Installation guide

Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards
How to Configure EtherSwitch HWICs
69
Cisco IOS Release 12.3(8)T4
OL-6454-01
DETAILED STEPS
Beginning in privileged EXEC mode, follow these steps to remove a secure address.
SUMMARY STEPS
1. configure terminal
2. no mac-address-table secure hw-addr vlan vlan-id
3. end
DETAILED STEPS
You can remove all secure addresses by using the clear mac-address-table secure command in
privileged EXEC mode.
Verifying Secure Addresses
Use the show mac-address-table secure command to verify configuration:
Router# show mac-address-table secure
Configuring Static Addresses
A static address has the following characteristics:
• It is manually entered in the address table and must be manually removed.
• It can be a unicast or multicast address.
• It does not age and is retained when the switch restarts.
Because all ports are associated with at least one VLAN, the switch acquires the VLAN ID for the
address from the ports that you select on the forwarding map. A static address in one VLAN must be a
static address in other VLANs. A packet with a static address that arrives on a VLAN where it has not
been statically entered is flooded to all ports and not learned.
Command Purpose
Step 1
Router# configure terminal
Enters global configuration mode.
Step 2
Router(config)# mac-address-table secure
address hw-addr interface interface-id vlan
vlan-id
Enters the MAC address, its associated port, and the
VLAN ID.
Step 3
Router(config)# end
Returns to privileged EXEC mode.
Command Purpose
Step 1
Router# configure terminal
Enters global configuration mode.
Step 2
Router(config)# no mac-address-table secure
hw-addr vlan vlan-id
Enters the secure MAC address, its associated port, and
the VLAN ID to be removed.
Step 3
Router(config)# end
Returns to privileged EXEC mode.