Design WLC? -1 master to multiple WLC passant

OK I'll try to be quick...

Currently, we have 1 WLC controller 4402-50 (in our "non-critical" data center in the office).  This WLC control all points of access to 9 sites, all connected to the office (WLC) through links of qmoe from 10 to 50 MB.

We have a problem in that because all communities share the same a WLC site can slow down others especially when distribute us applications (some of our sites have cell phones 100% wireless, no connection).

Most of our band bandwidth/problems surrounds the fact that all the wireless to any place are on the same subnet and cannot use local servers slot in their place (on the local network) and must pass through and return on the WAN.

Our team of network tells us, to remedy this situation, we would have to spend 100 k to 1 controller at each location.  It is too high for our boss to swallow, and I guess to talk about adding more 4402-50 years who I guess is exaggerated...

I guess we could use 44xx-6 at most of the places which costs about 50% less, but there might be other options?  The 22xx series may eventually work with the 44xx we have for master/slave even controllers?  My boss would flip if we essentially threw the x 440...

Needs:

1. centralization of the secure ssid private and limited open comments ssid (the DNS redirector security)

2. wlan of each location must ultimatly dump for the LAN before through WAN (aka the controller on each site)

3 SSID is still universal from 1 site to another for laptops can go from 1 location to all others...

4 aPs-6-8 at MOST, heavier use is on 20 laptop computers at each location.

I unfortunately am NOT a network/Cisco guys, just some basic information to point our network team to cheaper alternatives...

Thank you for your time.

Hi Dan,.

If I understand your post you state that because of the slow data connectivity is due to 1 large broadcast domain.  Then you can consider to take advantage of your existing WLC and deploy the AP groups. This will allow you to break the cable side while broadcast domains by keeping the same SSID. I created a video how AP groups working on the link below... You will have taffic crosses over and over again back but not as large a broadcast domain that you currently have.

http://www.my80211.com/Cisco-WLC-Labs/2009/3/22/Cisco-AP-group-nugget.html

If you want to bail on the local network, then you may want to HREAP with LOCAL optional switching.

http://www.Cisco.com/en/us/docs/wireless/controller/6.0/Configuration/Guide/c60hreap.html

Tags: Cisco Wireless

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