I’ll list some of the OIDs I used:
Determine the OID of the processor load by running the command in Linux:

snmpwalk -v 2c -c сommunity host .1.3.6.1.4.1.25506.2.6.1.1.1.1.6
snmpwalk -v 2c -c сommunity host .1.3.6.1.2.1.47.1.1.1.1.7

As a result of the execution of the first command, a list of OIDs will be displayed, those in which a value greater than 0 means CPU loading. If the switches are stacked, then the OID with a value greater than zero will be greater than one. The second team is looking at the description, ours will be “Board”.

Determine the OID of memory usage:

snmpwalk -v 2c -c сommunity host .1.3.6.1.4.1.25506.2.6.1.1.1.1.8

Determine the OID of the temperature:

snmpwalk -v 2c -c сommunity host .1.3.6.1.4.1.25506.2.6.1.1.1.1.12

OID to view the ARP list:

.1.3.6.1.2.1.3.1.1

We look in what vlan are ip:

.1.3.6.1.2.1.2.2.1.2

See also:
SNMP OID and MIB for interfaces

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