Configuring Unicast Flood Blocking On The Secure Ports - Cisco WS-C6506 Software Manual

Chapter 38 Configuring Port Security
To clear all or a particular MAC address from the list of secure MAC addresses, perform this task in
privileged mode:
Task
Clear all or a particular MAC address from the list
of secure MAC addresses.
Note
This example shows how to clear one MAC address from the secure address list on port 3/37:
Console> (enable) clear port security 3/37 00-00-aa-00-00-aa 20,30
Secure MAC address 00-00-aa-00-00-aa cleared for port 3/37 and Vlan 20.
Secure MAC address 00-00-aa-00-00-aa cleared for port 3/37 and Vlan 30.
Console> (enable)
This example shows how to clear all the MAC addresses from ports 3/37:
Console> (enable) clear port security 3/37 00-00-aa-00-00-aa all
Secure MAC address 00-00-aa-00-00-aa cleared for port 3/37 and Vlan 1.
Secure MAC address 00-00-aa-00-00-aa cleared for port 3/37 and Vlan 20.
Secure MAC address 00-00-aa-00-00-aa cleared for port 3/37 and Vlan 30.
Console> (enable)
This example shows how to clear a MAC address from VLAN 1 on trunk port 2/2:
Console> (enable) clear port security 2/2
Secure MAC address 00-90-2b-03-34-09 cleared for port 2/2 and Vlan 1.
Console> (enable)

Configuring Unicast Flood Blocking on the Secure Ports

To configure unicast flood blocking on a secure port, you must disable the unicast flood feature.
Note The port disables the unicast flooding once the MAC-address limit is reached.
To configure unicast flood blocking on a secure port, perform this procedure in privileged mode:
Task
Step 1
Disable unicast flood blocking on the desired
secure ports.
Step 2 Verify the configuration of the unicast flood.
Step 3 Verify the status of unicast flood blocking.
OL-8978-04
On the trunk ports, you can clear a MAC
address from the list for one or more
specific VLANs by using the VLAN list
parameter. If you specify the all keyword,
the MAC address is cleared from the list
of secure MAC addresses for all the
VLANs on the trunk port.
Command
clear port security mod/port all | mac_addr [all |
vlan_list]
00-90-2b-03-34-09 1
Command
set port security mod/port unicast-flood disable
show port security mod/port
show port unicast-flood mod/port
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
Configuring Port Security on the Switch
38-9