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PC & MAC CLINIC - On line problem solving. (CPU)     

Crocodile - 16 Dec 2002 03:59

DocProc - 03 Jul 2007 18:18 - 5877 of 11003

I've just kitted up round the house starting with a Devolo dLAN 200 AV Starter Kit for my main PC and modem with another couple of them for good measure elsewhere round the house.

Fast internet all round the house now. Wherever you want to use your laptop just plug it into the mains using one of these. Simple to install. Brilliant kit which works so easily and fast. Secure too.

In fact it's very nearly as good as Sky+

Optimist - 03 Jul 2007 18:20 - 5878 of 11003

Haystack

Regardless of what system you use, as it will be an open network, make sure that you put a firewall between the wireless network and any computers that your sailing club uses.

Haystack - 03 Jul 2007 19:35 - 5879 of 11003

The club PCs already have firewalls and anti virus software installed. Anyone using the network will be warned of the dangers.

skg83239 - 03 Jul 2007 19:43 - 5880 of 11003

Haystack,
The std way to cover larger areas is with seperate wireless access points transmiting using the same SSID but seterating the channels by at leaest one but better two channels. Each of the access pionts is connected to a central router via ethernet cables (max 96 meters). The central router could also be an access point.
skg

Kayak - 03 Jul 2007 20:23 - 5881 of 11003

The problems Wifi has are with going through walls. If you are just looking to do upstairs, downstairs and outside around the clubhouse then a bog standard wireless router has a good chance of being fine for the job.

MightyMicro - 03 Jul 2007 20:42 - 5882 of 11003

Wot K said. Also, if you do use multiple wireless routers or repeaters, remember that 802.11 b/g channels have quite a lot of frequency overlap. Off the top of my head, only channels 1, 6 and 11 have no overlap. It shouldn't matter because it's spread spectrum (try saying that after a few glasses of wine).

Optimist - 03 Jul 2007 20:47 - 5883 of 11003

Haystack

I'm not sure whether your clubs network is secure enough!

A serious home or a business network should have software firewalls and AV on each computer (the Win XP SP2 firewall is not as bad as some would tell you). In addition, there should be a seperate hardware firewall at the point of connection to the internet.

If you are connecting a semi public WiFi network to the same internet connection, then this should be connected to a totally seperate network segment so that anyone on the WiFi network can't access the fixed network any more than someone on the internet can.

Haystack - 03 Jul 2007 23:09 - 5884 of 11003

Yes. We do have firewalls and AV on each PC that belongs to the club.

ThePublisher - 04 Jul 2007 09:12 - 5885 of 11003

Just a comment that having installed AVG I still ran my F-Prot in tandem.

This morning I uninstalled the F-Prot and gosh the PC runs a heck of a lot quicker.

I read recently that it might be dangerous to run two ante-virus progs at the same time as they might both open the same file and mess up the operating system. This was what inspired me to remove F-Prot - but the gain in speed was unexpected and a true joy.

TP

maddoctor - 04 Jul 2007 12:16 - 5886 of 11003

supposed to have been upgraded by BT today to 8mb broadband and am getting 2mb download and 200k upload , any comments by anybody?

will moving from the voyager router to the bt hub speed things up?

Kayak - 04 Jul 2007 12:43 - 5887 of 11003

Your router is probably connecting at the highest speed it can manage. The 200kb up doesn't look good. If you can get from your router the values it shows for attenuation and noise margin (it will be on a statistics page) then I can probably help further. Also key in your details on the broadband checker and on the BT ADSL tab look up the speed it thinks it can support and the distance to the exchange:

http://www.samknows.com/broadband/checker2.php

maddoctor - 04 Jul 2007 12:55 - 5888 of 11003

kayak , tried the link it says:

Bt wholesale say my line will support 6mbps or greater with adsl max

standard adsl RAG results 2mbps adsl (whatever this means)?

Kayak - 04 Jul 2007 13:11 - 5889 of 11003

'Should' rather than 'will'. Some might say 'might' :-)

The 2mbps confirms that you would get that on a fixed 2mbps line, i.e. what you probably had before, rather than the up to 8mbps connection which you now have.

On an 'up to 8mbps' connection the speed the router can connect at depends on the quality of the line, hence the need for the router statistics.

DocProc - 04 Jul 2007 13:17 - 5890 of 11003

How to get your router statistics

PS. If you end up having to put an address in your browser to check on your statistics, don't forget to save it in 'Favorites'.

Optimist - 04 Jul 2007 13:38 - 5891 of 11003

Although I'm not with BT Broadband, when my line was upgraded, the advise was to frequently reboot the router for the first 2 weeks before max speed would be achieved.

maddoctor - 04 Jul 2007 13:41 - 5892 of 11003

says the following:

self test passed
standard T1.413
local tx power 9.55
local line atten 14.0
local line snr margin 30.5
up svalue 1
up dvalue 1
remote tx power 19.57
remote line atten 5.5
remote snr margin 29

no idea what any of this means , is it what you want?

maddoctor

maddoctor - 04 Jul 2007 13:44 - 5893 of 11003

have been told that this voyager 205 router may not support 8mb

Kayak - 04 Jul 2007 14:04 - 5894 of 11003

Those are pretty excellent statistics. Do you live very close to the exchange? I would have thought pretty much around the corner from it.

As optimist says the first thing to do is to wait two weeks, rebooting the router once daily. The exchange takes a while to establish the best speed the line can handle.

I took the speed figures you stated earlier as the connection speed, but I think you may have taken the figures from a speed test. What is the router itself showing as the connection speeds up and downstream?

maddoctor - 04 Jul 2007 14:07 - 5895 of 11003

downfast 2272
upfast288

700metres from exchange

again i ask is the problem this voyager 205 router

thanks by the way for helping , much appreciated

Bolshi - 04 Jul 2007 14:18 - 5896 of 11003

maddoctor. I was with BT until a while ago. BT state that you have to wait up to 10 days to get your max speed. Apparently it's a dynamic system (sic) that monitors speed and errors. It then tweaks your speed until it's at the max for your line.
Whenever I had a problem with BTBroadband I found it always took about 3 days to get back to the speed it was before the problem.
Keep monitoring, it'll get better.

Edit: Maddoctor. If you get through to the Indian Call Centre for help anytime - tell them to piss off from me.
:-)))))
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