NQA从实际探测不通到日志显示probe-fail显示时间大约多久?
配置如下:
#
nqa entry admin 1
type icmp-echo
destination ip 10.2.4.244
frequency 1000
reaction 1 checked-element probe-fail threshold-type consecutive 3 action-type trigger-only
#
nqa schedule admin 1 start-time now lifetime forever
#
大约12 S,如下:
RBM_P<M9K-L>%Jun 11 13:48:40:454 2024 M9K-L NQA/6/NQA_ENTRY_PROBE_RESULT: Reaction entry 1 of NQA entry admin-name admin operation-tag 1: probe-fail.
RBM_P<M9K-L>disp nqa his
RBM_P<M9K-L>disp nqa history
NQA entry (admin admin, tag 1) history records:
Index Response Status Time
543 3000 Timeout 2024-06-11 13:48:44.4
542 3000 Timeout 2024-06-11 13:48:40.4
541 3000 Timeout 2024-06-11 13:48:36.4
540 3000 Timeout 2024-06-11 13:48:32.4
539 2 Succeeded 2024-06-11 13:48:28.4
538 1 Succeeded 2024-06-11 13:48:27.4
537 1 Succeeded 2024-06-11 13:48:26.5
时间说明如下:NQA探测的时间间隔为1S,即1S周期发送一次探测;探测的超时周期默认为3S,即如果对端没有回应会等待3S时间才会Timeout。
三次Timeout则会Probe-fail,因此时间为3*(1+3)=12 S。
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