Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 4 Sep 2001 22:05:54 -0500 (CDT)
From:      Nick Rogness <nick@rogness.net>
To:        MurrayTaylor <MurrayTaylor@bytecraftsystems.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: WAN routing choices ...
Message-ID:  <Pine.BSF.4.21.0109042158400.32902-100000@cody.jharris.com>
In-Reply-To: <017a01c1359e$4c60c600$2a7627cb@bytecraft.au.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, 5 Sep 2001, MurrayTaylor wrote:

> I am extending our company network and invite comment as to the 'most
> useful' / 'least hassle' addressing schema
> 

> 
> 
>         +------------+
>         |   routing  |ng0
> LAN a --+    host    +---------------- internet
>         |     A      |
>         |            +-------+
>         |            |ng1    |
>         +------------+       |
>                             -/-
>                           WAN link
>                             -/-
>         +------------+       |
>         |   routing  |ng0    |
> LAN b --+    host    +-------+
>         |     B      |
>         |            |
>         +------------+
> 
> 
> FWIW the internet link and the WAN link are via a frame relay
> setup with netgraph, and nat -u is running on host A(ng0).
> 
> LAN a has a legal range 203...
> Host A(ng0) has a legal ip 139...
> 
> LAN b is a RFC1918 net  192.168.1.0
> 
> I can setup the WAN link on a different RFC1918 net 192.168.2.0
> and route accordingly
> 
> on A
> ifconfig ng1 192.168.2.1 -netmask 255.255.255.0
> route add -net 192.168.1.0 192.168.2.2


	Looks ok.  don't forget the default route out to the internet
	pipe.


> on B
> ifconfig ng0 192.168.2.2 -netmask 255.255.255.0
> route add default 192.168.2.1

	Yep.  Nice and simple...keep it that way ;-)

> 
> _or_
> 
> I can just setup the routing tables with the interface names only
> 
> on A
> route add -net 192.168.1.0 -interface ng1
> on B
> route add default -interface ng0
> 
> The Exam Questions ;-) 

> [1] If you were doing this WAN net, which method would you choose?
> 
> [2] Explain your choice?
> 

	Use IP's, not interface names.  It's easier to troubleshoot
	problems (IMHO).  What you have above looks fine to me.


Nick Rogness <nick@rogness.net>
 - Keep on Routing in a Free World...
  "FreeBSD: The Power to Serve!"


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.21.0109042158400.32902-100000>