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Cisco Bug: CSCsy78562 - GLC-LH-SM unable to linkup S/N beginning with FNS using MMF cable.

Last Modified

Feb 22, 2014

Products (1)

  • Cisco Catalyst 3750-E Series Switches

Known Affected Releases

12.2(50)SE

Description (partial)

Symptom:

SFP linkdown occurs after completely insert MMF cable.
But when cable is inserted not completely (half insert cable), link comes up and stays up.

Conditions:

This symptom is confirmed in the following condition;

GLC-LH-SM(S/N:OPC-) ---- LC-LC MMF [5m] ---- GLC-LH-SM(S/N:FNS-) 


Also this symptom is seen only on the combinations S/N beginning with OPC- and FNS-.

The same S/N series has no problem at all.
It seems that this symptom is a bug.
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Bug Details Include

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