Cisco Bug: CSCvv67857 - SG550X-48: Fans blasting when switches are stacked. No issue when standalone.
Sep 12, 2020
- Cisco Small Business 500 Series Stackable Managed Switches
Known Affected Releases
Symptom: When Customer connect SG550X in stack mode, one of them report the following messages: Alert %STCK SYSL-A-UNITTRP: UNIT ID 2,Trap:%Environment-A-ENV-MONITOR-CHNG: sensor 5 (Phy) temperature 92C .Temperature is back to normal threshold Alert %STCK SYSL-A-UNITTRP: UNIT ID 2,Trap:%Environment-A-ENV-MONITOR-CHNG: sensor 5 (Phy) temperature 96C .Temperature reached the warning threshold And the fan runs at full speed. Conditions: Hardware: SG550X-48-K9-EU Firmware: 220.127.116.11 SG550X in stack mode. No issue when in standalone mode.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.
Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
- Related Community Discussions
- Number of Related Support Cases