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Hoe to find ip address of neighbouring switch

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Last Modified: 2012-06-27
I have a Cisco 1841 series router that it connected to a 3com switch through the FastEthernet port. I am trying to find out the ip address of the switch attached to the router.

I have tried a SH CDP NEI but when I do this it informs me that the router is connected through the interfaces f0/0 and f0/1.

Is there any other command that I can loo at without trying to telnet to all the devices in the arp table?
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