Configuring SNMP
SNMP v1 and v2c
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Section 14. Configuring SNMP
Simple Network Management Protocol
(SNMP) provides a method for managing network devices. The device
supports the following SNMP versions:
•
SNMP version 1
•
SNMP version 2c
•
SNMP version 3
SNMP v1 and v2c
The SNMP agents maintain a list of variables, which are used to manage the device. The variables are defined in
the Management Information Base (MIB). The SNMP agent defines the MIB specification format, as well as the
format used to access the information over the network. Access rights to the SNMP agents are controlled by
access strings.
SNMP v3
SNMP v3 applies access control and a new traps mechanism. In addition, User Security Model (USM) parameters
are defined for SNMPv3, including:
•
Authentication
— Provides data integrity and data origin authentication.
•
Privacy
— Protects against the disclosure of message content. Cipher Block-Chaining (CBC) is used for
encryption. Either authentication is enabled on a SNMP message, or both authentication and privacy are
enabled on a SNMP message. However, privacy cannot be enabled without authentication.
•
Timeliness
— Protects against message delay or message redundancy. The SNMP agent compares incom-
ing message to the message time information.
•
Key Management
— Defines key generation, key updates, and key use.
The device supports SNMP notification filters based on Object IDs (OIDs). OIDs are used by the system to man-
age device features.
SNMP v3 supports the following features:
•
Security
•
Feature Access Control
•
Traps
The device generates the following traps:
•
Copy trap
This section contains the following topics:
•
Configuring SNMP Security
•
Configuring SNMP Notifications
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