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how do i get the IP address of the Machine

awdhoot_t
Level 1
Level 1

suppose i connected one ip phone to the switch and one machin to that ip phone. i know only the MAC Address of the IP phone and i want to know the IP address of the system which is connected to the IP phone with the help of command on switch.... is thr any command on switch

3 Replies 3

Adrian Saavedra
Level 7
Level 7

Hi awdhoot_t,

In the switch, use the command:

Switch# sh mac-address-table interface

where is the switchport where you plug the IP Phone.

Then you can use sh arp.

Hope this helps you, if so please rate.

Best regards,

- Adrián.

show mac- | i aaaa.aaaa.aaaa

Use mac address in lower case form.

Then if your output is similar to this:

232 000d.290b.e3af DYNAMIC Fa0/21

Do a 'show mac- | i Fa0/21'

This will tell you the other MAC on the port. Sh arp will not because it's a layer 3 command.

-nick

Hello Nick,

But, he wants to know IP address of the machine attached to IP Phone...

Best regards,

- Adrián.

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