How do I troubleshoot if DFM polls the device with Old Simple Network Management Protocol (SNMP) Read Only community string?
A. While DFM is managing a device, the SNMP Read Only (RO) community string was changed or removed in the device by someone. DFM polls the device with old RO community string. Because the community strings are wrong, the device is stuck at 10% or it goes to question state. You might see this message in the show log command in the device: % SNMP-3-AUTHFAIL: Authentication failure for SNMP req from host 10.3.223.102 % SNMP-3-AUTHFAIL: Authentication failure for SNMP req from host 10.3.223.102 % SNMP-3-AUTHFAIL: Authentication failure for SNMP req from host 10.3.223.102 Note: 10.3.223.102 is the CiscoWorks server IP address. This error occurs due to DFM.rps file corruption. In order to troubleshoot this, complete these steps: • Delete the DFM.rps and DFM1.rps from the location NMSRoot/objects/smarts/local/repos/icf. • Re-initialize the DFM database. • Re-add the device from DCR into DFM and rediscover the device. Note: NMSRoot is the CiscoWorks installed location.
