All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Sven Köhler" <skoehler@upb.de>
To: bridge@osdl.org
Cc: netdev@vger.kernel.org
Subject: Re: [Bridge] Bridge & it's MAC address question
Date: Mon, 09 Apr 2007 20:30:12 +0200	[thread overview]
Message-ID: <eve0nv$ang$1@sea.gmane.org> (raw)
In-Reply-To: <20061215160429.GC12679@xi.wantstofly.org>

[-- Attachment #1: Type: text/plain, Size: 884 bytes --]

>>>> The bridge physical address is the minimum of all the attached devices.
>>>> This is done because the STP standard requires it.  You can reset it
>>>> to be the same as any of the attached devices. This will not cause a
>>>> problem unless using STP.
>>> You can in fact use any MAC address.  The STP standard recommends using
>>> the minimum address, as that is deterministic, and so it doesn't depend
>>> on the order in which you enslave subdevices.
>> So should restriction be lifted?
> 
> We should definitely allow users to override the MAC address of a
> bridge interface.

Yes, i would love to have that feature.

I'm using a bridge for a Xen host machine. Interfaces of the Xen guests
are dynamically added to and removed from the bridge. At the moment, i
create and add a tun interface to the bridge, so the bridge has a valid
mac address at all.



[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 252 bytes --]

WARNING: multiple messages have this Message-ID (diff)
From: "Sven Köhler" <skoehler@upb.de>
To: bridge@osdl.org
Cc: netdev@vger.kernel.org
Subject: Re: Bridge & it's MAC address question
Date: Mon, 09 Apr 2007 20:30:12 +0200	[thread overview]
Message-ID: <eve0nv$ang$1@sea.gmane.org> (raw)
In-Reply-To: <20061215160429.GC12679@xi.wantstofly.org>


[-- Attachment #1.1: Type: text/plain, Size: 884 bytes --]

>>>> The bridge physical address is the minimum of all the attached devices.
>>>> This is done because the STP standard requires it.  You can reset it
>>>> to be the same as any of the attached devices. This will not cause a
>>>> problem unless using STP.
>>> You can in fact use any MAC address.  The STP standard recommends using
>>> the minimum address, as that is deterministic, and so it doesn't depend
>>> on the order in which you enslave subdevices.
>> So should restriction be lifted?
> 
> We should definitely allow users to override the MAC address of a
> bridge interface.

Yes, i would love to have that feature.

I'm using a bridge for a Xen host machine. Interfaces of the Xen guests
are dynamically added to and removed from the bridge. At the moment, i
create and add a tun interface to the bridge, so the bridge has a valid
mac address at all.



[-- Attachment #1.2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 252 bytes --]

[-- Attachment #2: Type: text/plain, Size: 165 bytes --]

_______________________________________________
Bridge mailing list
Bridge@lists.linux-foundation.org
https://lists.linux-foundation.org/mailman/listinfo/bridge

  reply	other threads:[~2007-04-09 18:30 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-30 12:27 [Bridge] Bridge & it's MAC address question Dmitry Mishin
2006-10-30 12:27 ` Dmitry Mishin
2006-10-30 15:28 ` [Bridge] " Stephen Hemminger
2006-10-30 15:28   ` Stephen Hemminger
2006-12-15 13:19   ` [Bridge] " Lennert Buytenhek
2006-12-15 13:19     ` Lennert Buytenhek
2006-12-15 15:52     ` [Bridge] " Stephen Hemminger
2006-12-15 16:04       ` Lennert Buytenhek
2007-04-09 18:30         ` Sven Köhler [this message]
2007-04-09 18:30           ` Sven Köhler

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='eve0nv$ang$1@sea.gmane.org' \
    --to=skoehler@upb.de \
    --cc=bridge@osdl.org \
    --cc=netdev@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.