[iMC] Device receives an SNMP message with an erroneous community string

irrelevant

• The IMC receives the following alarm all the time

1.Check whether the SNMP of devices managed by the IMC is correct

2.Capture packets on the IMC server and check whether a trap 1.3.6.1.6.3.1.1.5.5 is received

2.1 if your iMC installed on a linux OS, you can using this command to capture packets

  tcpdump  -i bond0 host  10.128.x.x  and  port 161 or  port 162 -w  /home/xx.cap  

We found that iMC received  trap from device.

3.Capture packets on the device and check whether another NMS system polling device with wrong community.

we found that 10.192.182.26 is polling with wrong community.

Check the source of abnormal NMS in the network, and complete the overall planning and deployment of the NMS system.