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Chapter 12. SNMP Management

61200226L1-1 ATLAS 800

PLUS

User Manual 12-3

the system controller, the

coldStart

trap would not generate to that

destination because the

coldStart

trap severity level is defined as

Nor-

mal

. (Recall that each trap event has a severity level:

Disabled, Infor-

mational, Normal, Warning, Minor, Major,

and

Critical

3. Control certain traps through SNMP of specific MIB variables. These

variables are outlined in the remainder of this chapter.

Standard Traps

Table 12-2 describes the standard traps supported by ATLAS.

RFC1213, or MIB II, defines the object type snmpEnabledAuthenTraps. If

you set this value to 2, the generation of the authenticationFailure

trap is disabled. This trap is enabled by setting snmpEnableAuthenTraps

to 1. One possible reason for an authentication failure would be an invalid

community name in the received protocol message.

DS1 Traps

ATLAS supports RFC1406, the DS1 standard MIB, as well as the ADTRAN

DS1 MIB, an extension to RFC1406. The ADTRAN DS1 group lets you send

traps for DS1 Alarm Failures and Performance Threshold Crossing Alerts.

The DS1 Alarm Table, defined in the ADTRAN DS1 extension MIB, contains

entries that enable the status bits to send an Alarm Trap message. Each

Alarm Table row entry corresponds to a DS1 interface managed by the de-

vice. The DS1 Alert Table, also defined in the ADTRAN DS1 MIB, contains

similar entries for controlling the Alert Traps.

DS1 Alarm Traps

DS1 line status is reported in the bit-encoded dsx1LineStatus object variable.

Each trap represents a bit value = 1 change in dsx1LineStatus. Table 12-3 de-

scribes the DS1 alarm traps supported by ATLAS 800

PLUS

Table 12-2. Standard Traps

Index Trap Name Severity Description

coldStart

Normal ATLAS is such that its configuration may be

altered; this trap is generated on power up.

warmStart

Normal ATLAS is reinitializing without altering its

configuration.

linkDown

Warning One of the ATLAS communication links has

failed.

linkUp

Normal One of the ATLAS communication links has

come up.

authenticationFailure

Informational ATLAS has received a protocol message

that has failed authentication.

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