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Bring performance and reliability to your network with the HPE Aruba Networking Core, Aggregation, and Access layer switches. Discuss the latest features and functionality of your switching devices, and find ways to improve security across your network to bring together a mobile-first solution
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Question on VLAN Configuration

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  • 1.  Question on VLAN Configuration

    Posted 2 days ago
    I am new to this environment and currently troubleshooting an issue which appears to be a misconfiguration and needing some guidance as I am a bit confused on how this is partially working.  The configuration is core -> switch1 -> switch2 -> switch3 -> devices 
     
    In the below configuration the devices on vlan 7 work but on vlan 1 do not.
     
    Configuration
     
    Switch 1 interface that connects to Switch 2 
     
    Running configuration:
     
    interface 48
       tagged vlan 5
       untagged vlan 7
     
    Switch 2 interface that connects to Switch 1
     
    Running configuration:
     
    interface 10
       tagged vlan 7
       untagged vlan 1   
     
    Switch 2 connects to Switch 3
     
    Running configuration:
     
    interface 10
       tagged vlan 7
       untagged vlan 1
     
    Switch 3 
     
    interface 1/1/13
        no shutdown
        vlan trunk native 1
        vlan trunk allowed all
       
    If I make the below change the devices on vlan 1 works but on vlan 7 do not.
     
    Switch 1 interface that connects to Switch 2 
     
    Running configuration:
     
    interface 48
       tagged vlan 7
       untagged vlan 1


  • 2.  RE: Question on VLAN Configuration

    Posted 7 hours ago

    It would be easier with a diagram! Looks like you have some ProCurve/AOSS switches + at least one CX switch.

    As a general comment, make sure all the switch-switch connection ports are configured the same way:

    • a single untagged (aka native) VLAN with the same ID on both ports
    • each additional VLAN is then tagged on the same ports
    • make sure you allow the native VLAN in CX (or allow all) 



    ------------------------------
    Richard Litchfield
    Airheads MVP 2020, 2021, 2022
    ------------------------------

    Original Message