Nortel Networks NN44470-100 Uživatelský manuál stáhnout pdf (Strana 35)

Nortel Media Application Server 6.0 for AS 5300

Fundamentals

NN44470-100 01.01 Standard

Release 6.0 03 June 2008

MAS fault management

This chapter describes fault management on the MAS platform. For step-by-

step information, see Media Application Server 6.0 for AS 5300

Troubleshooting and Fault Management (NN44470-700).

Navigation

• Fault management architecture (page 35)

• SNMP management (page 36)

• Supported MIBs (page 36)

• Syslog (page 37)

• Event logs (page 37)

• Alarms (page 39)

Fault management architecture

This section describes the fault management architecture.

Polling management data

The MAS supports the polled management model of the Simple Network

Management Protocol (SNMP) to facilitate well-controlled network

management traffic and to enable reliable data synchronization through a

request-response interaction. By maintaining Management Information Base

(MIB) tables and variables, the Internet Protocol (IP) Multimedia System (IMS)

enables the following functions:

• To recover the missing data due to lost notifications. This is referred to as

auditing and is described in the next section.

• To perform initial data synchronization for the active alarm list.

• To monitor the status of operation, administration, and maintenance

(OAM) communications with the agents and resynchronize all data after

recovering from communication loss.

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Nortel Networks NN44470-100 Uživatelský manuál Strana 35