The trick here is that you have to manually set both sides.  You would
not believe the number of times that I've seen production networks with
auto-negotiation set on the PC and full duplex/speed 100 manually set on
the switch.  That doesn't work one bit.

Frank Jimenez, CCIE #5738
[EMAIL PROTECTED]

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
Kevin Stone
Sent: Wednesday, December 11, 2002 3:47 PM
To: [EMAIL PROTECTED]
Subject: RE: Auto-Negotiation or Manual Configuration [7:58904]


Just read this article that outlines some of the issues with
auto-negotiation -
http://www.nwfusion.com/columnists/2002/1209tolly.html

We always use manual configuration on network devices, and typically on
computers.  There are always exceptions but they are pretty rare.


-Kevin


> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On
> Behalf Of [EMAIL PROTECTED]
> Sent: Tuesday, December 10, 2002 1:10 PM
> To: [EMAIL PROTECTED]
> Subject: Auto-Negotiation or Manual Configuration [7:58904]
>
>
> From my experience in networking I made my mind that manual
> configuration of speed and mode is the better choice.
>
> Cisco recommends fixed configuration too.
>
> For my surprise,   802.3 specification states:
>
> "It is strongly recommended that Auto-Negotiation be used
> ..." "Manual configuration is not recommended"
>
> That sounds weird for me.  Any thoughts?
> Report misconduct
> and Nondisclosure violations to [EMAIL PROTECTED]




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