12-2. Simple Network Management Protocol

  • Simple Network Management Protocol (SNMP) is a protocol that allows the monitoring of information about and management of a network device.

  • A Management Information Base (MIB) is a collection of variables stored on a network device. The variables can be updated by the device or queried from an external source.

  • MIBs are structured according to the SNMP MIB module language, which is based on the Abstract Syntax Notation One (ASN.1) language.

  • An SNMP agent runs on a network device and maintains the various MIB variables. Any update or query of the variables must be handled through the agent.

  • An SNMP agent can also send unsolicited messages, or traps, to an SNMP manager. Traps are used to alert the manager of ...

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