[c-nsp] Catalyst 4503 problem?

[Brad Henshaw]

> Niels Bakker wrote:
> 
>* rbiotg at gmail.com (Robert Bugala) [Tue 13 Feb 2007, 12:04 CET]:
>>I have two catalyst 4503, both running L3 software. Both catalyst are 
>>connected together with single ethernet cable. Ports on both catalysts 
>>are configured as routed ports, all other configuration is same. Both 
>>cats got Supervisor II+TS.
>
>Is that a crossed cable?  Generally, configuring speed and duplex 
>manually disables autonegotiation and Auto-MDI(X) along with it.
>
>For a GigE crosscable you need to cross more wires than just 1,3 and 2,6.

Autonegotiation is also specified as mandatory for 1000Base-T so is
probably best left enabled. Starting at layer 1, try setting speed/duplex
to auto and using a straight-through cable, assuming the modules you're
using support Auto-MDIX as mentioned by Niels.

Regards,
Brad