CHAPTER 21
Configuring UniDirectional Link Detection
•
Finding Feature Information, page 395
•
Restrictions for Configuring UDLD, page 395
•
Information About UDLD, page 396
•
How to Configure UDLD, page 399
•
Monitoring and Maintaining UDLD, page 401
•
Additional References for UDLD, page 402
•
Feature Information for UDLD, page 403
Finding Feature Information
Your software release may not support all the features documented in this module. For the latest caveats and
feature information, see Bug Search Tool and the release notes for your platform and software release. To
find information about the features documented in this module, and to see a list of the releases in which each
feature is supported, see the feature information table at the end of this module.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support.
To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on Cisco.com is not
required.
Restrictions for Configuring UDLD
The following are restrictions for configuring UniDirectional Link Detection (UDLD):
•
A UDLD-capable port cannot detect a unidirectional link if it is connected to a UDLD-incapable port
of another switch.
•
When configuring the mode (normal or aggressive), make sure that the same mode is configured on
both sides of the link.
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
395
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