Send traffic to itself using real NIC

[Eugene Grosbein]

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