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  • 1.  MX2020 interoperability issue

    Posted 04-23-2023 12:01

    Is the MPC11E & MPC7E & MPC3E-3D-NG-Q interoperable with each other within the same chassis of MX2020 that have SFB3..



  • 2.  RE: MX2020 interoperability issue

    Posted 04-24-2023 13:51

    According to https://apps.juniper.net/home/mx2020/hardware-compatibility - the MPCs are all listed as compatible but you need to run Junos 22.2R1 or later.

    Release notes confirm it -     https://www.juniper.net/documentation/us/en/software/junos/release-notes/22.2/junos-release-notes-22.2r1/topics/new-features/feature-descriptions/interfaces-3.html



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    Steve Puluka BSEET - Juniper Ambassador
    IP Architect - DQE Communications Pittsburgh, PA (Metro Ethernet & ISP - Retired)
    http://puluka.com/home
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    Original Message


  • 3.  RE: MX2020 interoperability issue

    Posted 04-25-2023 02:49

    thank you

    but i mean if all types of these above MPCs interfaces within the same chassis it will interoperate with each other .


    Original Message


  • 4.  RE: MX2020 interoperability issue

    Posted 04-25-2023 08:23

    It looks like the MX2K-MPC11E doesn't have the MPC7E listed as interoperable

    The MX2K-MPC11E is interoperable with these MPCs:



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    - Aaron
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    Original Message


  • 5.  RE: MX2020 interoperability issue

    Posted 04-26-2023 05:26

    When MPC11 was released (JunOS  19.3R2 & 20.4), its release notes said that it mandated SFB3 and that it didn't operate MPC7 or MPC3-NG. The same this is said for the new fabric SFB3 (mandatory for MPC11) that didn't either operate with them:
    https://www.juniper.net/documentation/en_US/release-independent/junos/topics/concept/mx2000-sfb3-description.html

    The MX2000-SFB3 interoperates with these MPCs:

      • MX2K-MPC11E

      • MPC6E

      • MPC8E

      • MPC9E


    However the release notes of JunOS 22.2 says this as new features:
    https://www.juniper.net/documentation/us/en/software/junos/release-notes/22.2/junos-release-notes-22.2r1/junos-release-notes-22.2r1.pdf

    MPC7 and MPC5 support with SFB3 (MX2010 and MX2020)- Starting in Junos OS Release 22.2R1, we support MPC7 and MPC5 with the SFB3 Switch Fabric Board. The SFB3 interoperates with MPC11.

    MPC2E-NG and MPC3E-NG support with SFB3 (MX2010 and MX2020)-Starting in Junos OS Release 22.2R1, we support MPC2E-NG (with ethernet MICs only) and MPC3E-NG (with ethernet MICs only) with the SFB3 Switch Fabric Board. The SFB3 interoperates with MPC11. This feature is supported only on Ethernet MICs.


    Therefore I would bet that (as often) new release notes say some things that are never replicated in other documentations...



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    Olivier Benghozi
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    Original Message