Understand 16G FC Interop Verification between NCS2K 400G-XP Line Card and MDS 9710

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Updated:November 18, 2025
Document ID:225383

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    Introduction 

    This document describes the recommended configuration settings and associated details for 16G Fiber Channel (FC) Interoperability (interop) between the 400G-XP Line Card in the Cisco NCS2K platform and the MDS-9710 switch.

    Problem

    This Cisco Optical Platform and Cisco MDS switch are described as reference for the 16G FC interop in the current document:

    • Cisco ONS Platform: NCS2006 OR NCS2015 with 400G-XP line card
    • MDS-9710 Switch

    For Cisco interop qualified status and the recommended configuration settings on NCS2K and MDS platforms to ensure smooth interoperability, observe the solution provided.

    Solution

    NCS2K 400G Line Card Recommended Configuration

    Starting with the release 10.6.2, the NCS2K-400G-XP card supported 16G Fiber Channel (16G-FC) payloads on its client ports.

    In order to support the 16G-FC payload, a new Slice Op-Mode, OPM_6x16G_FC, has been introduced.

    The OPM_6X16G_FC allows 16FC on ports 1, 2, 3, 4, 5, and 6. The 400G line card mode and slice configuration steps are elaborated here.

    For 400G-LC, these settings are recommended for client and trunk ports:

    ONS CARD Type 

    SAN Device 

    OPMODE 

    PAYLOAD 

    Client_SQUELCH 

    Trunk_SQUELCH 

    400G-XP

    MDS 9710

    MXP-200G

    16GFC

    LOCAL  FAULT

    AIS

    MDS-9710 Recommended Configuration

    MDS Settings:

    8/10/16 GFC MDS Settings

    Speed Admin = 16GFC

    Rate Mode = Dedicated

    Trunking = ON/OFF

    Buffer credits~ = 500

    Load Sharing = ON

    Revision History

    Revision Publish Date Comments
    1.0
    18-Nov-2025
    Initial Release
    TAC Authored

    Contributed by Cisco Engineers

    • Dhanumjaya Reddy Bommireddy
      Cisco TAC Engineer
    • Himanshu Shukla
      Customer Delivery Engineering Technical Leader
    • Vinoth Kumar
      Cisco TAC Engineer

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