Sporadic low network performance, too.

[Steve Baroti]

you are just all right.
we  saw advertised capabilities on the switch port as:
10HD, 10FD, 100HD, 100FD, 1000FD and I wanted just to have only 1000FD 
and with Current Flow Control Enabled.


Ed Wilts wrote:

> On Thu, Jan 06, 2005 at 04:35:19PM -0500, Steve Baroti wrote:
> 
>>Hi David,
>>
>>We are running the same kernel (2.4.21-27.0.1.ELsmp) on a Dell PE 2500 
>>with two qla2200 cards - from the end of December 2004, and we started 
>>to notice "Sporadic low network performance" on the main webserver: 
>>connections dropped on the webserver or ssh sessions time out. We will 
>>fix the speed on switch port (1Gb), disabling autonegotiation. Maybe it 
>>is a e1000 driver issue?
> 
> 
> If it's an e1000 then you're on a GigE network, right?  Then you can't
> disable autonegotiation - this is mandated in the protocol spec.
> I've personally only seen autonegotiation issues with 100mbps
> connections.
>