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asr5000 で、NPU ME Utilization/Scheduler の使用率が、以下のように偏る場合があります。本事象を確認できるログを、PSC#6 を例に、以下に記載します。
******** show port utilization *******
Wednesday May 10 17:54:34 JST 2017
------ Average Port Utilization (in mbps) ------
Port Type Current 5min 15min
Rx Tx Rx Tx Rx Tx
----- ------------------------ ------- ------- ------- ------- ------- -------
22/1 1000 Ethernet 110 100 102 90 101 91
22/2 1000 Ethernet 50 91 55 83 54 89
22/3 1000 Ethernet 86 302 73 307 70 315
22/4 1000 Ethernet 77 975 76 975 75 975 <<< #他portに比べて、数値が高い。この例の場合、Txの値が高い。
******** Data-path congestion information for slot 6 ********
NPU Micro Engine Busy Percentage:
Micro Engine | 5 Sec | 5 Min | 15 Min | Busy Counts
-------------|---------|---------|---------|--------------------------------
Scheduler | 100.00% | 99.96% | 99.98% | Cnts Last 5 Sec: 57000000 <<< #他PSCに比べて、数値が高い。
| | | | Cnts When 100% Busy: 57000000
******** show npu utilization info card 6 *******
NPU ME Utilization:
SCH : Scheduler (100.00%) <<< #他PSCに比べて、数値が高い。
******** show snmp trap history verbose *******
Wed May 10 06:45:01 2017 Internal trap notification 478 (ThreshNPUUtilization) card 6 threshold 75% measured value 98%
******** show logs *******
2017-May-10+06:45:01.060 [alarmctrl 65201 info] [8/0/4636 <evlogd:0> alarmctrl.c:192] [software internal system critical-info syslog] Alarm condition: id 50129f12385d0000 (Minor): <1:npu-utilization> has reached or exceeded the configured threshold <75%>, the measured value is <98%>. It is detected at <NPU [6]>.
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