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Date:      Thu, 7 Nov 2002 09:23:32 +0200
From:      David =?iso-8859-1?Q?Sieb=F6rger?= <drs@rucus.ru.ac.za>
To:        Alireza Mahini <alirezamahini@yahoo.com>
Cc:        questions@freebsd.org
Subject:   Re: How can i use multiple ethernet card for data transfer in my program( in C language)?
Message-ID:  <20021107072332.GA385@rucus.ru.ac.za>
In-Reply-To: <20021107033002.47061.qmail@web40702.mail.yahoo.com>
References:  <20021107033002.47061.qmail@web40702.mail.yahoo.com>

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At  7:30 PM on Wednesday  6 November 2002, Alireza Mahini wrote:
> I have two ethernet card(NIC)im my computer .Their
> characteristics are:
> 
> name:rl0
> ip:128.128.64.235
> netmask:255.255.0.0
> broadcast:128.128.255.255
> 
> name:rl1
> ip:128.128.65.235
> netmask:255.255.0.0
> broadcast:128.128.255.255

Notice that you've configured both of these interfaces on the same
subnet: 128.128.0.0/16.  I doubt that's what you intended.  The
operating system will create one route to the 128.128.0.0/16 network
and will send packets through that route.

I would suggest you change the netmasks to 255.255.255.0.  Or read up
on IP subnetting and rethink your network topology.


-- 
David Siebörger
drs@rucus.ru.ac.za

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