From owner-freebsd-questions  Tue Apr  3  8:30:58 2001
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Date: Tue, 3 Apr 2001 18:30:37 +0300
From: Ruslan Ermilov <ru@FreeBSD.ORG>
To: Edward <edward_gess@hotmail.com>
Cc: freebsd-questions@FreeBSD.ORG
Subject: Re: routing_tables
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In-Reply-To: <3AC9F829.A22C801@hotmail.com>; from edward_gess@hotmail.com on Tue, Apr 03, 2001 at 06:19:53PM +0200
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On Tue, Apr 03, 2001 at 06:19:53PM +0200, Edward wrote:
>         Hi all,
> I have one question, why do we need the "Gateway" field in routing
> tables, if we know to what interface the packets should be sent???
> 
Because just "what interface to send" is not always enough.  You can
have multiple gateways on a single LAN.

> Am I right when thinking that if the computer is not a gateway then
> it uses routing table only for outgoing packets and if the computer
> is a gateway it uses this (routing) table for both types
> (incoming/outgoing) of packets???
> 
Only for outgoing packets in both cases.  We don't need to "route"
incoming packets, they are already routed to us.


Cheers,
-- 
Ruslan Ermilov		Oracle Developer/DBA,
ru@sunbay.com		Sunbay Software AG,
ru@FreeBSD.org		FreeBSD committer,
+380.652.512.251	Simferopol, Ukraine

http://www.FreeBSD.org	The Power To Serve
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