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North American Network Operators Group

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RE: Weird networking issue.

  • From: Jeffrey Wheat
  • Date: Tue Jan 07 17:41:29 2003

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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