Cisco Catalyst 2900 Series XL Especificaciones descargar pdf (Pagina 181)

7-7

Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide

78-6511-06

Chapter 7 Configuring the Switch Ports

Configuring UniDirectional Link Detection

Disabling a Network Port

Beginning in privileged EXEC mode, follow these steps to disable a network port:

Configuring UniDirectional Link Detection

UniDirectional Link Detection (UDLD) is a Layer 2 protocol that detects and shuts down unidirectional links.

You can configure UDLD on the entire switch or on an individual port. Use the udld reset command to

reset all ports that have been shut down by UDLD.

Beginning in privileged EXEC mode, follow these steps to configure UDLD on a switch:

Command Purpose

Step 1

configure terminal Enter global configuration mode.

Step 2

interface interface Enter interface configuration mode, and enter the port to be configured.

Step 3

no port network Disable the port as the network port.

Step 4

end Return to privileged EXEC mode.

Step 5

show running-config Verify your entry.

Command Purpose

Step 1

configure terminal Enter global configuration mode.

Step 2

udld enable Enable UDLD on all switch ports.

Use the udld interface configuration command to enable UDLD on a

specific port.

Step 3

end Return to privileged EXEC mode.

Step 4

show running-config Verify the entry by displaying the running configuration.

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Cisco Catalyst 2900 Series XL Especificaciones Pagina 181