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Cannot Send VLAN traffic between AOS and AOS-CX

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  • 1.  Cannot Send VLAN traffic between AOS and AOS-CX

    Posted May 25, 2023 12:18 PM

    I mostly have AOS switches in my environment. I am attempting to implement my first AOS-CX switch. The problem I ran across is this:

    AOS Switch 1 port

    Interface A1
    tagged vlan 1,2,3,4,5,6,7,8,44


    AOS Switch 2 port

    Interface A1 (talks to switch 1)
    tagged vlan 1,2,3,4,5,6,7,8,44

    Interface A2 (talks to CX switch)
    tagged vlan 1,2,3,4,5,6,7,8,44

    AOS-CX Switch port

    ip address 192.168.1.X

    Interface 1/1/1
    no shut
    no routing
    vlan trunk native 44 tag
     vlan trunk allowed all


    VLAN 44 is my management vlan. Wireless and wired works just fine. I can plug into it and get out. When I try to ssh into 1.X, it does not work. when I ping 1.x from the main core, it does not work. It appears traffic cannot escape vlan 44 ON THE SWITCH SWITCH ALONE. All other 100 switches using that same vlan and subnet work just fine.

    This tells me there is an issue with the vlan tagging translation from AOS to CX. for some reason it is not making it across properly. Anyone got any idea why?



  • 2.  RE: Cannot Send VLAN traffic between AOS and AOS-CX

    MVP GURU
    Posted May 25, 2023 12:53 PM
    What's the output of show vlan ports ethernet A2 detail issued on AOS-S switch 2?



    Original Message


  • 3.  RE: Cannot Send VLAN traffic between AOS and AOS-CX

    Posted May 25, 2023 02:03 PM
    -------------------------------------------------------------------------------
    VLAN  Name                            Mode            Mapping                  
    -------------------------------------------------------------------------------
    1     DEFAULT_VLAN_1                  trunk           port                     
    44    Management                      native-tagged   port                     
    2    VLAN5                           trunk           port                     
    3    VLAN10                          trunk           port                     
    4   VLAN20                          trunk           port                     
    5    VLAN32                          trunk           port                     
    6    VLAN33                          trunk           port                     
    7    VLAN50                          trunk           port      

    Original Message


  • 4.  RE: Cannot Send VLAN traffic between AOS and AOS-CX
    Best Answer

    Posted May 29, 2023 10:31 PM

    I figured out the problem on my own.

    Route statement was incorrect. Once I fixed that, I was able to access it


    Original Message