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On Sun, 20 Jul 2008 17:54:32 +0100
Ted <ted99@xxxxxxxxxxxxxxxx> wrote:
> I wasn't clear - I meant the pc. To set up the wireless lan,
> I need to connect the wireless router to the pc via cable in
> place of the cable connection the pc now has to the modem. I
> was wondering what would be entailed in terms of setting
> changes etc if I later wanted to change back from a wireless
> router connected by cable to the pc to a modem connected by
> cable to the pc.
Assuming the PC is using DHCP in both cases you won't have to change
anything. Basically the PC broadcasts a request for connection
information, and the DHCP server replies with the settings it needs,
the PC doesn't care whether it's talking to a modem or a router. You
will need to reboot the PC when you switch between the two, so it gets
its settings again.
>
> Re your reply above, I had tried connecting the laptop to
> the modem but I couldn't get an internet connection. However
> I wasn't aware there was a wireless switch but I've now
> checked and I see there is and it was 'on' so that probably
> explains why I didn't get a connection (at least I hope it
> does)!
Did you reboot the modem then the laptop after you connected it? As the
modem only expects to talk to one machine it won't have issued new
network settings to the laptop because it thought it was still
supposed to be talking to the PC.
>
> When I turn on the laptop (still as out of the box), I have
> 3 adapters showing in Network Connections:
>
> - Wireless
> - 1394
> - Local Area Lan (ethernet)
>
> The first 2 are showing as 'connected' (from someone's
> leaking router somewhere) and the last one is showing as
> 'unplugged'. I can understand the Wireless and Lan but am
> not clear what the 1394 connection is and why it is showing
> as connected along with the Wireless.
>
IEEE1394 is FireWire, it's sort of like USB and is commonly used for
connecting to digital video devices or external hard drives. The main
difference from USB is that it's peer-to-peer rather than
client-server, so you can hook two PCs together using FireWire as if it
was a regular network connection. I guess it's showing as connected
because the interface is active. You can disable it in BIOS or Device
Manager if you're not going to use it.
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