Step 1. Turning on SNMP extension
(to enable extended CP MIBS – http://www.oidview.com/mibs/2620/CHECKPOINT-MIB.html)
[code]cpconfig

Configuration Options:
———————-
…
(2) SNMP Extension
…

[/code]
Press the corresponding number to access SNMP extension configuration. In our case it is – “2”.
[code]Configuring SNMP Extension…
=============================
The SNMP daemon enables Check Point products module
to export its status to external network management tools.
Would you like to enable Check Point products SNMP daemon ? (y/n) [y] ?
[/code]
Press “y” or [Enter] key to enable the SNMP extension.[/code]
[code]Thank You…
You have changed Check Point products Configuration.
You need to restart ALL Check Point modules (performing cpstop & cpstart)
in order to activate the changes you have made.
Would you like to do it now? (y/n) [y] ?
[/code]
Press “y” or [Enter] key again to apply the changes.

2. Configuring SNMP users

[code]snmp user add authuser USER pass PASSWORD1 priv PASSWORD2
service snmpd restart
[/code]

3. Adding SNMPd to automatic startup sequence
[code]
chkconfig snmpd on
[/code]

Source: http://www.checkpoint.com/techsupport/downloads/docs/firewall1/r54/SNMP_Add-on_Manual.pdf