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Wireless Networks Thread, Wireless network links in Technical; Hi all, We've got a location that is currently connected to the main network via a 64k fax line (!!!) ...
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    Gerry's Avatar
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    Wireless network links

    Hi all,

    We've got a location that is currently connected to the main network via a 64k fax line (!!!) using 2 Zyxel DSL modems. We'd like to improve the link, but laying down fibre is too costly so we've been thinking about line-of-sight wireless solutions.

    Has anyone here had any experience with this kind of situation? If so, what would you recommend/suggest?

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    Re: Wireless network links

    We have WiFi links here to a couple of portacabins. They are becoming increasingly unreliable as everyone and his dog in the nearby housing estates get broadband internet and WiFi routers. It's going to get to the point where WiFi is nigh unusable due to interference.

    You might want to wander about with a WiFi enable laptop and Netstumbler and see if your going to have similar problems.

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    Gerry's Avatar
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    Re: Wireless network links

    No chance of that happening at our site - it's in the middle of the countryside! We have some portacabins too, and would like to link them, possibly also acting as a node to the location on the end of the fax line.

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    Re: Wireless network links

    One of my clients has a wireless DLS link between two sites and it seems to work quite well for them. I was initially worried that latency across the link may impact replication across the dc’s (the remote site has a separate domain and DC) but this is not the case.

    I agree with Geoff, it would be worth doing a wireless survey prior to investing any money though and I would try to keep internet traffic separate if possible.

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    Gerry's Avatar
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    Re: Wireless network links

    What would a survey involve? Are we talking about getting a consultant involved or is it something we could do ourselves?

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    Re: Wireless network links

    As I said, just wandering about with a wireless laptop that has a copy of net stumbler is good enough. If however as a result of this, you find a non-Wifi source of interference I suggest you contract a qualified radio engineer to triangulate it and track it down.

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    Re: Wireless network links

    Net stumbler and laptop is all I use and I have no problem being honest about it, you wouldn't believe the amount of “wireless experts” and “consultants” that try to pass the same kit off as something magical that a mere mortal would never comprehend.

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    Gerry's Avatar
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    Re: Wireless network links

    Thanks everyone for advice. I'll definitely have a go with NetStumbler sometime though I don't think we'll have any problems with interference.

    Anyone have any advice on line-of-sight solutions? Such as which equipment to use? Distance will be roughly 200-400m between nodes.

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    Re: Wireless network links

    If you want something to visually show you the 2.4ghz rf spectrum then consider investing in a wi-spy.

    Ben

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    Re: Wireless network links

    We had a fibre connection go down to a block, and as a temporary measure I linked the block to a another with 2 netgear access points set to bridge mode. Worked much better than I ever thought it would and users didnt really notice anything happened. Noone could tap into it either and so if you dont want to recable its quite cheap too.

    Regards

    D

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    Re: Wireless network links

    I have a school with some cheapy Buffalo WAP's (WLA-g54's and WBR-G54's) and some external antenna that link portacabins through WDS. Currently, its working quite well as we get about the same bandwidth of a 54Meg wireless connection (~3Megabyte/s @ 20m)

    If your feeling creative, you could use a similar setup and a homemade dish with an external aerial to direct the signal line of site (or you could buy a directional one) Google "wifi dish" if you want to home make

    Craig

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    Re: Wireless network links

    I saw someone on here chatting about Laser solutions.

    http://www.edugeek.net/index.php?nam...ght=laser+link

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    Re: Wireless network links

    Thanks for the suggestions guys. Good to know about different ways it can be done. Laser solution sounds interesting, but probably too expensive!

    Anyone have any experience with 5GHz wi-fi?



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