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Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
OL-16506-17
Chapter 9 UniDirectional Link Detection (UDLD) Protocol
Configuration Examples for UDLD Protocol
Configuration Examples for UDLD Protocol
The secion provides the following configuration examples:
Example: Verifying a UDLD Configuration, page 9-10
Example: Verifying Information About Neighbors, page 9-10
Example: Displaying all the UDLD Interface Statuses, page 9-11
Example: Verifying a UDLD Configuration
The following example show how to use the show command to verify an UDLD configuration:
Sample Output for the show udld interface-id Command
Router# show udld gigabitethernet2/2
Interface Gi2/2
---
Port enable administrative configuration setting: Follows device default
Port enable operational state: Enabled
Current bidirectional state: Bidirectional
Current operational state: Advertisement
Message interval: 60
Time out interval: 5
No multiple neighbors detected
Entry 1
---
Expiration time: 146
Device ID: 1
Current neighbor state: Bidirectional
Device name: 0050e2826000
Port ID: 2/1
Neighbor echo 1 device: SAD03160954
Neighbor echo 1 port: Gi1/1
Message interval: 5
CDP Device name: 066527791
Example: Verifying Information About Neighbors
The following example shows how to view the information pertaining to neighbors:
Sample Output for the show udld neighbors Command
Router# show udld neighbors
Port Device Name Device ID Port-ID OperState
-------- ------------------------------ ------------ ------- --------------
Gi3/1 SAL0734K5R2 1 Gi4/1 Bidirectional
Gi4/1 SAL0734K5R2 1 Gi3/1 Bidirectional