Installation guide

Cisco HWIC-4ESW and HWIC-D-9ESW EtherSwitch Interface Cards
How to Configure EtherSwitch HWICs
26
Cisco IOS Release 12.3(8)T4
OL-6454-01
Resetting the 802.1x Configuration to the Default Values
You can reset the 802.1x configuration to the default values with a single command.
Beginning in privileged EXEC mode, follow these steps to reset the 802.1x configuration to the default
values:
SUMMARY STEPS
1. configure terminal
2. dot1x default
3. end
4. show dot1x
5. copy running-config startup-config
DETAILED STEPS
Displaying 802.1x Statistics and Status
To display 802.1x statistics for all interfaces, use the show dot1x statistics privileged EXEC command.
To display 802.1x statistics for a specific interface, use the show dot1x statistics interface interface-id
privileged EXEC command.
To display the 802.1x administrative and operational status for the switch, use the show dot1x privileged
EXEC command. To display the 802.1x administrative and operational status for a specific interface, use
the show dot1x interface interface-id privileged EXEC command.
Configuring Spanning Tree
• Enabling Spanning Tree, page 27
• Configuring Spanning Tree Port Priority, page 27
• Configuring Spanning Tree Port Cost, page 28
• Configuring the Bridge Priority of a VLAN, page 30
• Configuring the Hello Time, page 30
• Configuring the Forward-Delay Time for a VLAN, page 31
• Configuring the Maximum Aging Time for a VLAN, page 31
• Disabling Spanning Tree, page 32
Command Purpose
Step 1
configure terminal
Enters global configuration mode.
Step 2
dot1x default
Resets the configurable 802.1x parameters to the default values.
Step 3
end
Returns to privileged EXEC mode.
Step 4
show dot1x
Verifies your entries.
Step 5
copy running-config startup-config
(Optional) Saves your entries in the configuration file.