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GRE Tunnel from Local to Master for Guest traffic

Hi All,

 

I want to tunnel guest traffic from a local controllers to the master controllers so all guest traffic breaks out from one point.. 

 

I'm not 100% sure how to do this!

 

Guest VLAN is 960 which is present on local and master controllers.


Can someone point me in the right direction?

I've had a look at this post but I'm not 100% sure of the config http://community.arubanetworks.com/t5/ArubaOS-and-Controllers/Using-GRE-Tunnels-to-centralize-L3-access/m-p/2831 

 

James

Cheers
James

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-------------------@whereisjrw-------------------
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ACCX #540 | ACMX #353 | ACDX #216 | AMFX #11
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Guru Elite

Re: GRE Tunnel from Local to Master for Guest traffic

Whitehead,

 

Which part of it are you unsure of?  

 

The only issue I see is that you might have to reduce the MTU on the GRE tunnel (1400) so that it can traverse the existing ipsec tunnel that is between the Aruba Controller and the local.

 



Colin Joseph
Aruba Customer Engineering

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

Re: GRE Tunnel from Local to Master for Guest traffic

Here's the example cli commands in the user guide.

 

interface tunnel <id>
tunnel mode gre <num> <ip>
ip address <ipaddr> <netmask>
no shutdown
tunnel source {<ipaddr>| loopback | vlan <vlan>}
tunnel destination <ipaddr>

 

What is the ip address section? Is that just for connectivity between the GRE endpoints so isn't overlapping any ip interfaces?

Cheers
James

-------------------------------------------------------
-------------------@whereisjrw-------------------
------------------------blog-------------------------
ACCX #540 | ACMX #353 | ACDX #216 | AMFX #11
---------------------
-------------------------------------------------------

If a reply adequately addresses your issue, please click on the "Accept as Solution" and "Give Kudos" button so this information can benefit other users via search.
Guru Elite

Re: GRE Tunnel from Local to Master for Guest traffic

The destination is the ip address of the controller at the other end.

The tunnel source is the source ip address of the tunnel on the controller it is configured on.  Important for the *other* controller that has the reverse configuration, and expects trafffic from that ip address to form the tunnel.  You want the source ip address to be the egress interface of that controller.



Colin Joseph
Aruba Customer Engineering

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

Re: GRE Tunnel from Local to Master for Guest traffic

Thanks for the reply.

 

I understand the source and destination bit but what is the other "ip address" section?

Cheers
James

-------------------------------------------------------
-------------------@whereisjrw-------------------
------------------------blog-------------------------
ACCX #540 | ACMX #353 | ACDX #216 | AMFX #11
---------------------
-------------------------------------------------------

If a reply adequately addresses your issue, please click on the "Accept as Solution" and "Give Kudos" button so this information can benefit other users via search.
Guru Elite

Re: GRE Tunnel from Local to Master for Guest traffic

It does NOT need an ip address.  That would only be if you want to create a layer3 tunnel, but you do not want to do this in your situation.

 



Colin Joseph
Aruba Customer Engineering

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

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