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Cisco Bug: CSCvn66653 - MDS9148S very high SFP temperature alarms

Last Modified

Mar 16, 2020

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

6.2(27) 7.3(0)D1(1) 7.3(0)DY(1) 8.1(1) 8.1(1a) 8.1(1b) 8.2(1) 8.2(2) 8.3(1) 8.3(2)

Description (partial) 

Symptom:
MDS 9148S shows very high SFP temperature alarms. This happens when using a unsupported SFP.
The following logs are found in show logging log (SFP temperature can vary):

<pre>
MDS9148S# show logging log
2018 Dec  3 13:29:39 MDS9148S %USER-3-SYSTEM_MSG: lc_port_cfg: (line 609):SFP in port '1' reported temperature alarm. SFP temperature = '1275 C', threshold '78 C'  - lc_port_cfg
</pre>

Conditions:
Applies only to MDS 9148S switch, release 8.1(1) or 8.2(1). 
Has occurred only with non-supported SFPs.
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Bug Details Include

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