Cisco Bug: CSCuj42921 - EMC-ENTRANCE:Port goes to err disable, nack error and speed not supporte
Apr 21, 2014
- Cisco MDS 9000 Series Multilayer Switches
Known Affected Releases
Symptom: In case of some model of SFP, inserting and removing them in quick succession can cause the read to fail mid-way with nack errors, and the probing of supported speeds will fail. This causes port to not come up, and "speed not supported by transceiver" error will be seen, since correct speed was not read from sfp sprom. Conditions: Certain model SFP are removed and reinserted.
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Bug Details Include
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