16-9
Cisco ONS 15454 Reference Manual, R7.0
78-17191-01
Chapter 16 SNMP
16.7 16.7.1 Generic and IETF Traps
Object IDs that uniquely identify each event with information about the generating entity (the slot
or port; synchronous transport signal [STS] and Virtual Tributary [VT]; bidirectional line switched
ring [BLSR], Spanning Tree Protocol [STP], etc.).
Severity and service effect of the alarm (critical, major, minor, or event; service-affecting or
non-service-affecting).
Date and time stamp showing when the alarm occurred.
16.7.1 Generic and IETF Traps
The ONS 15454 supports the generic IETF traps listed in Table 16- 7.
Table 16-7 Generic IETF Traps
Trap
From RFC No.
MIB Description
coldStart RFC1907-MIB Agent up, cold start.
warmStart RFC1907-MIB Agent up, warm start.
authenticationFailure RFC1907-MIB Community string does not match.
newRoot RFC1493/
BRIDGE-MIB
Sending agent is the new root of the spanning tree.
topologyChange RFC1493/
BRIDGE-MIB
A port in a bridge has changed from Learning to
Forwarding or Forwarding to Blocking.
entConfigChange RFC2737/
ENTITY-MIB
The entLastChangeTime value has changed.
dsx1LineStatusChange RFC2495/
DS1-MIB
The value of an instance of dsx1LineStatus has changed.
The trap can be used by an NMS to trigger polls. When
the line status change results from a higher-level line
status change (for example, a DS-3), no traps for the
DS-1 are sent.
dsx3LineStatusChange RFC2496/
DS3-MIB
The value of an instance of dsx3LineStatus has changed.
This trap can be used by an NMS to trigger polls. When
the line status change results in a lower-level line status
change (for example, a DS-1), no traps for the
lower-level are sent.
risingAlarm RFC2819/
RMON-MIB
The SNMP trap that is generated when an alarm entry
crosses the rising threshold and the entry generates an
event that is configured for sending SNMP traps.
fallingAlarm RFC2819/
RMON-MIB
The SNMP trap that is generated when an alarm entry
crosses the falling threshold and the entry generates an
event that is configured for sending SNMP traps.