Question

LAN to Wireless to Wireless to LAN

Asked by: redseatechnologies

I have a temporary request for a new office install;

Internet is unavailable for a few weeks at this new office due to Telstra being so useless that it is painful.

So, they have struck an agreement with another tennant in the building to use one of their spare ADSL lines - so, I need to get that internet into this office.

Yes, a LAN cable would be good - but it is not a possibility - please don't suggest it.  There are tennancy walls in place, and OH&S issues that will simply not permit it.

My plan was to basically have 2 wireless points at either end (there is only about 10 metres between points, with no major obstructions (besides a thin, unreinforced concrete wall).  My issue is, I have not tried connecting WAN devices like this - so what hardware will I need, or better yet, what is the name of what I am trying to do here?

Thanks in advance!

-red

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Asked On
2007-05-28 at 15:29:35ID22598618
Tags

wireless

Topics

Wireless Networking

,

Wireless Technologies

,

Wireless Network Access Points

Participating Experts
1
Points
500
Comments
4

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Answers

 

by: static-voidPosted on 2007-05-28 at 15:41:12ID: 19169342

you want a wireless bridge, theres products out there specifically for this, my experience of trying to do stuff like this has been almost entirely negative but its deff doable from a technical perspective. my reccomendation would be to use a wireless bridge and a gateway, firewall/router i use smoothwall but you could also use a hardware device. the adition of a gateway will improve the stability of the network as you wont have to rely on your neighbors for anything but internet access

 

by: redseatechnologiesPosted on 2007-05-28 at 16:10:26ID: 19169439

Thanks static,

I should add, the neighbour is exceptionally helpful - mostly because they are a related company - and I also assist them with admin stuff.

Anyway, looking around, and making sure I get what you are talking about, it appears that I need one of these;

http://www.cnet.com.au/wireless/routers/0,239028894,240001911,00.htm

On our end, and say one of these on the other end with the internet line;

http://en.wikipedia.org/wiki/WRT54G

Configure the wireless router on the internet line per normal, then get the bridge setup on our end and connect it to the WLAN

Am I getting it?

 

by: static-voidPosted on 2007-05-28 at 16:26:00ID: 19169477

yeah that sounds like the story, basically what the bridge will do is connect to a wireless network as if it was a computer and turn that wireless signal into an ethernet port.

the reason i suguested putting a gateway type computer there is because if the wireless link drops out and your plugged straight into the bridge you will lose all of your internal network not just your internet. If you run a gateway type server stuff like dhcp and stuff will run on that so if you link drops out everyting in the internal network will still function, you just wont have web access. Even if you do trust your neighbors its probably a sensible move because you shouldnt trust the wireless:P also note that the bridge you just looked at may only actually get 7mb/s in testing, is this enough? having said that ive been impressed with my linksys stuff.

 

by: redseatechnologiesPosted on 2007-05-28 at 17:32:16ID: 19169586

7mb/s is more than enough when our link size to the net is only 1.5mb/s

We have a router on our side, which will plug into the bridge which will then hit the wireless router and that should be it

I have been both happy and disappointed with linksys - they work ok, but lack some obvious features, like VPN support, not just passthrough :/

Thanks for your help mate

20120131-EE-VQP-002

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