Aruba Instant & Cloud Wi-Fi

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Contributor I
Posts: 25
Registered: ‎03-26-2013

Layer 3 mobility between IAP and 3200 controller

Does anyone know if it's possible to have Layer 3 mobility between an IAP-based domain and an 3200-controller domain? If this is possible, are there any limitations in terms of how many GRE tunnels any one AP or IAP can support when clients are Layer 3 roaming?

MVP
Posts: 1,408
Registered: ‎05-28-2008

Re: Layer 3 mobility between IAP and 3200 controller

[ Edited ]

As far as i aware,You may try,IAP VPN Controller

http://community.arubanetworks.com/t5/Controller-less-WLANs/How-to-configure-basic-IAP-VPN-Controller-Configuration/ta-p/175014

http://community.arubanetworks.com/t5/Aruba-Solution-Exchange/Create-VPN-Tunnel-from-IAP-to-Mobility-Controller/ta-p/202669

Summary

Aruba Instant support building secure VPN connections to the head end Mobility Controller (MC). This allows wireless and wired users to access the corporate network's resources seamlessly. The traffic forwarding mode is determined by the selection of the station IP address assignment (VPN Mode).

IP allocation by the DHCP daemon in IAP is unique. User specified, the start and end IP address which could be a relatively large subnet, example 172.16.0.0/16. This large subnet will be further subnet by the controller based on the client count specified by users in the IAP. This process is automatic and no configuration is required. The calculated networks range will then be sent back to the IAP once the VPN is established. The following VPN modes are supported:

  • Distributed L3
  • Distributed L2
  • Local *
  • Centralized L2 *
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Guru Elite
Posts: 8,451
Registered: ‎09-08-2010

Re: Layer 3 mobility between IAP and 3200 controller

L3 mobility is supported between Instant clusters, not controllers.

Tim Cappalli | Aruba Security TME
@timcappalli | timcappalli.me | ACMX #367 / ACCX #480
Contributor I
Posts: 25
Registered: ‎03-26-2013

Re: Layer 3 mobility between IAP and 3200 controller

So Tim, L3 mobility between a IAP cluster and a 3200-based domain won't work?

Guru Elite
Posts: 8,451
Registered: ‎09-08-2010

Re: Layer 3 mobility between IAP and 3200 controller

Correct.



http://www.arubanetworks.com/techdocs/InstantMobile/Advanced/Content/Chapter
13%20L3%20Mobility/Overview.htm

Tim Cappalli | Aruba Security TME
@timcappalli | timcappalli.me | ACMX #367 / ACCX #480
Contributor I
Posts: 25
Registered: ‎03-26-2013

Re: Layer 3 mobility between IAP and 3200 controller

That's a shame! You would think this should be fairly easy to do across the two platforms! Thanks for the clarification.

Guru Elite
Posts: 20,989
Registered: ‎03-29-2007

Re: Layer 3 mobility between IAP and 3200 controller

RP2013,

 

You typically do not have a controller-based and instant-based deployment within airshot and that is probably why L3 Mobility does not exist.

You can request this is an enhancement, through your local Aruba Sales Team.



Colin Joseph
Aruba Customer Engineering

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Contributor I
Posts: 25
Registered: ‎03-26-2013

Re: Layer 3 mobility between IAP and 3200 controller

Thank you Colin! This is only a stop-gap solution until the customer gets a more powerful controller which can support the full complement of current campus AP's+ new IAP's (converted to campus AP's). I guess they'll have to use Layer 2 roaming instead.

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