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how i can know to which port in switch my computer is connect if i know the MAC address for PC

Posted on 2008-06-24
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Last Modified: 2008-08-01
hi
how i can know to which port in switch my computer is connect if i know the MAC address for PC
i mean i have many cisco 20 switch  2950-2960 in my network and i have all MAC address for all PC in my network and i want to know each PC to what port in switch is connect
now i can enter to all switch using telnet
can i find way to know each PC to what port in switch is connect
can i find way to know the port connect to which PC from MAC address for this PC

thanks
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Question by:nasemabdullaa
4 Comments
 
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Assisted Solution

by:RPPreacher
RPPreacher earned 100 total points
ID: 21854330
Download the 30 day trial of Solarwinds Engineers Edition (www.solarwinds.com).

Use the switchport mapper.
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Author Comment

by:nasemabdullaa
ID: 21854446
hi
thanks for your reply
can i find way to know the port without using program or must i use program

thanks
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Karl12347 earned 200 total points
ID: 21854495
Use the following switch on your cisco switch

show mac-address-table

Hope this helps.

Karl
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LVL 12

Assisted Solution

by:jjmartineziii
jjmartineziii earned 200 total points
ID: 21855441
if you do:

show mac address-table | b <your mac>

the first line should be something like this. You will have a entry for every device but using the pipe command will start the list at the mac you enter.

2    000d.601b.e2c1    DYNAMIC     Gi2/0/22


Depending on your switch IOS, you may need to use show mac-address-table and now show mac address-table.
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