WLC limit per RF Group

Answered Question
Oct 10th, 2007

Per Cisco documentation, it states that RRM supports a maximum of 20 controllers and 1000 APs per RF Group.

If I configure more than 20 WLCs with the same RF Group name, will the WLCs automatically divide themselves into 2 separate RF Groups or will this limit cause the 21st WLC to just not join the existing RF Group?

Thanks

I have this problem too.
0 votes
Correct Answer by irisrios about 9 years 3 months ago

It will not allow 21st controller from joining the existing RF group. You have to manually put them in seperate RF group.

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Correct Answer
irisrios Tue, 10/16/2007 - 10:16

It will not allow 21st controller from joining the existing RF group. You have to manually put them in seperate RF group.

Dmitry Halavin Wed, 10/17/2007 - 10:17

The controllers will automatically split into two RF groups (or more if they see fit, obviously, if APs do not hear each other).

dennischolmes Wed, 10/17/2007 - 11:04

Bear in mind that RRM tasks the controllers quite a bit from the memory and processor side. Having large numbers of multiple groups could cause reporting issues to WCS.

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