2112 Controller Cluster

[FONATechSupport]

My company has a lot of thier business relying on the wireless network and I am trying to reduce the single points of failulre in my network infrastructure.  We have a single Cisco 2112 controller with 10 AP's that I am wondering if it's possible to cluster this with another controller for redundancy purposes?   Anyone know if it's even possible and if so, how to do it?

[chrkaise]

Hi Jeff,

For sure you can configure your controllers like this, however, the 2100 is now end-of-sale.

http://www.cisco.com/en/US/prod/collateral/wireless/ps6302/ps8322/ps7206/ps7221/end_of_life_notice_c51-691053.html

The replacement for it is the WLC 2504 and you can see more about WLC failover here:

http://www.cisco.com/en/US/docs/wireless/controller/7.0MR1/configuration/guide/cg_overview.html#wp1169709

-Chris

[FONATechSupport]

I already have one 2112 that's why I want to stick with clustering it.  Can the 2504 be clustered (failover) with a 2112?

[Leo Laohoo]

We have a single Cisco 2112 controller with 10 AP's that I am wondering if it's possible to cluster this with another controller for redundancy purposes? 

What do you mean "cluster"?  You mean a high-availability (HA) pair with another?  Not with the 2100.  You might with the 5508 and possibly the 2500.  Take note as I posted "might" because this is pending on the release of a new code within this year.

You can, however, have two options:

1.  You can have a second WLC; or

2.  Enable H-REAP (now known as FlexConnect).