Installation guide

Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards
How to Configure EtherSwitch HWICs
32
Cisco IOS Release 12.3(8)T4
OL-6454-01
Note Note We recommend that you avoid configuring the hello time, forward delay time, and maximum age
time manually after configuring the switch as the root bridge.
To configure the switch as the root, use the following command in global configuration mode:
Disabling Spanning Tree
To disable spanning tree on a per-VLAN basis, use the following command in global configuration mode:
Verifying that Spanning Tree is Disabled.
Use the show spanning-tree vlan to verify the that the spanning tree is disabled, as illustrated below:
Router# show spanning-tree vlan 200
<output truncated>
Spanning tree instance for VLAN 200 does not exist.
Router#
Configuring MAC Table Manipulation
Port security is implemented by providing the user with the option to make a port secure by allowing only
well-known MAC addresses to send in data traffic. Up to 200 secure MAC addresses per HWIC are
supported.
• Enabling Known MAC Address Traffic, page 32
• Creating a Static Entry in the MAC Address Table, page 33
• Configuring the Aging Timer, page 34
• Verifying the Aging Time, page 34
Enabling Known MAC Address Traffic
Beginning in privileged EXEC mode, follow these steps to enable the MAC address secure option.
SUMMARY STEPS
1. configure terminal
2. [no] mac-address-table secure < mac - address > fastethernet interface-id [vlan < vlan id >]
3. end
Command Purpose
Router(config)# [no] spanning-tree vlan vlan_ID
root primary [ diameter hops [hello-time seconds ]]
Configures a switch as the root switch.
Use the no form of this command to restore the defaults.
Command Purpose
Router(config)# no spanning-tree vlan vlan _ ID
Disables spanning tree on a per-VLAN basis.