How to find out the IP of the switch by mac address?

A

ashkerr2014-08-05 08:40:36

Cisco

ashkerr, 2014-08-05 08:40:36

Good afternoon, the snag is this: there is an average network of 200+ L2 switches, as well as several L3 routers, mostly cisco 7600, you need to find a switch with a given poppy address.
Commands "sh mac address-table address ..." , "sh arp " in the table does not display anything for this poppy.
What other method can be used to solve this problem?

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4 answer(s)

K

Konkase, 2014-08-05
@ashkerr

Networks for all switches different?

V

Valentin, 2014-08-05
@vvpoloskin

We track it in a chain from the ports of L2 switches. Not the fact that this poppy is generally a switch.

S

Sergey, 2014-08-05
@bk0011m

Are you sure that this switch has an IP address at all?
Maybe it is not assigned to any interface, or it is assigned, but in some "left" VLAN?!
I think the most correct way is to physically approach the switch with a laptop, connect with a serial cable (such a blue one) and see its settings through the terminal. If you know your username and password of course.

A

Ars1s, 2014-08-06
@Ars1s

The question is how did you even get into the network with 200+ switches?
I so understand that you use cisco. Then, you need to read in the direction of cdp.