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On Friday 19 October 2001 12:17, Paul Schwebel opined on the topic: 
[newbie] DSL and 8.1
> I'm using Mandrake 8.1 and thouroughly enjoy it. I'm
> trying to set my up DSL connection. I have a hardware
> connection from my NIC(eth0) to the DSL modem on a
> standalone Linux box.

Is the DSL modem an external modem/router/bridge, or an internal card? I 
will assume an external DLS modem...

> I'm a bit confused by the set up process using the
> Mandrake Control Center. It detects my NIC (3com
> 3c90x) without a problem, but it gives me set up
> options that I don't understand: under the
> Network&Internet -> Connection settings of the Control
> Center, it has one section called "Internet Access"
> and another called "LAN configuration". Now, I'm on a
> standalone machine. Do I need to configure both of
> these to get to the Internet thru the DSL modem
> attached to my NIC?

Just use the LAN Configuration. Ignore the other options.

> I also tried Roaring Penguin's software. It appears to
> connect, but then I can't actually ping anything or
> use any of the browsers that come with Mandrake.

Using the LAN connection setup, you don't really need PPPOE.

> Also, if this isn't too much to ask, I'd also like to
> know the _process_. That is, in M$Windows, I know what
> files are involved in the TCP/IP configuration, and I
> know where to look.  I don't have a clear idea of the
> same thing on Linux, and a lot of the man pages and
> HOWTOs appear to be written with a lot of *nix
> knowledge assumed.

I have DSL at home, with an external DSL modem/router, and it works like 
this: The DSL router (which is really what it is) acts as my default 
gateway. It connects to my ISP all by itself, and it contains all the 
user, password, etc. information it needs to do this automatically. I can 
completely ignore it.

My various PCs (one Windows, one RedHat Linux server that does DHCP for me 
plus some other services, one Mandrake 8.1 laptop) all use the DSL router 
as their default gateway (this option is assigned by the DHCP server). 
They are all connected via a hub, and the router is also on the hub. 
Pretty basic, right? You are even more basic, just a single PC with a 
crossover ethernet cable connecting you to your DSL router/modem.

I need to make another assumption: your DSL modem is also acting as a 
router, and not a bridge. This means that it is also acting like a 
mini-firewall, masquerading your internal "network" (even if it is just 
one PC) from the external Internet. If it were a bridge, then your PCs 
would all need to have public IP addresses, and you would want a real 
firewall in place to protect them. Your router is probably also set up to 
do DHCP for you (mine was, but I disabled it) on your internal network.

Therefore, you can choose a LAN Connection, and simply tell Mandrake to 
use DHCP for your NIC. And that's it. The DSL router (acting as a gateway 
and DHCP server) takes care of the rest.

If you want the nitty-gritty on exactly which config files are used to set 
up your networking, consult the networking-howto.

Hope this helps,
Dave
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