思科C9200重启，求助！

[liuyuhang]

思科C9200自动重启，求大佬看下重启原因，谢谢！

Cisco IOS XE Software, Version 17.06.04
Cisco IOS Software [Bengaluru], Catalyst L3 Switch Software (CAT9K_LITE_IOSXE), Version 17.6.4, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2022 by Cisco Systems, Inc.
Compiled Sun 14-Aug-22 07:06 by mcpre

Cisco IOS-XE software, Copyright (c) 2005-2022 by cisco Systems, Inc.
All rights reserved. Certain components of Cisco IOS-XE software are
licensed under the GNU General Public License ("GPL") Version 2.0. The
software code licensed under GPL Version 2.0 is free software that comes
with ABSOLUTELY NO WARRANTY. You can redistribute and/or modify such
GPL code under the terms of GPL Version 2.0. For more details, see the
documentation or "License Notice" file accompanying the IOS-XE software,
or the applicable URL provided on the flyer accompanying the IOS-XE
software.

ROM: IOS-XE ROMMON
BOOTLDR: System Bootstrap, Version 17.9.1r [FC8], RELEASE SOFTWARE (P)

uptime is 40 minutes
Uptime for this control processor is 43 minutes
System returned to ROM by Power Failure or Unknown
System image file is "flash:packages.conf"
Last reload reason: Power Failure or Unknown

[ilay · Accepted solution]

Last reload reason: Power Failure or Unknown

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看show version中的输出是power failure or unknown,按照这个关键字可以查到16.12.4的一个bug，（https://bst.cisco.com/bugsearch/bug/CSCvx97836?rfs=qvlogin），可以参考该信息检查一下是否也符合这个问题，如果匹配的话，那大概率需要RMA换设备了

如果输出的内容跟bug不相符，可以在17.6.x版本的release notes中查找一下已知的bug列表，确认一下是否有启用会引起异常reload的功能。

设备有维保服务的话建议直接开case处理，如果没服务的话，可以尝试更换一个os版本试试

[Rps-Cheers]

Symptom

Some C9200L experience reload with Power Failure or Unknown as last reload reason. No system report generated.

Conditions

C9200L Not IOS dependent.

Workaround

RMA switch if issue occurs 2 or more times.

Further Problem Description

'show logging onboard switch active uptime detail' o/p looks like: 04/29/2021 14:54:05 Power Failure or Unknown 0 0 0 18 0 04/29/2021 16:22:12 Power Failure or Unknown 0 0 0 1 0 04/29/2021 17:16:28 Power Failure or Unknown 0 0 0 0 50