From owner-freebsd-net  Mon Apr  2  7: 4: 4 2001
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Date: Mon, 2 Apr 2001 10:06:49 -0500 (CDT)
From: Nick Rogness <nick@rogness.net>
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To: Daniel Wong <s2209866@cse.unsw.edu.au>
Cc: freebsd-net@FreeBSD.ORG
Subject: Re: Routing 4 machines... help! 
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On Mon, 2 Apr 2001, Daniel Wong wrote:

> Hi,
> 
> I have four machines, configured as follows.
> 
> Machine 1 (leaf node) (defaultrouter to internet gateway)
> fxp0 129.94.232.13
> fxp1 172.21.10.24
> 
> Machine 2 (router) (defaultrouter to internet gateway)
> fxp0 129.94.232.14
> fxp1 172.21.10.42
> fxp2 10.0.0.25
> 
> Machine 3 (router) (defaultrouter to internet gateway)
> fxp0 129.94.232.14
> fxp1 172.23.10.26
> fxp2 10.0.0.52
> 
> Machine 4 (leaf node) (defaultrouter to internet gateway)
> fxp0 129.94.232.5
> fxp1 172.23.10.62
> 
> Networks
> 129.94.232/24 - internet world
> 172.21/16 - network 1 (Machine 1/2)
> 172.23/16 - network 2 (Machine 3/4)
> 10/8 - network 3     (Machine 2/3)
> 
> I need to get the machine 2 and 3 to route... but I can't get them to
> work...
> each machines all have working connections, I have tested this and each can
> ping adjacent machines. I have enabled net.inet.ip.forwarding and have added
> additional route (by using route add -net ...)
> 
> When I try to ping from Machine 4 to Machine 1, it replies "sento: host is
> down"

	You need to either run a routing protocol of some kind or add
	static routes on ALL 4 of your machines.  For static routes, these
	should work:

	Machine 1:

	# route add -net 10.0.0.0 172.21.10.42 -netmask 255.0.0.0
	# route add -net 172.23.0.0 172.21.10.42 -netmask 255.255.0.0

	Machine 2:

	# route add -net 172.23.0.0 10.0.0.52 -netmask 255.255.0.0

	Machine 3:

	# route add -net 172.21.0.0 10.0.0.25 -netmask 255.255.0.0

	Machine 4:

	# route add -net 172.21.0.0 172.23.10.26 -netmask 255.255.0.0
	# route add -net 10.0.0.0 172.23.10.26 -netmask 255.0.0.0

> 
> Can someone help me set this network up ?? I don't know what's wrong. I know
> that it's not being sent out to the internet cause, it behaves differently
> when I set add a route schema in. In my rc.conf I have enabled
> router_enabled="YES" and router="gated" (also tried with "routed") the
> network mask is set as above, though the defaultrouter is set to the router
> of the external network (129.94.232.254)
> 

	What routing protocol do you have gated setup to run?


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


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