Even Cisco states in some of their documentation that it is best to pin the interfaces to match both ends. I have had many a strange issue with auto negotiation depending on which side was up first. Additionally, TAC usually says to never trust auto negotiation. Regards, Jeff

-----Original Message----- From: Braun, Mike [mailto:MBraun@firstam.com] Sent: Tuesday, January 07, 2003 5:22 PM To: nanog@merit.edu Subject: RE: Weird networking issue.

I think we all agree that autonegotiation is evil, and should be avoided whenever possible. When you are looking for the

-----Original Message----- From: Peter E. Fry [mailto:pfry@swbell.net] Sent: Tuesday, January 07, 2003 1:18 PM To: nanog@merit.edu Subject: Re: Weird networking issue.

"David G. Andersen" wrote:

...

Rule number 1 with any ethernet: Check to make sure you have the duplex and rate statically configured, and configured

identically on

...

both ends of the connection. [...]

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