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Chapter 13. SNMP Management

61200305L1-1 ATLAS 550 User Manual 13-3

Disabling Trap Generating Events

You can disable trap generating events in three ways:

Standard Traps

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

set this value to2, the generationof theauthenticationFailuretrapisdisabled.

Thistrapis enabledbysettingsnmpEnableAuthenTrapsto1.Onepossiblerea-

son for an authentication failure would be an invalid community name in

the received protocol message. Table 13-1 describes the standard traps sup-

ported by ATLAS 550.

1. Disable T

RAP

RANSMISSION

. From the terminal menu, select SNMP

and set T

RAP

RANSMISSION

to D

ISABLED

2. Define trap thresholds to disable specific trap events. Refer to the

ATLAS 550 MIB in System Event Logging onpageA-1foradescription

of each trap event supported by the ATLAS 550.

For example, consider the coldStart trap which is a system controller

event. If you defined for destination 0, a trap filtering threshold of

ARNING

for the system controller, then the coldStart trap would not

generate to that destination because the coldStart trap severity level is

defined as N

ORMAL

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

ISABLED

NFORMA

TIONAL

ORMAL

ARNING

INOR

AJOR

, and C

RITICAL

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

variables are outlined in the remainder of this chapter.

Table 13-1. Standard SNMP Traps

Index Trap Name Severity Description

0 coldStart Normal ATLAS 550 is such that its configuration may be

altered; this trap is generated on power up.

1 warmStart Normal ATLAS 550 is reinitializing without altering its

configuration.

2 linkDown Warning One of the ATLAS 550 communication links has

failed.

3 linkUp Normal One of the ATLAS 550 communication links has

come up.

4 authenticationFailure Informational ATLAS 550 has received a protocol message that

has failed authentication.

1 2 ... 180 181 182 183 184 185 186 187 188 189 190 ... 261 262

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