[CLUE-Tech] Subnets

[Gary & Sheri Mauldin]

Thanks for the great feedback!

Where would I define the alias -eth1:0- ?

-----Original Message-----
From: clue-tech-admin at clue.denver.co.us
[mailto:clue-tech-admin at clue.denver.co.us]On Behalf Of Brandon N
Sent: Saturday, March 10, 2001 8:36 AM
To: clue-tech at clue.denver.co.us
Subject: Re: [CLUE-Tech] Subnets


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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