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Occasional Contributor I
Posts: 8
Registered: ‎04-18-2012

VLAN tagging with Aruba

[ Edited ]

Hi everyone,

I have a problem with VLAN tagging on my Aruba 3200 controller (Version: 6.3.1.5). Until now I used one WLAN in one VLAN on one Interface with no problems, but now I have to use two WLANs with two VLANs. I configured the second VLAN und WLAN but how do I set two VLANs on one Port? On my switch I can set the Aruba-Uplink port tagged with the two VLANs, that is not a problem. But where can I set the port inside the Aruba Box tagged? When I set the uplink port to "trunk", there is no difference the system repluys on untagged packages.

 

Vlan 550 -> employes

Vlan 551 -> Guests

 

interface gigabitethernet 1/2
        description "GE1/2"
        trusted
        trusted vlan 1-549,552-4094
        switchport mode trunk
        switchport access vlan 551
        switchport trunk native vlan 550
        switchport trunk allowed vlan 550-551
!

 

I think it must be very simple, but I don't get it.

 

Best regards

 

Alex

Guru Elite
Posts: 8,643
Registered: ‎09-08-2010

Re: VLAN tagging with Aruba

So if those are your only two VLANs, the config should look like this:

 

interface gigabitethernet 1/2
        description "GE1/2"
        trusted
        trusted vlan 550-551
        switchport mode trunk
        switchport trunk allowed vlan 550-551
!
 

 


Tim Cappalli | Aruba Security TME
@timcappalli | timcappalli.me | ACMX #367 / ACCX #480
Aruba
Posts: 1,377
Registered: ‎12-12-2011

Re: VLAN tagging with Aruba

In your config, you have a native VLAN set.  This means that that VLAN will be sent UNTAGGED.  So, 

 

VLAN 550 ---> UNTAGGED

VLAN 551 ---> TAGGED

 

Your commands: 

 

        switchport access vlan 551
        switchport trunk native vlan 550

 

Should be removed.

Seth R. Fiermonti
Consulting Systems Engineer - ACCX, ACDX, ACMX
Email: seth@hpe.com
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