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Re: Interconnect virtual device?

To: Ben Greear <greearb@xxxxxxxxxxxxxxx>
Subject: Re: Interconnect virtual device?
From: jamal <hadi@xxxxxxxxxx>
Date: 28 Feb 2005 07:06:06 -0500
Cc: "'netdev@xxxxxxxxxxx'" <netdev@xxxxxxxxxxx>
In-reply-to: <4222A8F2.6080004@xxxxxxxxxxxxxxx>
Organization: jamalopolous
References: <4222A8F2.6080004@xxxxxxxxxxxxxxx>
Reply-to: hadi@xxxxxxxxxx
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On Mon, 2005-02-28 at 00:15, Ben Greear wrote:
> Hello!
> 
> I am considering writing a kernel module to provide a very
> simple virtual interface.  This interface would be attached
> to another interface, and would not be directly associated with
> hardware.  It can have IP addresses & routing tables, and in
> almost every way appear to be a regular ethernet interface.
> 
> The idea is that when you tx on this virtual interface, it
> will cause a packet to be received on another interface.  And,
> when a packet is received on the interface, it will tx on the
> other interface.
> 

In other words, it redirects to another device - I take it based on some
rules. Sounds to me like the mirred action already does this (and in
addition can mirror).

> I believe I can use this to create some interesting effects with
> routing and bridging on a limitted number of physical interfaces.
> 

What "interesting effects" ?

cheers,
jamal


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