CHAPTER
73-1
Cisco ASA 5500 Series Configuration Guide using ASDM
OL-20339-01
73
Configuring SNMP
This chapter describes how to configure SNMP to monitor the adaptive security appliance and includes
the following sections:
• Information about SNMP, page 73-1
• Licensing Requirements for SNMP, page 73-4
• Prerequisites for SNMP, page 73-5
• Guidelines and Limitations, page 73-5
• Configuring SNMP, page 73-6
• Where to Go Next, page 73-12
• Additional References, page 73-12
• Feature History for SNMP, page 73-14
Information about SNMP
SNMP is an application-layer protocol that facilitates the exchange of management information between
network devices. It is part of the TCP/IP protocol suite. This section describes SNMP monitoring, and
includes the following topics:
• Information About SNMP Terminology, page 73-2
• Information About MIBs and Traps, page 73-2
The adaptive security appliance provides support for network monitoring using SNMP Versions 1, 2c,
and 3, and supports the use of all three versions simultaneously. The SNMP interface lets you monitor
the adaptive security appliance through network management systems (NMSs), such as HP OpenView.
The adaptive security appliance supports SNMP read-only access through issuance of a GET request.
SNMP write access is not allowed, so you cannot make changes with SNMP. In addition, the SNMP SET
request is not supported.
You can configure the adaptive security appliance to send traps, which are unsolicited comments from
the managed device to the management station for certain events (event notifications) to an NMS, or you
can use the NMS to browse the MIBs on the adaptive security appliance. MIBs are a collection of
definitions, and the adaptive security appliance maintains a database of values for each definition.
Browsing a MIB means issuing a series of GET-NEXT or GET-BULK requests of the MIB tree from the
NMS to determine values.
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