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Date:      Fri, 11 May 2007 16:01:34 +0200
From:      Andre Oppermann <andre@freebsd.org>
To:        Ed Schouten <ed@fxq.nl>
Cc:        FreeBSD Hackers <freebsd-hackers@freebsd.org>
Subject:   Re: Multiple IP Jail's patch for FreeBSD 6.2
Message-ID:  <4644773E.60909@freebsd.org>
In-Reply-To: <20070511075857.GL23313@hoeg.nl>
References:  <45F1C355.8030504@digitaldaemon.com> <20070511075857.GL23313@hoeg.nl>

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Ed Schouten wrote:
> Hello,
> 
> It may be interesting to mention that yesterday there was a presentation
> at the NLUUG (Netherlands UNIX Users Group) conference by Marco Zec, who
> once wrote a patchset for FreeBSD 4.11 (and is in the process of porting
> it to FreeBSD 7.x) that gives each jail its own networking stack.
> 
> You can hook up physical interfaces to jails or perform bridging between
> jails through netgraph bridging code. That way you can create virtual
> network topologies on a single box. This will allow you to use multiple
> IPv4 and IPv6 addresses on each instance. You can even use (I)PF(W)
> inside jails.

I'm working on a "light" variant of multi-IPv[46] per jail.  It doesn't
create an entirely new network instance per jail and probably is more
suitable for low- to mid-end (virtual) hosting.  In those cases you
normally want the host administrator to excercise full control over
IP address and firewall configuration of the individual jails.  For
high-end stuff where you offer jail based virtual machines or network
and routing simulations Marco's work is more appropriate.

-- 
Andre

> More information about this can be found at:
> 
> 	http://www.tel.fer.hr/zec/vimage/
> 	http://imunes.net/
> 
> Yours,




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