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Cisco Bug: CSCvt60418 - IE4000 SFP TX_disable Not Asserted During Shutdown

Last Modified

May 29, 2020

Products (1)

  • Cisco Industrial Ethernet 4000 Series Switches

Known Affected Releases

15.2(7)E

Description (partial)

Symptom:
When sfp port is put in shutdown between fiber connected IE4000 switches, the fibre optic test equipment still see that there is light coming through.

Conditions:
Fiber cable is connected and interface is put in shutdown state via cli.
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