Technical Tip: Unable to discover using Cisco Discovery Protocol
Description
Scope
Version: 8.x and greater
Solution
Unable to discover switches using Discovery protocol (CDP).
For details on Discovery and CDP, see Discovery in the 8.x Administration Guide or 9.x Administration Guide.
Scope
Version: 8.x and greater
Solution
1. Enable Cisco Discovery Protocol (CDP) Debug in the appliance CLI, type:
nacdebug -name CiscoDiscoveryProtocol true
cd /bsc/logs
tail -F output.master | tee cdpDiscovery.txt
2. Re-attempt Discovery.
3. Type Ctrl-c to stop tail.
4. Disable Debug
nacdebug -name CiscoDiscoveryProtocol false
5. Attach to the support ticket the following information:
- Log file (cdpDiscovery.txt can be downloaded to a computer using SCP)
- Log file (cdpDiscovery.txt can be downloaded to a computer using SCP)
- Screen capture of Help > About.
- Steps used to reproduce the behavior