Can Checmk pull the SNMP Community directly from Device

Hi team,

Can Check_MK pull the SNMP string configured directly from the Fiber Switch rather than putting SNMP traps

What exactly do you want to do?

You cannot access a SNMP device without knowing the used credentials. With this it is also not possible for CMK to fetch anything from the device without the credentials.

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The read or write community must not be the same as the trap community,
The read/write communities are for security as mentioned by Andreas.
For security reason also SNMPv3 at least with authentication is recommended.