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Cisco wireless AP and repeater/bridge recommendation

Configuring Wireless Cisco Networks and Wireless Controllers.

Cisco wireless AP and repeater/bridge recommendation

Postby Guest » Tue Dec 14, 2010 8:06 pm

We e upgrading a school districts wireless implementation from b/g to 802.11-n lightweight 3500 Cisco APs off of a 5500-series wireless LAN controller.   The school stadium press box is about 200 from the primary school building, and theyd like to provide Internet access to the press box, and possibly even the stands/bleachers in front and to the sides.   Im looking for recommendations on extending the school wireless to the stadium, using whatever appropriate APs and extenders/repeaters would do the job.  Specifically:

 

1) Lets assume just coverage in the press box for now - its a 40x20 area, again approximately 200 from the school buildling.

 

2) Lets also provides additional options to extend this coverage to the stands, which would extend 100 feet to each side of the press box and approximately 75 from the press box down to the field level.

 

Specific models of Cisco APs, antennas and whatever repeating/bridging equipment, please. 

 

Reference links/docs are always appreciated, and thanks!

Guest
 

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Re:Cisco wireless AP and repeater/bridge recommendation

Postby Guest » Tue Dec 14, 2010 9:09 pm

Hi,

 

repeater/bridge when WLC is involved is called "Mesh deployment".

the idea is to have access points that are connected wirelessly to your network. The advantage of Mesh is that it uses 5ghz to communicate back to infrastructure and serves clients on 2.4 ghz so you don cut the bandwitdh as much as with repeaters.

 

You either can go for the 1520 for perfect outdoor AP (check the page for antennas and details :http://www.cisco.com/en/US/partner/products/ps8368/index.html )

 

Or you can use 1240 or 1130 for indoor mesh usage (concept is the same except that they are not built for outdoor placement) : http://www.cisco.com/en/US/partner/tech/tk722/tk809/technologies_white_paper09186a0080b1c101.shtml

 

 

But there is nothing yet in 11n to do what you are looking for.

Should you totally want 11n, I would suggest to go for IOS. Take 1250 APs and do an IOS bridge setup to create the link to that remote box. Then from there put normal capwap APs there for indoor coverage. They will have connectivity not realiziing there is an IOS bridge in the middle.

 

Nicolas

 

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Re:Cisco wireless AP and repeater/bridge recommendation

Postby Guest » Tue Dec 14, 2010 9:47 pm

Thanks for the feedback!   A couple follow-up questions, if I may:

 

They want the Clean Air functionality, so we e going to be going w/ the 3500-series APs indoors.  If I just wanted to provide wireless access to the press box, could I purchase one AP for out there, and then two 1400 wireless bridges to connect across the parking lot?  You mentioned using 1250 APs and a wireless bridge - are you suggesting that the 1250s could handle this bridging on their own (and possibly the newer 3500s as well), or would I still be looking at the 1400s to make the connection? 

 

Also, the 1400s use the 5-GHz band exclusively - if my APs are serving clients using the 2.4-GHz band, how does this work?  (Can the bridges receive on 2.4, then send over 5-GHz, and vice-versa on the other end?)

 

Ill research the mesh deployment for the stands - Im imagining that this may be too cost-prohibitive for them, but well see.

 

Thanks again.

Guest
 

Re:Cisco wireless AP and repeater/bridge recommendation

Postby Guest » Tue Dec 14, 2010 10:35 pm

1400 is the 5ghz outdoor bridge and 1310 is the 2.4ghz outdoor bridge. Best product for that usage.

However, if you want .11n speed, the only solution is to use a 11n AP that supports bridging. 1250 is the only one to my knowledge where this is officially supported. So you can put the 1250 indoor but the antennas outdoor (cables through the roof).

 

The bridge can be on the 5ghz, thats not a problem. In the end it just takes care of "what comes on bridge ethernet is sent on wireless" and vice-versa. On each side, the traffic is back to normal ethernet. The 3500 you will put in the press box will not be able to know if it is directly connected to wlc or through a wireless link ...

 

Nicolas

 

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