[CLUE-Tech] Subnets
Brandon N
bneill at yahoo.com
Sat Mar 10 08:35:37 MST 2001
Actually, I don't think you need three ethernet cards, you can do it
with two (or even one, with loss of security)
I haven't done this yet, because I haven't got my computers set up
after I moved.
Router
DSL---------------------eth0
eth1---------------192.168.0.0/24
eth1:0-------------206.124.13.64/24
There is more about IP aliasing at
http://www.linuxdoc.org/HOWTO/mini/IP-Alias/
Here is the IP Masq HOWTO
http://www.linuxdoc.org/HOWTO/IP-Masquerade-HOWTO.html
There are lots of other good HOWTO's at www.linuxdoc.org
--- ian <iguy at ionsphere.org> wrote:
> So you have a couple of boxes that you want to have full access to
> the
> internet? Basically.. you have 3 sets of boxes..
> A, B & C
>
> A = 1 Box - The router / NAT / DHCP
> B = NATted boxes which exist on a private network
> C = Boxes that are part of the internet
>
> It goes like this.. Internet -> A -> B & C
>
> You can use your Firewall/Router server to handle both.
> What you need to do is as follows:
>
> 1) Set up your Subnet B as Masqurading through the firewall/A
> 2) Setup your Machine IPs (as these are defined by your ISP) to
> route through A
>
> To do this you need to have a seperate ethernet card for each subnet
> so A will have to have
> 3 ethernet cards.
>
> There is a ton of info out there on routing, MASQ (masquarading) and
> Firewall configuration.
> Just look for the Linux Documentation Project and you'll be all set.
>
> Granted this doesn't tell you line for line how to do it. Its not
> easy.. Just straight forward
> step by step.
>
> ian
>
>
> On Fri, Mar 09, 2001 at 06:17:43PM -0700, Gary & Sheri Mauldin wrote:
> > I have a firewall/DNS/DHCP server set up (Share The Net).
> >
> > I have a current LAN/WAN 206.124.13.64/24 from my ISP.
> >
> > I want some of my PC's to do go through NAT/DHCP and others to be
> able to
> > have assigned IP's in the above mentioned subnet.
> >
> > I am connected to the internet through a DSL router.
> >
> > The Ip's that are NAT/DHCP need to be able to telnet to an assigned
> IP in
> > the above mentioned subnet.
> >
> > How can I do this? Would I need an additional ROUTER to connect
> two
> > different subnets? Where can I get a quick education on IP
> subnets?
> >
> >
> >
> > Gary Mauldin
> > (newbie)
> >
> > _______________________________________________
> > CLUE-Tech mailing list
> > CLUE-Tech at clue.denver.co.us
> > http://clue.denver.co.us/mailman/listinfo/clue-tech
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