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Network is unreachable, but only for two CX 6000

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  • 1.  Network is unreachable, but only for two CX 6000

    Posted Mar 29, 2023 10:59 AM
      |   view attached

    I have a building with 4 CX6000's connected in a ring as per attached picture.
    The ring is connected to a 2930F stack, which then connects to a firewall for routing purposes (also NTP and DNS).
    The four CX6000 have IDENTICAL configs as per attachment, differing only by hostname and IP address.
    All switches have management in VLAN 2, which is the native VLAN for interlinks. VLAN 1 is not used in this building.
    All CX6000 switches are able to ping each other and also every other device in VLAN2, including remote side of the 2930F.
    Switches A1 and C1 are able to ping devices in other vlans.
    Switches B1 and B2, the "leaf" ones, return error: ping4: connect: Network is unreachable.
    B1 and B2 have one interlink between them which is normally blocked by mstp.
    Again, the four CX6000 have IDENTICAL configs.

    Any thoughts?

    Thanks.

    Attachment(s)

    txt
    cx6000 configs a1-b1-b2-c1.txt   1 KB 1 version


  • 2.  RE: Network is unreachable, but only for two CX 6000

    Posted Mar 29, 2023 11:02 AM

    Better PIC


    Original Message


  • 3.  RE: Network is unreachable, but only for two CX 6000

    Posted Mar 29, 2023 02:05 PM
      |   view attached

    ..


    Original Message