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SNMP Traps
Table 11-1 SNMP Message Types
Operation
get-bulk-request Similar to a get-next-request, but this operation fills the get-response with
trap
A managed object (sometimes called a MIB object) is one of any specific characteristics of a managed
device. Managed objects consist of one or more object instances (variables).
The ONS 15454 MIBs are included on the software CD that ships with the ONS 15454. Compile these
MIBs in the following order. If you do not follow the order, one or more MIB files might not compile.
1.
2.
3.
4.
If you cannot compile the ONS 15454 MIBs, call the Technical Assistance Center (TAC) at
1-877-323-7368.
Table 11-2 IETF Standard MIBs Implemented in the ONS 15454 SNMP Agent
RFC#
1213
+1907
1493
1757
2737
2233
2358
2495
2496
2558
2674
11.5 SNMP Traps
The ONS 15454 can receive SNMP requests from a number of SNMP managers and send traps to ten
trap receivers. The ONS 15454 generates all alarms and events as SNMP traps.
The ONS 15454 generates traps containing an object ID that uniquely identifies the alarm. An entity
identifier uniquely identifies the entity that generated the alarm (slot, port, STS, VT, BLSR, STP, etc.).
The traps give the severity of the alarm (critical, major, minor, event, etc.) and indicate whether the alarm
Cisco ONS 15454 Installation and Operations Guide
11-6
Description
up to the max-repetition number of get-next interactions
An unsolicited message sent by an SNMP agent to an SNMP manager
indicating that an event has occurred
CERENT-GLOBAL-REGISTRY.mib
CERENT-TC.mib
CERENT-454.mib
CERENT-GENERIC.mib
Module Name
RFC1213-MIB,
SNMPV2-MIB
BRIDGE-MIB
RMON-MIB
ENTITY-MIB
IF-MIB
Etherlike-MIB
DS1-MIB
DS3-MIB
SONET-MIB
P-BRIDGE-MIB,
Q-BRIDGE-MIB
Title/Comments
MIB-II from RFC1213 with enhancement from RFC1907
for v2
Bridge/Spanning Tree (SNMPv1 MIB)
Remote monitoring (RMON) Ethernet
Entity MIB using SMI v2 (version II)
Interface evolution (enhances MIB-II)
Ethernet-like interface (SNMPv2 MIB)
DS-1/E1
DS-3/E3
SONET
P-Bridge and Q-Bridge MIB
Chapter 11
SNMP
November 2001
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