Wireless Access

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Occasional Contributor II
Posts: 14
Registered: ‎06-06-2011

DHCP Relay - controller capacity

Hello,

 

We are attempting to isolate our user device MACs from our core network.  To faciliate this, we would like to add a layer 3 interface to every user data network and perform DHCP Relay at that point.  My question is:  what is the controller's capacity to handle DHCP Relay?

Our configuration currently looks like:

 

2 x 7240s running in master / master via VRRP, ArubaOS 6.3.0.2

12,000 unique concurrent devices

Approximately 500,000 DHCP Requests / day

 

Thanks for any insight,

 

John

 

Frequent Contributor II
Posts: 128
Registered: ‎03-13-2008

Re: DHCP Relay - controller capacity

I doubt engineering has tested this. If they have numbers it would be real world at a customer site. 

 

I do however have a customer running 7240's with 8-9K unique devices and dhcp relay running on each van without issue. I would start with a baseline of your controllers then add a few DHCP helpers vlans at a time and keep track of the load/processes. 

 

 

David Dipert
Occasional Contributor II
Posts: 14
Registered: ‎06-06-2011

Re: DHCP Relay - controller capacity

David,

 

Thanks for the reply with your experience.  The sizing you've seen lets me know the controllers shouldn't be an issue.

 

Regards,

 

John

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