connectivity issue on Cisco 2811

Aerison_ddawes · ‎03-09-2012

Hi all,

I'm having an issue with my Cisco 2811. The Internal FastEthernet0/1 interface is showing Link up but Protocol down. I have tried various combinations with the speed and duplex on the port and having no luck.

The port connects to our Fortigate 110c router. Your assistance with this is appreciated.

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Edison Ortiz · ‎03-09-2012

Router-to-Router needs a crossover cable.

Regards,

Edison

Aerison_ddawes · ‎03-09-2012

cabling between devices was already there and was working. The only change was to the port speed and duplex on the port. I changed this port to Auto Auto by mistake - should have been interface 0/0. I have reverted settings back but port still won't come up.

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Edison Ortiz · ‎03-09-2012

You can do 'shut' followed by 'no shut' on the Cisco side, this will reset the port state.

Not sure if they are similar commands in the other router.

Aerison_ddawes · ‎03-09-2012

II will give that a try but assuming that those commands would be equivalent of restarting router which I've done many times already?

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Edison Ortiz · ‎03-09-2012

Both routers? Try swapping the cables..