Cisco Catalyst 2950 Command Reference Manual page 242

show udld
This is an example of output from the show udld interface configuration command when the aggressive
mode is configured:
Switch# show udld gi0/1
Interface Gi0/1
---
Port enable administrative configuration setting:Enabled / in aggressive mode
Port enable operational state:Enabled / in aggressive mode
Current bidirectional state:Unknown
Current operational state:Link down
Message interval:7
Time out interval:5
No neighbor cache information stored
Related Commands Command
udld (global configuration)
udld (interface configuration)
udld reset
Catalyst 2950 Desktop Switch Command Reference
2-218
Description
Enables UDLD on all ports on the switch.
Enables UDLD on a port.
Resets any interface that was shut down by UDLD.
Chapter 2 Cisco IOS Commands
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