Campus Switching and Routing

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Contributor II
Posts: 62
Registered: ‎07-23-2014

Instant vs RAP

Hi,

 

I am considering what to choose for a remote campus where are about 50 access points needed. They are connected to the main site via vpn. At the main sitethere is an operational active-standby master pair with enough capacity to support the extra RAPs if needed.

Extra controllers won't be installed at the remote campus (budget wise).

Airwave is available.

Most of the traffic will be local, some traffic will go to the main campus, Internet breakout will be local.

Should I choose to use an Instant cluster solution or rather RAPs?

Is there a recommended maximum of RAPs, installed in one location, terminating on one central controller?

I always prefer controller-based actually, but in this case I'm not sure what to choose.

 

Br

Peter

Guru Elite
Posts: 8,325
Registered: ‎09-08-2010

Re: Instant vs RAP

Definitely not RAP. Generally 1-3 RAPs per location is recommended.



I'd recommend either a 7030 controller or Instant.

Tim Cappalli | Aruba Security TME
@timcappalli | timcappalli.me | ACMX #367 / ACCX #480
Contributor II
Posts: 62
Registered: ‎07-23-2014

Re: Instant vs RAP

Hi Tim

 

Thx for your answer. May I ask why this is the recommendation? Is there some limitation or is it based on ipsec overhead and efficiency?

 

Br

Peter

Guru Elite
Posts: 20,795
Registered: ‎03-29-2007

Re: Instant vs RAP

It is more based on how many ipsec tunnels certain routers/firewalls can pass to/from the same location.  Some router/firewall hardware is limited to only a single ipsec connection.  Even some that can pass more also have a limit, but performance can also be a consideration.  It is a mixed bag.

 

In addition, like you said ipsec overhead and efficiency are always a consideration, as well.



Colin Joseph
Aruba Customer Engineering

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Contributor II
Posts: 62
Registered: ‎07-23-2014

Re: Instant vs RAP

Thx both!

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