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Frequent Contributor II
Posts: 259
Registered: ‎03-02-2017

VLAN configuration between AP and Controller

Hi guys,

 

I am new in controllers and a little confused about the VLAN configuration between an AP, a controller and across all the network. Here I draw two cases:

 

Dibujo1.jpg

 

If I want to service clients in both WLANs Employee and Guest. How do every port need to be configured? Let's take VLAN 1 as the native VLAN. For example, I think is

 

Case A:

Eth0: Access in VLAN1

Eth1: Access in VLAN1

Gig0/0: Access in VLAN1

Gig0/1: Trunk with allowed VLANs2-3

 

Case B:

Eth0: Access in VLAN1

Eth1: Access in VLAN1

Gig0/0: Access in VLAN1

Gig0/1: Trunk with allowed VLANs1-3

 

Is this correct?

 

Regards,

Julián

Guru Elite
Posts: 21,274
Registered: ‎03-29-2007

Re: VLAN configuration between AP and Controller

APs do not need trunks.  They need access ports.  They tunnel all of their traffic back to the controller.  Where the controller connects to the layer 3 switch is where the user trunks need to be configured.



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Frequent Contributor II
Posts: 259
Registered: ‎03-02-2017

Re: VLAN configuration between AP and Controller

Hi Colin,

 

I understand. But the access ports in what VLAN? For example, what VLAN in the access port in the cases I illustrated?

 

Regards,

Julián

Guru Elite
Posts: 21,274
Registered: ‎03-29-2007

Re: VLAN configuration between AP and Controller

It does not matter.  The access points just need to be able to reach the controller.



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Frequent Contributor II
Posts: 259
Registered: ‎03-02-2017

Re: VLAN configuration between AP and Controller

Then the VLAN doesn't matter, simply the VLAN I choose need to "touch" the AP and the controller, am I right?

 

Regards,

Julián

Guru Elite
Posts: 21,274
Registered: ‎03-29-2007

Re: VLAN configuration between AP and Controller

The ip address of the AP can be on a different VLAN than the controller.  The ip address just needs to be able to send traffic to the ip address (route) to the controller.



Colin Joseph
Aruba Customer Engineering

Looking for an Answer? Search the Community Knowledge Base Here: Community Knowledge Base

Frequent Contributor II
Posts: 259
Registered: ‎03-02-2017

Re: VLAN configuration between AP and Controller

Ok Colin, many thanks!

 

Regards,

Julián

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