Simple Network Management Protocol

 

 

 

3

 

Table 3-5 Supported Notification Messages

 

 

 

 

Object Label

Object ID

 

Description

 

 

 

 

 

RFC 1493 Traps

 

 

 

 

 

 

 

 

newRoot

1.3.6.1.2.1.17.0.1

 

The newRoot trap indicates that the sending

 

 

 

agent has become the new root of the Spanning

 

 

 

Tree; the trap is sent by a bridge soon after its

 

 

 

election as the new root, e.g., upon expiration of

 

 

 

the Topology Change Timer immediately

 

 

 

subsequent to its election.

topologyChange

1.3.6.1.2.1.17.0.2

 

A topologyChange trap is sent by a bridge when

 

 

 

any of its configured ports transitions from the

 

 

 

Learning state to the Forwarding state, or from

 

 

 

the Forwarding state to the Discarding state. The

 

 

 

trap is not sent if a newRoot trap is sent for the

 

 

 

same transition.

SNMPv2 Traps

 

 

 

 

 

 

 

 

coldStart

1.3.6.1.6.3.1.1.5.1

 

A coldStart trap signifies that the SNMPv2 entity,

 

 

 

acting in an agent role, is reinitializing itself and

 

 

 

that its configuration may have been altered.

warmStart

1.3.6.1.6.3.1.1.5.2

 

A warmStart trap signifies that the SNMPv2

 

 

 

entity, acting in an agent role, is reinitializing

 

 

 

itself such that its configuration is unaltered.

linkDown*

1.3.6.1.6.3.1.1.5.3

 

A linkDown trap signifies that the SNMP entity,

 

 

 

acting in an agent role, has detected that the

 

 

 

ifOperStatus object for one of its communication

 

 

 

links is about to enter the down state from some

 

 

 

other state (but not from the notPresent state).

 

 

 

This other state is indicated by the included

 

 

 

value of ifOperStatus.

linkUp*

1.3.6.1.6.3.1.1.5.4

 

A linkUp trap signifies that the SNMP entity,

 

 

 

acting in an agent role, has detected that the

 

 

 

ifOperStatus object for one of its communication

 

 

 

links left the down state and transitioned into

 

 

 

some other state (but not into the notPresent

 

 

 

state). This other state is indicated by the

 

 

 

included value of ifOperStatus.

authenticationFailure*

1.3.6.1.6.3.1.1.5.5

 

An authenticationFailure trap signifies that the

 

 

 

SNMPv2 entity, acting in an agent role, has

 

 

 

received a protocol message that is not properly

 

 

 

authenticated. While all implementations of the

 

 

 

SNMPv2 must be capable of generating this

 

 

 

trap, the snmpEnableAuthenTraps object

 

 

 

indicates whether this trap will be generated.

RMON Events (V2)

 

 

 

 

 

 

 

 

risingAlarm

1.3.6.1.2.1.16.0.1

 

The SNMP trap that is generated when an alarm

 

 

 

entry crosses its rising threshold and generates

 

 

 

an event that is configured for sending SNMP

 

 

 

traps.

fallingAlarm

1.3.6.1.2.1.16.0.2

 

The SNMP trap that is generated when an alarm

 

 

 

entry crosses its falling threshold and generates

 

 

 

an event that is configured for sending SNMP

 

 

 

traps.

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Microsoft ES4649, ES4625 manual RFC 1493 Traps, SNMPv2 Traps

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