Question

Linksys Access Point as a repeater

Asked by: gotti777

Ok my question might be fairly simple.  I have one building with standard setup ( T3 , Cisco Routers, Switches ect.)  Now I have until recently gotten by with a standard  WRT54G router but we expanded our building and purchased a Access point WAP54G to Extend our signal to the other side.  I am assuming I should be using wireless repeater setting on the access point.  After talking with tech Support (called 3 times tiring to find someone I can get to understand the situation got 3 different responses) one told me to use wireless bridge one told me to use to get wireless expanders in stead of using access points.  Anyhow Should I get rid of the Wireless Router (WRT54g) and get 2 Access points (WAP54G) or will the Router and access point setup work fine.  Second is the repeater mode the best option for me or should I be using one of the other methods.  I have a jack anywhere I put the Access point but one of the Support tech told me I didnt have to use the jack in repeater mode.  Is that also true? I am looking to put out just one signal thru out the building.  
 
Well I got 3 Ap's and got rid of the router.  I set one up fine. Then I go to the other side of the building and get a low signal. So I plug in the other Ap about 1/2 way and set it up using repeater add the Mac (with no wep for now) same channel and ssid. Take off the network cable not sure if it helps with it on or off.  But still get low signal.  Do I have to get off the connection then back on So it picks up the signal from the closest ap or will it do it automatically but even if I try that I still get low signal. Also can I use more than one Ap repeater? Will I be better off geting some Dedicated  repeaters?

 

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Asked On
2008-07-31 at 13:57:12ID23612445
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Wireless Networking

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Wireless Network Access Points

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Answers

 

by: mpabqPosted on 2008-07-31 at 14:39:46ID: 22133783

Forget about the Linksys router its not going to work.  That model of router will not work as a repeater.  II would suggest looking into getting a Buffalo WHR-G54S Wireless Broadband Router which can easily be used as a router or a repeater with the flip of a switch.  These are easy to program and have great distance and reliability.  I have been using them to run a few offices for over a year now.

 

by: Darr247Posted on 2008-07-31 at 20:34:18ID: 22135335

If you have cable connections wherever you want to place them, use cat5e to patch the APs to the WRT54G's LAN ports and run them in Access Point mode. Repeater mode cuts maximum throughput in half.

 

by: gotti777Posted on 2008-08-01 at 06:25:29ID: 22137966

Darr247 I Do have Lan ports everywhere but if I run them as APs wont it be a difffrent signal for each one my goal is to have one singal.  

 

by: gotti777Posted on 2008-08-01 at 08:26:16ID: 22139229

After reading up on a little of what you said .. Since I have lan access I should be setting them all up as Access Points (default) then all with the same SSID.. and WEP. If I give them all the same ssid will the clients just see one or will they see multiple. Should I be using the same channel too?  and Will the clients roam to the closets AP or if they walk to the other side of the building will he have to disconnect and reconnect

 

by: Darr247Posted on 2008-08-01 at 18:41:23ID: 22142813

> If I give them all the same ssid will the clients just see one or will they see multiple.

That depends what connection software you're using, but in any even with the same SSID they'll connect to any of them then talk to whichever is the best connection. If they're all on the same channel the clients will take turns talking to prevent collisions (that's part of the 802.11 spec). Using 3rd party connection software might allow you to lock them to a single access point (the windows wireless zero configuration service does not really let you do that).


> Should I be using the same channel too?

That depends on how much bandwidth you want to make available. On the same channel they'll take turns talking and will share an internet connection pretty well (even 802.11b can max out nearly any internet connection). If you want the fastest file transfers possible between clients on your LAN and they're not sharing an internet connection, then I would use different channels. In the 2.4GHz band you need to keep them 5 apart or they'll cause interference and collisions with each other - 1, 6 and 11 are the usual channels to use. Space them like
11                     1                        6                       11



            6                          11                      1                        6

with overlapping coverage and there won't be any interference.  It's far better to have the same channel overlap than one that's less than 5 channels different. e.g. see the report by Cisco at http://www.cisco.com/en/US/docs/wireless/technology/channel/deployment/guide/Channel.html

There they show how to make a spread of 1, 4, 8 and 11 work, but it also shows what happens when there's overlap of one and 4, and 8 and 11 compared to when there are 2 overlapping on channel 1 and two other APs occupying channels 11 and 6. With two of the same channel overlapping heavily, throughput is nearly twice as high as when dealing with 'interference' from (less than 5 away) adjacent channels. At the top of that page is a nice chart showing the relative overlap, but unfortunately they didn't label the channels! The 3 along the bottom of the first diagram (the 3 in red) are channels 1, 6 and 11.

20120131-EE-VQP-002

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