Re: IP address on physcial interface instead of bridge interface?

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"richardvoigt@xxxxxxxxx" <richardvoigt@xxxxxxxxx> wrote on 2010/03/26 22:42:52:
>
> On Fri, Mar 26, 2010 at 3:48 PM, Joakim Tjernlund
> <joakim.tjernlund@xxxxxxxxxxxx> wrote:
> >
> >
> > Nicolas de Pesloüan <nicolas.2p.debian@xxxxxxx> wrote on 2010/03/26 21:39:33:
> >
> >> From: Nicolas de Pesloüan <nicolas.2p.debian@xxxxxxx>
> >> To: Joakim Tjernlund <joakim.tjernlund@xxxxxxxxxxxx>
> >> Cc: bridge@xxxxxxxxxxxxxxxxxxxxxxxxxx
> >> Date: 2010/03/26 21:39
> >> Subject: Re:  IP address on physcial interface instead of bridge interface?
> >>
> >> Joakim Tjernlund wrote:
> >>
> >> > Figure a small picture will help so here it is:
> >> >
> >> > Before adding eth0 to br0:
> >> > eth0    br0
> >> >  |
> >> >  |
> >> > HW controller
> >> >
> >> > after adding eth0 to br0:
> >> > eth0
> >> >   \
> >> >    \
> >> >      br0
> >> >    /
> >> >   /
> >> > HW controller
> >>
> >> I don't understand your ascii art. What is HW controller ? eth0 is an hardware
> >> controller !?
> >>
> >>    Nicolas.
> >
> > eth0 is the I/F IP stack will see/use. HW controller is the ethernet HW controller,
> > the PCI HW if you like.
>
> No!
>
> br0 does NOT sit between eth0 and the NIC.  eth0 still represents the
> NIC.  br0 sits on top, and represents the combined traffic stream from
> eth0 and all other bridge ports.  By adding eth0 to the bridge, you
> told it to forward all incoming frames to br0 which is the next higher
> layer in the virtual interface hierarchy.

Of course the above isn't how the bridge works today. I was trying
to described a new feature which would let me use eth0 as my normal
IP interface even after it was added to the bridge.
The above would emulate connecting the eth0 I/F to an external HW bridge.

   Jocke

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