Connect ADSL modem/router to VM cable modem?

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Mark - 30 Sep 2007 10:52 GMT

Is there a way to connect my VM cable modem to a Belkin F5D7630? I want to
use the Belkin as a switch, with wired ethernet to the iMac, and wireless
access for the iBook. The only way I can see to connect the two is to plug
the ethernet cable from the VM modem into one of the four ethernet ports on
the Belkin (are these 'out' only though? Does the Belkin expects its incoming
signal through the RJ11 socket?).

I have tried to connect the iBook, and although it can 'see' the Belkin, I
can't get on line. I played with some settings, but do I need to somehow
switch off the modem part?

Cheers ... Mark

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Graham - 30 Sep 2007 21:17 GMT

> Is there a way to connect my VM cable modem to a Belkin F5D7630? I want to
> use the Belkin as a switch, with wired ethernet to the iMac, and wireless
[quoted text clipped - 8 lines]
> can't get on line. I played with some settings, but do I need to somehow
> switch off the modem part?

The Belkin can perhaps be configured as a network switch by disabling its
routing capability - I don't know whether you can do this on a Belkin. But
it would be much cheaper to use a real network switch - typical cost under
£10.

However if the device that connects to your cable service really is a modem,
you will still require a router to provide NAT (network address translation)
from the single external IP address (i.e. WAN) of your cable modem to the
several IP addresses on your LAN. For example a Vigor 2910G see:
http://www.draytek.co.uk/products/vigor2910.html

This of course will provide wireless and 4 LAN ethernet ports, so you won't
need the Belkin or any other switch (unless you have more than 4 cabled
computers!)

--
Graham J

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Mac Forum / Country Specific / UK Mac Group / September 2007

Connect ADSL modem/router to VM cable modem?