Router interfaces have different burned-in MAC addresses (BIA), but administrator may configure specific MAC addresses. MAC address is specific to ethernet type interfaces. Gi1/0/1 5 0001.c940.1112 10.10.10.2 8 DHCP Deny 19:39:04 UTC Mon Mar 1 1993 Routers may have interfaces of various types with different datalink protocols. Heres an example: RouterB conf t Enter configuration commands, one per line. Just use the command with the new MAC addressits that simple.
Gi1/0/1 5 673 192.2.10.4 5 DHCP Deny 19:39:01 UTC Mon Mar 1 1993 To change your MAC address on a Cisco router, use the mac-address command while in Interface Configuration Mode. Interface Vlan Sender MAC Sender IP Num Pkts Reason Time Syslog rate : 10 entries per 300 seconds.
SHOW MAC ADDRESS ROUTER CISCO SOFTWARE
From the above you know the MAC Address of for the device: IP Address : 192.168.1.15 MAC Address : 0000.1111.1111 Now, do a Finding Mac Address For Cisco Access Control Software show mac-address command on the core switch or router. To my surprise, the 7200 did not seem to have 'Show mac address-table', i wanted to do a Show mac address-table wildcard search. I was trying to find an a single specific mac address. Switch# show ip arp inspection log Total Log Buffer Size : 32 Finding Mac Address For Cisco Access Control top . Cisco 7200 - No 'Show Mac Address-Table' Command I had a chance to log into a Cisco 7200 today. Once again, this is not a real solution, so be mindful that it may as well not work at all.Įdit: sample output from Cisco Catalyst command index pages: If the end device triggered some sort of log event, for instance a DHCP reject, it will be identifiable by looking the log data since the output will display interface, MAC address, and IP address on the same output line. Which will output the contents of the log buffer before the buffer was flashed. Though this is not exactly a solution, you can try
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