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Re: [Xen-users] Multicasting + NAT networking

To: "Thomas Im" <thim@xxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Multicasting + NAT networking
From: "Todd Deshane" <deshantm@xxxxxxxxx>
Date: Wed, 28 May 2008 16:49:54 -0400
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On Wed, May 28, 2008 at 12:27 PM, Thomas Im <thim@xxxxxxxxxxxxxx> wrote:
Hi all,

Apologies if this is a repost.  We're having trouble with multicasting on our NAT'd XEN network and we'd like to know if anyone has got this working or point us in the right direction.

Here is our current setup:  Xen (2.6.24-16-xen) running on Ubuntu 8.04 (hardy-heron) using the NAT networking scripts to create the network.  Everything seems to be working as it should in a NAT network:
- Dom0 can access the external network
- Dom0 can access the DomUs
- DomUs can access the external network through Dom0
- The external network cannot access DomUs
- DomUs can access each other (ssh works)

There was a bad network bug in the Linux Xen kernel from hardy 2.6.24-16-xen

I would recommend upgrading to the 2.6.24-17-xen to see if that helps.


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