From: Stephen Hemminger <stephen@networkplumber•org>
To: vyasevic@redhat•com
Cc: "netdev@vger•kernel.org" <netdev@vger•kernel.org>,
"bridge@lists•linux-foundation.org"
<bridge@lists•linux-foundation.org>,
"Oleg A. Arkhangelsky" <sysoleg@yandex•ru>
Subject: Re: [PATCH net-next 0/4] Allow bridge to function in non-promisc mode
Date: Wed, 13 Mar 2013 09:09:21 -0700 [thread overview]
Message-ID: <20130313090921.05dbf6e2@nehalam.linuxnetplumber.net> (raw)
In-Reply-To: <51409F24.3070305@redhat.com>
On Wed, 13 Mar 2013 11:45:40 -0400
Vlad Yasevich <vyasevic@redhat•com> wrote:
> On 03/13/2013 11:39 AM, Stephen Hemminger wrote:
> > On Wed, 13 Mar 2013 08:12:29 -0400
> > Vlad Yasevich <vyasevic@redhat•com> wrote:
> >
> >> On 03/13/2013 02:22 AM, "Oleg A. Arkhangelsky" wrote:
> >>>
> >>>
> >>> 13.03.2013, 05:45, "Vlad Yasevich" <vyasevic@redhat•com>:
> >>>
> >>>> The series adds an ability for the bridge to function in non-promiscuous mode.
> >>>
> >>> What is the practical applications for such setup? In other words,
> >>> in which cases I would want to put bridge into non-promiscuous
> >>> mode and specify some uplink ports?
> >>>
> >>
> >> On of the applications would be when bridge is an edge device servicing
> >> a VM deployment. Each of the VMs knows the mac address that the guest
> >> has and may program that mac onto the uplinks.
> >
> > Why wouldn't that environment just use macvlan?
> > Is it because changing libvirt is harder than changing the kernel?
> >
>
> No, because macvlan has a drawback that it doesn't easily let guests
> talk to the host. Bridge is still most commonly used for just that reason.
>
> -vlad
Maybe fixing that with a flag to macvlan would be easier?
next prev parent reply other threads:[~2013-03-13 16:09 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-13 1:45 [PATCH net-next 0/4] Allow bridge to function in non-promisc mode Vlad Yasevich
2013-03-13 1:45 ` [PATCH net-next 1/4] bridge: Add sysfs interface to control promisc mode Vlad Yasevich
2013-03-13 15:38 ` Stephen Hemminger
2013-03-13 15:44 ` Vlad Yasevich
2013-03-13 1:45 ` [PATCH net-next 2/4] bridge: Allow an ability to designate an uplink port Vlad Yasevich
2013-03-13 20:33 ` Michael S. Tsirkin
2013-03-13 22:54 ` Stephen Hemminger
2013-03-13 23:43 ` Vlad Yasevich
2013-03-14 14:53 ` Dan Williams
2013-03-13 1:45 ` [PATCH net-next 3/4] bridge: Implement IFF_UNICAST_FLT Vlad Yasevich
2013-03-13 1:45 ` [PATCH net-next 4/4] bridge: sync device list when a new uplink is designated Vlad Yasevich
2013-03-13 6:22 ` [PATCH net-next 0/4] Allow bridge to function in non-promisc mode "Oleg A. Arkhangelsky"
2013-03-13 12:12 ` Vlad Yasevich
2013-03-13 15:39 ` Stephen Hemminger
2013-03-13 15:45 ` Vlad Yasevich
2013-03-13 16:09 ` Stephen Hemminger [this message]
2013-03-13 17:04 ` Vlad Yasevich
2013-03-13 18:56 ` [Bridge] " Joel Wirāmu Pauling
2013-03-13 20:08 ` Michael S. Tsirkin
2013-03-13 20:31 ` Michael S. Tsirkin
2013-03-14 15:10 ` Vlad Yasevich
2013-03-14 17:46 ` Michael S. Tsirkin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20130313090921.05dbf6e2@nehalam.linuxnetplumber.net \
--to=stephen@networkplumber$(echo .)org \
--cc=bridge@lists$(echo .)linux-foundation.org \
--cc=netdev@vger$(echo .)kernel.org \
--cc=sysoleg@yandex$(echo .)ru \
--cc=vyasevic@redhat$(echo .)com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox