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Cisco Bug: CSCvu65843 - FP2100: Fiber SFP Interfaces down due to autonegotiation changes in 6.6.0

Last Modified

Sep 28, 2020

Products (1)

  • Cisco Firepower 9300 Series

Known Affected Releases

99.14(1.141) 99.14(1.142) 99.14(1.143) 99.14(11.10) 99.14(11.11) 99.14(11.9)

Description (partial)

Symptom:
1Gig SFP Interfaces are in a down state once running FTD 6.6.0

Conditions:
Firepower 2100 series devices, running 6.6.0, using 1gig Fiber SFPs (in eth1/13+ ports).
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