2003R2 is that it implemented Chimney (TCP checksum
offloading) by default which has caused us endless grief with really bad TCP
performance. It seems network drivers shipped with 2003R2 were not really
ready
Responses inline...
Damien,
What sort of troubleshooting have you done thus far ?
Some questions/suggestions:
* check to make sure MAC addresses on the servers aren't the same. Sounds
strange but I've had it before (from a reputable vendor whose name is
abbreviated to 3 letters).
No,
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