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Virgin Media broadband Modem replacement

Posted on 2008-10-26
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Last Modified: 2013-12-21
I live in England and I have a virgin media 20mb cable internet connection.

1)Would I be able to replace the standard modem that virgin gave me when i signed up with a netgear (or any other manufacturer) modem?

2)Would it improve my internet connection at all?

3)Which modem would be best and how does it differ from the other models? i.e. model numbers: CMD31T, CME31T, CM232, etc

Netgear products:
http://www.netgear.com/Products/RoutersandGateways/Modems.aspx

Amazing graphic representation of my setup:
http://www.geocities.com/sam_garner_1985/Netgear.bmp

I don't think its a hard question but i asked the same question to netgear pre-sales technical help which was completely useless i might as well have asked my cat as the answer would have been just as helpful. They told me the model numbers i quoted were not netgear products (see the above link) and then when i convinced them that they were netgear models they said:

 ...this is directly copied and pasted from there reply...
I profusely apologize for the inconvenience caused. The model no: CMD31T, CME31T, CM232 or DM111Pv2 these are all wired modem and you will be able to access the internet only with one computer.

.....yeah because thats what i asked ...hmmmm i think someone needs a bit of training, maybe they should start using this website. Anyway enough with my rant... anything more helpful than the above would be greatly appreciated.


Thanks, Sam
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Question by:SamGarner
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Darr247 earned 125 total points
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If you're already getting 20Mb out of your connection, changing the modem won't make it any better. If you're paying for 20Mb and the modem virgin supplied isn't giving you 20Mb, they should have to replace the modem, not you.

Check your speed here
http://www.speedguide.net/speedtest  or
http://www.dslreports.com/speedtest

and record the results so you have a baseline. Try 3 or 4 different locations at different distances. e.g.  ivtstudio.com (California, USA),  host-easy.co.uk (London, UK),  w-kat.de (Berlin, DE) and  excite.net.nz (Auckland, NZ). Because different routes will probably give different (and closer to 'real world') results.

Then try the analyzer at http://www.speedguide.net/analyzer.php
and see if it suggests any changes.

If so, you can try them with the TCP Optimizer available at the top of this http://www.speedguide.net/downloads.php page.
First thing, use File->Backup Current Settings so if you tweak too much you can go back to what you have now.
Then change just one setting at a time, and only on the interface used to connecting to the internet. Typically that will be the GA311 on the PC in the diagram. I'm not sure what the SC101T is. (?)

After each tweak you should restart windows to be sure the change has taken effect. Then run the speed tests again (at the same locations as before) to see if the tweak made a difference.  But, as I said, if you're already getting 20Mbps, the tweaks probably won't help much. If you're not getting 20Mbps, try a few tweaks before complaining to virgin about your connection.
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