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VLAN tagging between AOS and AOS-CX

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  • 1.  VLAN tagging between AOS and AOS-CX

    Posted 12 days ago
    Hello,

    I hope someone can help me.
    I have the following problem:
    Aruba 2540-48G-PoE+ 4SFP+ Switch and I wants to connect it with a Aruba CX 6000 12G PoE+ Switch.
    It works fine as long as there is no vlan tagging, which is needed.

    How can I connect multiple VLANs between AOS und AOS-CX?

    On 2540 I configure VLAN 1,48,50 as tagged.
    On CX6000 I configure VLAN trunk allow 1,48,50 with VLAN 1 as native vlan.

    But there is no communication between the switches.

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    If someone says, It doesn't work, it is his limit not yours.
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  • 2.  RE: VLAN tagging between AOS and AOS-CX

    MVP EXPERT
    Posted 12 days ago
    Hi Haensen87,

    On the 2540 you tagged vlan 1 where this the pvid vlan (what is untagged) on the CX6000.

    Did you enable the interface on the CX6000? Is the interface up?

    Example:
    interface 1/1/1
    no shutdown
    no routing
    description "link_to_link"
    vlan trunk native 1
    vlan trunk allowed 1,48,50
    exit​


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    Marcel Koedijk | MVP Expert 2022 | ACEP | ACMP | ACCP | ACDP | Ekahau ECSE | Not an HPE Employee | Opinions are my own
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  • 3.  RE: VLAN tagging between AOS and AOS-CX

    MVP GURU
    Posted 11 days ago
    What do you have on 2540 when use command :

    show port X detail

    ------------------------------
    PowerArubaSW : Powershell Module to use Aruba Switch API for Vlan, VlanPorts, LACP, LLDP...

    PowerArubaCP: Powershell Module to use ClearPass API (create NAD, Guest...)

    PowerArubaCL: Powershell Module to use Aruba Central

    PowerArubaCX: Powershell Module to use ArubaCX API (get interface/vlan/ports info)..

    ACEP / ACMX #107 / ACDX #1281
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  • 4.  RE: VLAN tagging between AOS and AOS-CX

    Posted 10 days ago
    the command is

    show interface <number>

    and i get information for name, link status, mac address, total send/received packages and errors

    @mkk: yes the port on cx6000 is enabled like every port in default configuration in lower cx series
    I already enter the commands you send.

    On Aruba 2540 you can't find information for pvid, I guess it is the default VLAN, which is by default VLAN 1.

    When I configure the connection with just "vlan access 1" everything works fine, but I need additional vlans on the CX Switch.

    I can try next week some things when I'm back at customers site.



    ------------------------------
    If someone says, It doesn't work, it is his limit not yours.
    ------------------------------



  • 5.  RE: VLAN tagging between AOS and AOS-CX
    Best Answer

    Posted 10 days ago
    Perhaps adding the value `tag` after defining the native vlan? Like so:
    interface 1/1/1
        no shutdown
        no routing
        vlan trunk native 1 tag
        vlan trunk allowed 1,48,50
        exit
    ​



  • 6.  RE: VLAN tagging between AOS and AOS-CX

    Posted 4 days ago
    Thanks to Tiffany.Chiapuzio-Wong the value "tag" helped.
    Now everything works as I wished.

    ------------------------------
    If someone says, It doesn't work, it is his limit not yours.
    ------------------------------