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7. Security
7-4
February 2001 8784-A2-GB20-30
Controlling SNMP Access
There are three methods for limiting SNMP access.
Disable the SNMP management option. Refer to Table A-6, General SNMP
Management Options, in Appendix A,
Configuration Options
.
Assign SNMP community names and access types.
Limit SNMP access through validation of the IP address of each allowed
SNMP manager.
Assigning SNMP Community Names and Access Types
The unit can be managed by an SNMP manager supporting SNMP. The
community name must be supplied by an external SNMP manager accessing an
object in the MIB.
To define SNMP community names, follow this menu selection sequence:
Main Menu
→
Configuration
→
Current Configuration
→
Management and Communication
→
General SNMP Management
Refer to Table A-6, General SNMP Management Options, in Appendix A,
Configuration Options
, to:
Enable SNMP Management.
Assign the SNMP community names of the SNMP Managers that are allowed
to access the units Management Information Base (MIB).
Specify Read or Read/Write access for each SNMP community name.
Limiting SNMP Access through the IP Addresses of the Managers
The unit provides an additional level of security through validation of the IP
addresses.
The SNMP Management option must be enabled. To control SNMP access with IP
addresses, follow this menu selection sequence:
Main Menu
→
Configuration
→
Current Configuration
→
Management and Communication
→
SNMP NMS Security
Refer to Table A-7, SNMP NMS Security Options, in Appendix A,
Configuration
Options
. The SNMP access can be limited by:
Enabling NMS IP address checking.
Add each IP address and access level.
NOTE:
Do not change or delete the IP address or access level of the NMS performing
the sets or enable IP address checking prior to adding the NMS to the table.