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Date: Tue, 7 Aug 2012 23:20:28 +0700
From: Eugene Grosbein <egrosbein@rdtc.ru>
To: Marko Zec <zec@fer.hr>
Message-ID: <20120807162028.GA22341@rdtc.ru>
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Cc: freebsd-net@freebsd.org, Jacques Fourie <jacques.fourie@gmail.com>,
	"net@freebsd.org" <net@freebsd.org>
Subject: Re: Send traffic to itself using real NIC
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On Tue, Aug 07, 2012 at 04:33:11PM +0200, Marko Zec wrote:

> There's no need to use epair at all here.  Just create a vnet jail, and assign 
> one of the igb interfaces into it, done:
> 
> # jail -c name=x vnet persist
> # ifconfig igb1 vnet x
> # jexec x ifconfig
> lo0: flags=8008<LOOPBACK,MULTICAST> metric 0 mtu 16384
>         options=3<RXCSUM,TXCSUM>
> igb1: flags=8842<...> metric 0 mtu 1500 ...

That would be nice solution but jail(8) manual page says:
"a fairly complete file system install of FreeBSD is required"
and that seems to be pretty big overhead. Meantime, I'll try to think up
some kind of NETGRAPH mesh.

Eugene Grosbein