Cisco Systems wireless survey

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Subject Author Date
wireless survey rhltechie 01-06-06
Posted by on January 6, 2006, 1:20 pm
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Hi All,

I was curious about how many of you have gotten site surveys for your
wlan before deploying your cisco aironet devices. i was also curious
as to what the cost was. i am asking as I could potentially have lots
of new wlan sites and was wondering if it
would be more cost effective to get the equipment and do them myself.
I am not sure what a survey entails, so this is just something i was
thinking about.

TIA,
R


Posted by Aaron Leonard on January 6, 2006, 2:38 pm
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If you're going to be deploying more than one AP, you should ALWAYS
do a site survey of some sort, whether that's just you with a laptop
walking around, running pings and looking at some little signal strength
indicator, or whether it's some kind of professional service using
expensive purpose-built equipment.

On the low end, you could just get something like a Cisco CB21AG card,
stick it in your laptop, and run the free Cisco Aironet Site Survey
Utility ...

http://www.cisco.com/en/US/products/hw/wireless/ps4555/products_data_sheet09186a00801ebc29.html

http://www.cisco.com/univercd/cc/td/doc/product/wireless/cb21ag/ssu/ssu12rn.htm

Whether you need a professional site survey or do it yourself depends on
the size of your project and the performance you require (not to mention
your budget.) For example, if you are doing VoIP over wireless and your
handsets are roaming throught a building, you'd BETTER do a good site
survey. Here's an example of what to do in that case:

http://www.cisco.com/en/US/products/hw/wireless/ps430/products_technical_reference_chapter09186a008043a3e8.html

Cheers,

Aaron

---


~ Hi All,
~
~ I was curious about how many of you have gotten site surveys for your
~ wlan before deploying your cisco aironet devices. i was also curious
~ as to what the cost was. i am asking as I could potentially have lots
~ of new wlan sites and was wondering if it
~ would be more cost effective to get the equipment and do them myself.
~ I am not sure what a survey entails, so this is just something i was
~ thinking about.
~
~ TIA,
~ R


Posted by on January 6, 2006, 2:55 pm
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Thanks for the reply Aaron. The upcoming projects would not be passing
VoIP traffic, but it is a large scale project, like a shopping center
of some sorts. The AirMagnet stuff on cisco's site is cool, but as i
understand it this is after you have purchased equipment and have an AP
to talk to, and are worried about where to place it. is this correct?
I suppose this is the benefit of paying someone to come in and they
would have all the equipment already, correct?

thanks again for the reply,

R


Posted by Uli Link on January 7, 2006, 6:02 pm
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rhltechie@gmail.com schrieb:

> Thanks for the reply Aaron. The upcoming projects would not be passing
> VoIP traffic, but it is a large scale project, like a shopping center
> of some sorts.

Before paying much money for a good site survey, you should define some
criteria.

What kind of devices, what performance requirements, redundancy and
availability. And also keep different material filling up the room in
mind. So you may have completely different reflections/absorbtion of
2.4GHz microwaves.

I can do a professional site survey using the same software in the same
building with very different results. Only difference is the
card/antenna in the client. Whatever is paid for ;-)


Nonetheless a good site survey also reveals good positioning and saves a
lot of APs and the related costs of cabling and mounting.

--
Uli

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