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Date:      Sun, 1 Feb 2004 14:17:54 +0100
From:      Paul Schenkeveld <fb-net@psconsult.nl>
To:        freebsd-net@freebsd.org, Sandeep kumar Davu <sdavo@cs.kent.edu>
Subject:   Re: Strange routing configuration problem
Message-ID:  <20040201131754.GA44597@psconsult.nl>
In-Reply-To: <401EE394@webmail.kent.edu>
References:  <401EE394@webmail.kent.edu>

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On Sun, Feb 01, 2004 at 05:20:43AM -0500, Sandeep kumar Davu wrote:
> I have 3 machines running freebsd 4.5. I want to configure one of as a router.
> One machine (A) has a IP of 131.123.36.65 (dc0). This needs to be connected to 
> another machine (B) 131.123.36.102 (ed1)through a machine (R) that has two 
> network cards 131.123.36.98(dc0) and 131.123.36.101(dc1). The netmask for the 
> every ip is 255.255.255.192  (CANT CHANGE THIS).

Given your netmask, both IP addresses of R are in the same subnet
as machine B.

The card in R which is on the same subnet as A should have an IP
address between 131.123.36.66 and 131.123.36.94.

> I am able to ping A to R, R to A. Firstly I could not ping B to R. I figured 
> out that B was unable to find the lladdr or R and added a static route in R.
> 
> $route add 131.123.36.102 -interface dc1
> $arp -s 131.123.36.102 _ll_addr_
> 
> Doing so I could ping from R to B.
> 
> Now heres the problem
> >From B I can ping to one interface of R dc1. But I cannot get  to the other 
> interface dc0 nor to A.
> 
> I have configured the machine R to be  a router. gateway_enable="YES"
> router_enable ="YES"
> 
> Even this did not help at all. I dont know where I am doing a mistake.
> There is something that needs to be filled in.
> Can anyone please help me here.
> I am stuck in this for days.
> 
> Regards
> sandeep

Regards,

Paul Schenkeveld, Consultant
PSconsult ICT Services BV



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