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Wireless Networks Thread, Setting up wireless access points in Technical; Hi we currently have 17 access points around school and we have just upgraded them with g cards. But we ...
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    Setting up wireless access points

    Hi we currently have 17 access points around school and we have just upgraded them with g cards. But we are having some problems regarding connection around school.

    I was told that i need to manually set the frequency channel on each of them so they dont overlap.

    Now i have no idea how to do this or what would be the best way to do it.

    Does anyone have any idea or if someone has done this would it be possible to get some help or tips on how to do this.

    Thanks
    Tom

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    Re: Setting up wireless access points

    What access points are you using? And are they managed centrally or not?

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    Re: Setting up wireless access points

    all access points are

    HP ProCurve AP 520wl and there all managed individually we have to log on the all to set anything up.

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    Re: Setting up wireless access points

    You should try to set the channels as far apart as possible, channels 1, 6, and 11 is best, but 1,4,8,12 works OK as well.

    You just need to make sure you can not seem more than one AP on any channel at any part of the school. In practice this can be quite hard to achieve in a school environment, so make sure where the AP's are on the same channel in any one area one AP is nearley 100% signal strength and the other us under 20%.

    If this does not make sense or you need more help you can e-mail me at antaylor @ dlink.co.uk.

    Andrew

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    Re: Setting up wireless access points

    Be careful setting access points to channel 12 - some drivers for wireless cards that dont have country specific versions dont support this.

    If you have one access point per class, then you can probably turn their output power down, so they do not overlap quite so much. I haven't used hp access points before, so not sure how you do this on those, but it should be fairly obvious.

    Steve

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    Re: Setting up wireless access points

    Best way is to start with a map of your buildings, and add all your AP locations to it with names. Then using the map to identify how close each access point is to it's neighbors, you can choose channels for them all. Remember to consider vetically as well as horizontally.

    Once you've picked a channel for each AP you set them all up, then go walking around your buildings with a laptop and some sort of wireless tracking software (can't remember name of one I use now, sure someone else will know it!) You can then check what access points are available in the different areas of your school, and check their channels don't overlap.

    Our school is impossible to achieve a perfect result, as the whole school is arranged around a quad area, so classrooms on one side of the school quite often see APs from the other side of the building!

    Hope this helps.

    Mike.

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    Re: Setting up wireless access points

    Thanks for the help, i think i can set the channels seperately but there will be about 3 that will overlap, depending on how far the access points can see, as the case could be that alot may see each other.
    Do you know if there is any software i can use to pick each access point up. But as they have the same ssid i need to be able to see the different ones either by ip address or mac.

    Thanks
    Tom

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    Re: Setting up wireless access points

    Use a program called netstumbler. Also, to help solve the issue of overlap if there aren't enough clean channels, you should be able to reduce the power output of each access point so that they don't overlap.

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    Re: Setting up wireless access points

    I am just looking at net stumbler now but for some reason the mac address from it come up differenty than how they show up on the access point so icant tell which access point is which.

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    Re: Setting up wireless access points

    dont access points have 2 mac addresses. one for the wireless and one for the network (RJ45) ?

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    Re: Setting up wireless access points

    cheers for that i didnt think about i was comparing the actual mac of the access point to the wireless card mac.

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    Re: Setting up wireless access points

    Quote Originally Posted by bishopsgarthstockton
    dont access points have 2 mac addresses. one for the wireless and one for the network (RJ45) ?
    Indeed, that's correct. The Buffalo ones we have here list both on the label.

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