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Use undo reaction to delete a reaction entry.
Syntax
reaction item-number checked-element rtt threshold-type { accumulate
accumulate-occurrences | average } threshold-value upper-threshold lower-threshold
[ action-type { none | trap-only } ]
undo reaction item-number
Default
No reaction entries for monitoring packet round-trip time exist.
Views
ICMP jitter/UDP jitter/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: Checks the total number of threshold violations. Available
value ranges include:
• 1 to 15000 for the ICMP jitter and UDP jitter operations.
• 1 to 60000 for the voice operation.
average: Checks the packet average round-trip time.
threshold-value: Specifies threshold range in milliseconds.
upper-threshold: Specifies the upper limit in the range of 0 to 3600000.
lower-threshold: Specifies the lower limit in the range of 0 to 3600000. It must not be greater than the
upper limit.
action-type: Specifies what action to be triggered. The default action is none.
none: Specifies the action of 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
the undo reaction command to delete the entry, and then configure a new one.
Only successful probe packets are monitored. Statistics about failed probe packets are not collected.
Examples
# Create reaction entry 1 for monitoring the average round-trip time of UDP jitter probe packets, and
set the upper limit to 50 milliseconds and lower limit to 5 milliseconds. Before the NQA operation
starts, the initial state of the reaction entry is invalid. After the operation, the average packet
round-trip time is checked. If it exceeds the upper limit, the state is set to over-threshold. If it is below
the lower limit, the state is set to below-threshold. Once the reaction entry state 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 rtt threshold-type
average threshold-value 50 5 action-type trap-only
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