Re: dhcpd with 2 interfaces

From: P.T. Breuer (ptb_at_oboe.it.uc3m.es)
Date: 10/24/03 

Date: Fri, 24 Oct 2003 06:25:24 GMT

Nico Kadel-Garcia <nkadel@comcast.net> wrote:
> Peter T. Breuer wrote:
> > WHAT kind of setup?
> >
> > randome_profile@yahoo.com wrote:
> >>I have a DSL connection to the internet,
> >
> > So do I. The DSL router is a dhcp server. It has to be, since in
> > principle it will require a dhcp contact before it will pass packets
> > to/from that MAC, since it's not silly :-) (it's a built-in firewalling
> > facility).

> Sigh. New news client, gotta re-install my Peter Breuer filters.

Do you go out of your way to be insulting and annoying, or are you just
bad over breakfast?

> In any case, while most "cable routers/firewalls" are DHCP servers,

There you are! And that's what I was telling the bloke, who assumed for
some reason that we could see through the internet and out of his eyes
and determine what kind of setup he has.

> there is absolutely no requirement that they be.

Well, there is, if they are routers between the internet and a private
range such as 10. or 192.168., which is the usual situation. I'll let
you think of it.

> As long as the firewall
> clients have their network configuration set up appropriately with an IP
> in the correct network range, netwask, and the gateway set up to point
> to the "router", it works just fine.

Except that "it" does not include any protocol which replies to your
client, if your client is on a non-routable IP address. Aha!

> This information is *usually* published to the clients by DHCP on the
> router, but it need not be.

And corrrrrrekt me if I am wring, but I seem to recall the OP was on a
192.168.1. net.

Peter

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