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300861-C Rev. 00 6-1
Chapter 6
Troubleshooting
This chapter provides answers to the questions frequently asked when you are
unable to use SNMP to communicate with the RAC.
• Why am I unable to use SNMP to communicate with the RAC?
In order to enable SNMP communication with a RAC, the RAC SNMP agent
must be up and the specified community string must match one of the RAC
community strings. Check the configuration file to make sure that your host is
not disabled through the community string.
To perform operations which change parameters (e.g., the
set command), the
allow_snmp_sets parameter on the RAC must be set to
Y (Yes). You can set
this parameter only by using the non-SNMP na and admin tools, or by using
the ROM monitor.
• How can I tell if the SNMP agent is running on the RAC?
SNMP cannot be used to communicate with a RAC unless the RAC is running
the SNMP daemon process. You should use the
CLI su commandtogotothe
superuser or administrative mode from the direct connection to the RAC,
and then use the CLI proc command to find a line for the snmpd process. For
example, this line may read:
407 0 S0 7e8d0 103c 7f7f4 12 12 0 18 0:00.017 ? snmpd.
If there is no snmpd process, check the disabled_modules parameter using
admin or na. If this parameter indicates that SNMP is disabled, the RAC
discards SNMP messages. Remove snmp from the list of disabled modules
and reboot the RAC.