After searching in the forum and on cisco, i found that this error could be caused by some1 trying to access the switch using a wrong snmp community
So i created an access-list:
access-list 3 permit 192.168.100.1
access-list 3 deny any log
snmp-server community snmpcom RO 3
I made sure that the LMS IP(192.168.100.1) has the correct community configured. ( i did the self test).
The following day i kept receiving the same notifications, and there was no MATCHING on the deny IP any in the access-list,so that confused as i made sure that no one else is trying to access the router.
Can any one advise what could be done further to troubleshoot the problem??
Note that they have Dot1x configured globally on the switch:
logging size 500
but it is not configured under any physical interface
If you've narrowed down the problem to the LMS server, then start a sniffer trace on this server filtering on UDP port 161 traffic to this device. You should then see the SNMP packets which contain the wrong community string. The objects being polled in those packets (as well as the community) should help determine where the problem lies.
Plus, this report is old. In order to confirm the current DCR Credentials are correct, you will have to run a new Device Credential Verification job from RME > Devices > Device Management > Device Credential Verification Jobs.
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