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CSCug74475 - WS-X4748-UPOE E on 4500E suddenly stops providing power (Stall) - 1

Tac case logged, but response was just "known bug" 

 

Logs

%C4K_ETHPOE-4-SUPPLYFAULT: Module 10 POE controller has been shutdown because of excessive power usage.

 

%C4K_ETHPOE-4-I2CSTALLDETECTED: Module 10 POE controller has detected a stall,I2CRestartEventRegister:0 PoeHealthCheck-Old: 1595399102 PoeHealthCheck-Current: 1595399102

 

Inventory

NAME: "Linecard(slot 10)", DESCR: "10/100/1000BaseT (RJ45)+V E Series with 48 10/100/1000 baseT UPOE ports (Cisco/IEEE)" PID: WS-X4748-UPOE+E , VID: V01 , SN: 

 

and to add to affected OS list of the bug.  03.08.06.E.152-4.E6

 

??   July 22, 2021 update - Known Fixed Releases: (0) No release planned to fix this bug

 

HW-module reset recovered blade, but what is the recommended long term strategy?  RMA or Wait for Bugfix? 

2 Replies 2

balaji.bandi
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Try any Latest IOS XE see if that fix the issue, or as suggested, reload slot can resolve for some time, but the problem may come back again.

 

I do not believe any hardware issue here, this is more of software bug i guess,

 

same bug on IOS XE :

 

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk38654/?rfs=iqvred

 

Workaround:
unknown but possible workaround is reseating the linecard.

 

 

 

BB

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Will wait to see if the issue re-occurs before reseating the line card or updating the IOS.