Re: [OT] 2 access points wireless setup

On Dec 25, 2007 12:40 AM, Owen Townend <bowbowbow@optushome.com.au> wrote:
>
> On Tue, 2007-12-25 at 10:50 +0000, Mihira Fernando wrote:
> > On Mon December 24 2007, Javier Vasquez wrote:
> > > Hello,
> > >
> > > I wanted to setup 2 access ponts, 1 per floor in my house (for some
> > > reason the signla doesn't reach the other floor no matter which one I
> > > place the AP).
> > A thick floor can do that.

I've tried with just 1 AP, and it doesn't work, :(...

> > > What I've understood is that I then would need to use the same SSID,
> > > and perhaps the same channel, and WEP if used for both, or same WAP
> > > key if used for both. Is that right? Would the right thing be to set
> > > different SSID's instead (I guess if so then maybe different channels
> > > are required to prevent interference)?
> > If you plan to use the same SSID,WEP keys then use different channels.
> > Easiest, set the APs on auto channels.

One AP allows only hard configured channel (old dell true-mobile). The other one (belkin), allows auto channel configuration. As the hard configured one is set on 6, the other one is picking whether 1 or 11. Good news regarding the requirement of a channel difference of 5...

> > > I'm wondering, since I know there might be interference between the 2
> > > AP's, and I don't know what would happen in the zones under which both
> > > AP's are reacheable, only one stronger than the other...
> > If this is the case, do NOT use the same ssid. It can get quite messy if the
> > zones overlap and you have the same ssid.
> >
> > If your AP supports the repeater function, set one to be a reapeater for the
> > other zone.
> >
> > Mihira.
> > --

....

> Hey,
> One being a repeater for the other wouldn't work if your wireless
> isn't making it through the floor to begin with.

Yeap, that's the case...

> Run a cable upstairs (if you haven't already) then use both APs with
> identical SSIDs & key (and method, WEP, WPA, etc) but definitely
> different channels. Channels also overlap, so pick channels that are a
> few apart. You actually need to be 5 channels apart to be completely
> overlap free.

Do you need help?

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I already had cable in both floors, so I have the AP's both connected to the same ethernet link... As one of the AP's supports only WEP (the old true-mobile friend), then I set the same SSID and WEP key in both AP's. As mentioned bellow, for the old true-mobile I had to set a fixed channel, while for the belkin one I left the option as auto, and it's picking whether 1 or 11, and both seem to accomplish the 5 channels appart; but if it's better to have it fixed as well, please let me know...

So far things are working quiet nice, we'll se with time, :)...

> cheers,
> Owen.
>
> P.S.
> A few instructive pics about the channel distribution.
> http://paradigma.pt/ja/slog/wp-content/uploads/80211-frequency-channel-map.JPG http://images.google.com/images?q=wifi+channels

Very instructive 1st pic...

Thanks a lot,

-- 
Javier


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