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Cisco Bug: CSCvu25233 - 6454: SFP-H25G-CU5M to VIC1455_1457: Link-down and Link-flapping on some ports with others Link-Up

Last Modified

Oct 12, 2020

Products (1)

  • Cisco Unified Computing System

Known Affected Releases

4.0(1a)

Description (partial)

Symptom:
1. 6400 series FI port or N9K port connected to VIC 1455/1457 flaps after few hours when connected using 3M/5M 25G copper cable (SFP-H25G-CU3M, SFP-H25G-CU5M).
2. Link between VIC 1455/1457 and 2232PP FEX may flap after few hours when connected using SFP-H10GB-CUxM cables.

Conditions:
1. 6400 FI connected to 1455/1457 using SFP-H25G-CU3M or SFP-H25G-CU5M
2. VIC 1455/1457 connected to 2232PP using SFP-10GB-CUxM cable.
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