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IP address of a device attached to a port

 
AIN
Occasional Visitor

IP address of a device attached to a port

I am using a 4208vl.  How can I find the IP address of device/computer attached to port.  All I can see is "Excessive Jabbing at port ..." but don't know which device it is.  Thanks for help. 

1 REPLY 1
paulgear
Esteemed Contributor

Re: IP address of a device attached to a port

Hi AIN,

 

You can use 'show mac-address PORTNUM' to find out the MAC addresses known on that port.  Then you need to see the use the default gateway on that VLAN to see the ARP table, which maps IP addresses to MACs (and vice versa).  If this switch is the default gateway, you can use 'show arp vlan VLANNUM' for this.

Regards,
Paul