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48-8
User Guide for Cisco Security Manager 4.4
OL-28826-01
Chapter 48 Configuring Device Access Settings on Firewall Devices
Configuring SNMP
SNMP Terminology
Here are definitions for some common SNMP terms:
• Agent – The SNMP server running on the security appliance. The agent responds to requests for
information and action from the management station. The agent also controls access to its
management information base (MIB), the collection of data objects that can be viewed or changed
by the SNMP manager.
• Management stations – The PCs or workstations set up to monitor SNMP events and manage
devices such as the security appliance. Management stations can also receive messages about events
which require attention, such as hardware failures.
• MIBs – The agent maintains standardized data structures called Management Information Bases
(MIBs), used to collect information, such as packet, connection and error counters, and buffer usage
and failover status. A number of MIBs are defined for specific products, and for the common
protocols and hardware standards used by most network devices. SNMP management stations can
browse MIBs, or request only specific fields. In some applications, MIB data can be modified for
administrative purposes.
• OID – The SNMP standard assigns a system object ID (OID) so that a management station can
uniquely identify network devices with SNMP agents, and indicate to users the source of
information monitored and displayed.
• Traps – Specified events that generate a message from the SNMP agent to the management station.
Events include alarm conditions such as linkup, linkdown, coldstart, authentication, or syslog
events.
SNMP Page
Use the SNMP page to configure the security appliance for monitoring by Simple Network Management
Protocol (SNMP) management stations.
Navigation Path
• (Device view) Select Platform > Device Admin > Device Access > SNMP from the Device Policy
selector.
• (Policy view) Select PIX/ASA/FWSM Platform > Device Admin > Device Access > SNMP from
the Policy Type selector. Select an existing policy from the Shared Policy selector, or create a new
one.
Related Topics
• Configuring SNMP, page 48-7
Field Reference
Table 48- 7 SNM P Page
Element Description
Enable SNMP Servers When this option is selected, the security device provides SNMP
information on the specified interface(s). You can deselect this option
to disable SNMP monitoring while retaining the configuration
information.