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10G/25G CX5 Ethernet Controller Resolution Guide

  1. Last updated
    Apr 3, 2025
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Last Updated:
4/3/2025, 5:10:54 PM

Applies to

Mezzanine/Adapter Cards:

X1122A Platforms: ASA A400, ASA A800, AFF A320, AFF A400, AFF A800, AFF C800, AFF C400, ASA C400, ASA C800, FAS8300, FAS8700
X91122A Platforms: ASA A900, ASA AFF A700, AFF A700, AFF A900, FAS9000, FAS9500
X91152A Platforms: ASA A900, AFF A900, FAS9500
X1152 Platforms: ASA A250, AFF A250, AFF C250, ASA C250, FAS500f
X1166A Platforms: FAS2820

Onboard affected models and ports:

Description

Ports on CX5 card "randomly" don't come up when booting the Node. This commonly impacts connections made to Cisco switches, however due to the nature of the problem can potentially impact connections to other switch manufacturers.

Cisco ACI can impact port auto-negotiation with SFPs

Timing issue during Auto-Negotiation (AN) with switch port 

 

 

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