Subject: Re: network interfaces(my fault)
To: Frederick Bruckman <fb@enteract.com>
From: Andrei Zaitsau <mertis@ameritech.net>
List: netbsd-users
Date: 03/11/2001 15:30:03
----- Original Message -----
From: "Frederick Bruckman" <fb@enteract.com>
To: "Unix Wizard" <mertis@ameritech.net>
Cc: "Manuel Bouyer" <bouyer@antioche.lip6.fr>; <netbsd-users@netbsd.org>
Sent: Sunday, March 11, 2001 1:10 PM
Subject: Re: network interfaces(my fault)


> > > You can't have two interfaces with the same address! In fact, you
> > > can't even have two interfaces on the same machine on the same
> > > network. How would it know which interface to send a packet out on?
> > >
> > > It's a bug that you were even be able to do that!
> > >
> > > Maybe if you tell us exactly what you're trying to accomplish (dhcp
> > > client and gateway for a cable modem?), folks here could help you
> > > design a network that makes sense.
>
> On Sun, 11 Mar 2001, Unix Wizard wrote:
> > Sorry Folks,
> > I typed it by hand  output of the commands, duh?! Mistyped IP one ne2 in
my
> > e-mail.Accept my appologies..
> > Okay correction
> > IP for ne2 192.168.0.4
> > IP for ne3 192.168.0.5
>
> There's your problem! They're both on network 192.168.0/24, so how
> can the router have both in the routing table, and if it did, how
> would it know which one to use?
>
> > It's going to be a GATEWAY, but for simplicity let's look at it as a
regular
> > workstation with 2 NIC's
> > Connected to a switch. While ne2 is working, and ne3 is not.
>
> Assuming that the external address is imposed by your cable modem,
> just pick a different network for your internal interface (say,
> 192.168.100). "defaultroute" as defined in /etc/rc.conf or /etc/mygate
> should remain on your external interface. By the way, if you didn't
> know this already, all you have to do to enable the change is execute
> "/etc/rc.d/network restart".
>
> By the way, this discussion would be easier for others to follow if
> you would quote judiciously, preserve the attributions, and have your
> response _follow_ the text your responding to. [Top posting is for
> MCSEE's and other mental defectives. :-)]
>
>
> Frederick
>

Guys !
You rule !
It's working fine now ! They were at the same network, that was a problem.
Thank you all for your help! I am a happy men now!
Thank you! Thank you! Thank you!