[afnog] Discover IPs Connected to Cisco Switch

daniel Onwude igevioya at gmail.com
Fri Dec 4 07:35:18 UTC 2009


This depends on the kind of switch you have.

A L2 switch does not have any knowledge of IPs (so you wont be able to
see the IP's connected to the switch)

In this case use the mac address table (sh mac-add) to discover all the
mac connected the the switch

The use the arp table of the terminating L3 device to resolve the IP to mac.

Rgds
dan

Eliufoo C. Mahinda wrote:
> Hi Team,
>
> How can i discover IPs address that are connected to a Cisco switch?
>
> Thanks,
> Elly
>
>
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