How to design topologies for SSID for 20.000 users?

[Ilya_Semenov]

Hello, everybody!

I am going to setup Wireless infrastructure for a big University. I will have Identifi with V2110 controller and 3825i APs. There are 12.000 students and about 8000 employees, who share same internal resouces. They have to use a single SSID.

How many topologies / (networks) should I create to support such amount of users?

I think that creating single /18 net for 8190 host is not a good idea because of broadcasts... Am I right?

I've heard that I can unite several VLANs under one SSID. Is this a solution for me? How will seamless roaming work in this case?

The 2nd question is how can I isolate users from each other but allow them to user internal resources?

Please, share your ideas!

Many thanks for your advices,

Ilya

[Ostrovsky__Yury]

There are multiple solutions:
- flat network
- topology groups
- solution with ExtremeControl (passive)
All three are currently used by our very dense customers (in terms of number of clients : 20K-50K) .
Can you please contact Kirill Zhukov , so he can forward your mail to me.
Thank you.

[Ilya_Semenov]

I believe it would be B@AP....

[Ilya_Semenov]

I am planning at the moment. Almost finished technical design specification. The most difficult things for me now is external authenticaion without NAC and Identifi users limit. Don't you know, whether Extreme is going to increase max. amount of users for Identifi solutions? 16k isn't enought for big universities...

[Drew_C]

Shouldn't a deployment that large be B@AP? B@HWC seems like it would be a huge bottleneck.

[Jeremy_Gibbs]

Depends on your design. Are you B@AP or B@HWC?