Enable SNMP on ESXi

Depending on your version of ESXi, the setup steps may change.

ESXi 5.0: VMware documentation
ESXi 5.1+: VMware documentation

The commands below will setup SNMP and allow SNMP through the firewall. If you prefer, you can setup the firewall rules using the vSphere Client GUI under Configuration > Security Profile. Replace ‘YOUR_STRING’ with your community string

esxcli system snmp set --communities YOUR_STRING
esxcli system snmp set --enable true
esxcli network firewall ruleset set --ruleset-id snmp --allowed-all true
esxcli network firewall ruleset set --ruleset-id snmp --enabled true
/etc/init.d/snmpd restart

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