*BSD News Article 57565


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From: Bela Lubkin <belal@sco.COM>
Subject: Re: Help: Routing between FreeBSD and SCO
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Cc: cgrant@sei-it.com
Organization: work for SCO, speak for myself
Date: Fri, 22 Dec 1995 03:00:53 GMT
Message-ID:  <9512211900.aa15261@father.sco.com>
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James VanVleet wrote:

> SCO 3.2v4.2 (with nls382e patch, named ternion) box:

> /etc/tcp:       ifconfig wdn0 205.231.128.218 -trailers netmask
>                               255.255.255.224 broadcast 205.231.128.223
> /etc/tcp:       ifconfig e3E0 205.231.128.222 -trailers netmask
>                               255.255.255.224 broadcast 205.231.128.223

I don't think this will work.  A subnet is expected to be congruent with
a physical cable segment.  If you want to add a separate box on its own
seperate physical cable (the wdn0 attached to the FreeBSD box, in this
case), you need to put it on a different subnet.  e.g. put them on the
separate subnet 205.231.128.[160->191]:

SCO:

  /etc/tcp:       ifconfig wdn0 205.231.128.161 -trailers netmask 255.255.255.224 broadcast 205.231.128.191

FreeBSD:

  /etc/sysconfig: ifconfig_ep0="inet 205.231.128.162 netmask 255.255.255.224"

You're asking the SCO system to act as a bridge between two parts of the
same logical subnet, on two physical cables.  It won't do that; it will
only act as a router between different logical subnets.

>Bela<