1. Log onto console first (tty1 preferred – alt F1).
2. Sudo to root su –
3. Open snmp config file nano /etc/snmp/snmpd.conf
4. Edit the following:
syslocation Datacentre x Bay x, Row x, Rack Asset x, Uxx-Uxx
rocommunity [snmp public string]
trapcommunity [snmp admin string]
trapsink [ip address of snmp receiving server]
rocommunity [snmp public string]
trapcommunity [snmp admin string]
trapsink [ip address of snmp receiving server]
5. Restart the snmp daemon /etc/init.d/snmpd restart
6. Open ESX firewall port for snmp esxcfg-firewall -e snmpd
7. Make snmpd service automatic chkconfig snmpd on
Use this free tool to test.