Unable to discover SNMP Devices(Active, Could't classify)

Sudhakara Redd2 · ‎06-25-2020

Hello Everyone,

Today I noticed a very weird issue when running discovery for SNMP devices.
A) SNMP credentials are validated
B) Firewall opened
C) Open 161 is opened
Now the issue here is I can see SNMP classified properly but rather than going to identification, it is again running classification for Unix and Http as attached and ended up with Active, Couldn't classify error. Could you please assist me with what might be the issue?

Thanks,

Sudhakar

Ashutosh Munot1 · ‎06-25-2020

Hi,

We usually have a SSH credentials try first and then SNMP as per order. And If the port 22 is open then it might try SSH as well. But after SNMP classification the device is not getting classified because of OID might not be there in classification criteria.

So check SNMP Classification criteria first.

Thanks,
Ashutosh

View solution in original post

Paul Ciarfella · ‎06-27-2020

Check your device's ACL list to ensure that the midserver's IP address is allowed to make SNMP gets.