xen-users

[Top] [All Lists]

Re: [Xen-users] MTU-1492 Permenent Setting for Xen Specific Interfaces

from [J D Freeman]

[Permanent Link][Original]

To:	xen-users@xxxxxxxxxxxxxxxxxxx
Subject:	Re: [Xen-users] MTU-1492 Permenent Setting for Xen Specific Interfaces
From:	J D Freeman <xen@xxxxxxxxxxxxxxx>
Date:	Wed, 21 Dec 2005 00:57:34 +0000
Delivery-date:	Wed, 21 Dec 2005 00:58:44 +0000
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to:	<43A7B9A1.70903@xxxxxxxxxxx>
List-help:	<mailto:xen-users-request@lists.xensource.com?subject=help>
List-id:	Xen user discussion <xen-users.lists.xensource.com>
List-post:	<mailto:xen-users@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References:	<20051219234232.42973.qmail@xxxxxxxxxxxxxxxxxxxxxxx> <43A7B9A1.70903@xxxxxxxxxxx>
Sender:	xen-users-bounces@xxxxxxxxxxxxxxxxxxx
User-agent:	Mutt/1.5.9i

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Tue, Dec 20, 2005 at 08:58:25AM +0100, Erik wrote:
> Steven,
> 
> Why would you want to change the MTU, som applications won't like a non 
> standard (<1500) MTU, we use a MTU of 1504 on our 802.1q interface (an e1000)
> in Dom0 to bridge vlan interfaces to domU and preserve a 1500 byte mtu, mtu 
> 1504 should work without setting it as the kernel support 802.1q framing
> (1500 byte + 4 byte vlan tag).


The main reason you would want to lower the MTU like this is when using
something like PPPoE as part of an ADSL router.

If you have the right settings in iptables, linux doesn't care about the
lower MTU.

HTH

J
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.4 (GNU/Linux)

iD8DBQFDqKh+42M0lILkmGIRAh6VAKCj/ikau/oFw5z6hjDqpe0zE9UfsgCeIFxX
NiDr0S0wOoUIL2xuuiK5wSo=
=p14n
-----END PGP SIGNATURE-----

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
[Xen-users] MTU-1492 Permenent Setting for Xen Specific Interfaces, Steven Anderson [Xen-users] MTU-1492 Permenent Setting for Xen Specific Interfaces, Steven Anderson Re: [Xen-users] MTU-1492 Permenent Setting for Xen Specific Interfaces, Erik Re: [Xen-users] MTU-1492 Permenent Setting for Xen Specific Interfaces, J D Freeman <=

Previous by Date:	Re: [Xen-users] Xen networking concepts, John A. Sullivan III
Next by Date:	RE: [Xen-users] No init found., Colin Coe
Previous by Thread:	Re: [Xen-users] MTU-1492 Permenent Setting for Xen Specific Interfaces, Erik
Next by Thread:	[Xen-users] Running DomU File Base VBD from NFS Export, Tristram Cheer
Indexes:	[Date] [Thread] [Top] [All Lists]