[c-nsp] full duplex mismatch speed - dynamips

[Adam Armstrong]

On 17/08/2010 23:50, Justin M. Streiner wrote:
> On Tue, 17 Aug 2010, Alessandro Braga wrote:
>
>> Verify duplex and speed configurations on interface, the rule is:
>> autoXauto, forcedXforced. If problem not solve, disable cdp.
>
> Also, while auto speed/duplex negotiation is fine for user
> workstation/PC ports in most cases, I recommend against using it on your
> network infrastructure if you can help it.

This is horribly terrible advice.

Autonegotiation should always be used as default, nailing should be the 
fix for when things don't work, and where very old devices don't do 
autoneg properly.

Note that for gigabit, autonegotiation is MANDATORY.

adam.