4000 Router Series Network Management and Monitoring Command Reference

Default

No reaction entry for monitoring packet loss is configured.

Views

UDP jitter operation view, voice operation view

Predefined user roles

network-admin

Parameters

item-number: Assigns an ID to the reaction entry, in the range of 1 to 10.

threshold-type: Specifies a threshold type.

accumulate accumulate-occurrences: Specifies the maximum number of lost packets in the operation. The

value is in the range of 1 to 15000 for the UDP jitter operation and 1 to 60000 for the voice operation.

action-type: Specifies what action to be triggered. The default action is none.

none: Specifies the action of only displaying results on the terminal display.

trap-only: Specifies the action of displaying results on the terminal display and meanwhile sending

SNMP trap messages to the NMS.

Usage guidelines

You cannot edit a reaction entry after it is created. To change the attributes in a reaction entry, use undo

reaction to delete the entry first and reconfigure a new one.

Examples

# Create reaction entry 1 for monitoring packet loss in the UDP jitter operation. Before the NQA

operation starts, the initial state of the reaction entry is invalid. After the operation, lost packets are

checked against the threshold. If the total number of lost packets exceeds 100 (included), the state of the

reaction entry is set to over-threshold. Otherwise, the state is set to below-threshold. Once the state of the

reaction entry changes, a trap message is generated and sent to the NMS.

<Sysname> system-view

[Sysname] nqa entry admin test

[Sysname-nqa-admin-test] type udp-jitter

[Sysname-nqa-admin-test-udp-jitter] reaction 1 checked-element packet-loss

threshold-type accumulate 100 action-type trap-only

reaction checked-element probe-duration

Use reaction checked-element probe-duration to configure a reaction entry for monitoring the probe

duration.

Use undo reaction to delete the specified reaction entry.

Syntax

reaction item-number checked-element probe-duration threshold-type { accumulate

accumulate-occurrences | average | consecutive consecutive-occurrences } threshold-value

upper-threshold lower-threshold [ action-type { none | trap-only } ]

undo reaction item-number