290 Address Table Commands
Default Configuration
No forbidden addresses are defined.
Command Mode
Global Configuration mode
User Guidelines
Before defining forbidden ports, ensure that the Multicast group is registered.
Examples
In this example the MAC address 0100.5e02.0203 is forbidden on port 2/0/9
within VLAN 8.
console(config)#mac address-table multicast forbidden
address vlan 8 0100.5e02.0203 add gigabitethernet
2/0/9
mac address-table multicast forbidden forward-unregistered
Use the mac address-table multicast forbidden forward-unregistered
command in Global Configuration mode to forbid forwarding unregistered–
multicast–addresses. Use the no form of this command to return to the
default.
Syntax
mac address-table multicast forbidden forward-unregistered vlan
vlan-id
mac-multicast-
address
MAC Multicast address
in the format xxxx.xxxx.xxxx.
ip-multicast-address
IP Multicast address.
interface-list
Specify a comma separated list of interfaces, a range of
interfaces, or a combination of both. Interfaces can be port-
channel numbers or physical ports in unit/slot/port format.
Parameter Description
2CSPC4.XCT-SWUM2XX1.book Page 290 Monday, October 3, 2011 11:05 AM