Cisco 7604 User Manual

49-4
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 49 Configuring UDLD
Configuring UDLD
Enabling UDLD on Individual LAN Interfaces
To enable UDLD on individual LAN ports, perform this task:
Disabling UDLD on Fiber-Optic LAN Interfaces
To disable UDLD on individual fiber-optic LAN ports, perform this task:
Command Purpose
Router(config)# udld {enable | aggressive}
Enables UDLD globally on fiber-optic LAN ports.
Note This command only configures fiber-optic LAN ports.
Individual LAN port configuration overrides the
setting of this command.
Router(config)# no udld {enable | aggressive}
Disables UDLD globally on fiber-optic LAN ports.
Command Purpose
Step 1
Router(config)# interface type
1
slot/port
1. type = ethernet, fastethernet, gigabitethernet, or tengigabitethernet
Selects the LAN port to configure.
Step 2
Router(config-if)# udld port [aggressive]
Enables UDLD on a specific LAN port. Enter the
aggressive keyword to enable aggressive mode. On a
fiber-optic LAN port, this command overrides the udld
enable global configuration command setting.
Router(config-if)# no udld port [aggressive]
Disables UDLD on a nonfiber-optic LAN port.
Note On fiber-optic LAN ports, the no udld port
command reverts the LAN port configuration to
the udld enable global configuration command
setting.
Step 3
Router# show udld type
1
slot/number
Verifies the configuration.
Command Purpose
Step 1
Router(config)# interface type
1
slot/port
1. type = ethernet, fastethernet, gigabitethernet, or tengigabitethernet
Selects the LAN port to configure.
Step 2
Router(config-if)# udld port disable
Disables UDLD on a fiber-optic LAN port.
Router(config-if)# no udld port disable
Reverts to the udld enable global configuration
command setting.
Note This command is only supported on fiber-optic
LAN ports.
Step 3
Router# show udld type
1
slot/number
Verifies the configuration.

Cisco 7604 Specifications

General

Brand	Cisco
Model	7604
Category	Network Router
Language	English