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Cisco Unified Communications Manager Managed Services Guide
OL-22523-01
Chapter 7 Cisco Management Information Base
CISCO-CDP-MIB
STATUS current
DESCRIPTION
A collection of objects for use with the Cisco Discovery Protocol version 2 to configure the value
for Extended Trust TLV and COS for Untrusted Port TLV.
::= { ciscoCdpMIBGroups 7 }
Troubleshooting
For Linux and Cisco Unified CM Release 5.x, 6.x, 7.x., collect the following logs and information for
analysis:
• Use the set trace enable Detailed cdpmib CLI set the detailed trace for cdpAgt ().
• Restart the Cisco CDP Agent service from the serviceability Web Page (Tools-> Controlcenter-
Network Services) and wait for some time.
• Collect the following trace files:
–
Enable the Cisco CDP Agent traces by using the file get activelog cm/trace/cdpmib/sdi
command and Cisco CDP daemon traces using the file get activelog cm/trace/cdp/sdi
command.
–
Enable the Cisco CDP Agent and daemon traces by using the Real-Time Monitoring Tool
(RTMT) > Trace & Log Central > Collect Files > Cisco CallManager SNMP Service > Cisco
CDP Agent and Cisco CDP.
• Once the logs are collected, reset the trace setting by using the set trace disable cdpmib command.
For Windows and Cisco Unified CM Release 4.x, perform the following to collect logs for analysis.
• Set TraceEnabled to true under the registry HKEY_LOCAL_MACHINE\SOFTWARE\Cisco
Systems, Inc.\SnmpCDPAgent and restart SNMP service.
• After restarting SNMP service, another option TraceLevel displays. Set this to value 3.
• Restart SNMP service again.
• Do the walk on CDP MIB.
• Collect the log file from location C:\Program Files\Cisco\bin\SnmpCDPImpl.log.
• Collect the output of c:\utils\tlist.exe snmp.exe and output of dir c:\program files\cisco\bin.
Frequently Asked Questions
The CDP interface table and globalinfo tables are blank.
Verify that you Cisco Unified CM release that you are using has this capability. If not, upgrade.
How is the MessageInterval value set in the Interface table as well as Global table in CDP MIB?
Check to see if the HoldTime value is greater than MessageInterval value. If it is less, then the
MessageInterval value can not be set from both Interface table as well as Global table.
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