How to Block Mac Address on Cisco Switch?

Posted in  mac | 2022-03-22

How do I Block a Specific MAC Address?

Select the Restrict access by MAC address check box.
Click Add.
Type the MAC address of the computer or device to give it access to the specified interface.
Optional Type a Name for the computer or device to identify it in the list.
Click OK.

How do I Filter the MAC Address of a Cisco Switch?

To do this, you can specify source and destination MAClayer Ethernet addresses to be filtered at the source incoming port of a switch. The MAC address to be filtered can be unicast, multicast, or broadcast. To start the MAC Address Filtering application, select Tools>MAC Address Filter.

How do I Limit a MAC Address on a Cisco Switch Port?

The upper limit of 3,000 guarantees one MAC address per port and an additional 3,000 across all ports in the system. In Cisco Catalyst 2900XL/3900XL switches, issue the port security [maxmaccount addresses] command to set the maximum number of secure addresses that this port can support.

How do I Remove a Sticky MAC Address from a Cisco Switch?

To delete all the sticky addresses on an interface or a VLAN, use the no switchport portsecurity sticky interface interfaceid command. dynamic command. The address keyword enables you to clear a secure MAC addresses .