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RE: [Xen-users] 8th DomU can ping bridge but not internet
- To: "Peter Braun" <xenware@xxxxxxxxx>, "Xen users mailing list" <xen-users@xxxxxxxxxxxxxxxxxxx>
- From: "Stephan Seitz" <s.seitz@xxxxxxxxxxxx>
- Date: Sun, 27 May 2007 15:48:41 +0200
- Delivery-date: Sun, 27 May 2007 06:46:44 -0700
- List-id: Xen user discussion <xen-users.lists.xensource.com>
- Thread-index: AcegQSimtbGh9Q/7QFK4/o5wHTPg5wAJJOdT
- Thread-topic: [Xen-users] 8th DomU can ping bridge but not internet
Hi,
without deeper investigation into this behaviour, i would
assume that you run out of your device namespace after the
7th. domU.
Stephan Seitz
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx on behalf of Peter Braun
Sent: Sun 27.05.2007 11:24
To: Xen users mailing list
Subject: Re: [Xen-users] 8th DomU can ping bridge but not internet
New idea:
When bridged networking - is there need for functional IPTables? In
other words - to have working bridgeing do I have to have working
iptables in dom0?
iptables -L
FATAL: Module ip_tables not found.
iptables v1.3.5: can't initialize iptables table `filter': iptables
who? (do you need to insmod?)
Perhaps iptables or your kernel needs to be upgraded.
Peter
2007/5/27, Peter Braun <xenware@xxxxxxxxx>:
> 2007/5/27, Igor Chubin <igor@xxxxxxx>:
> > On Sa, Mai 26, 2007 at 03:42:23 +0200, Peter Braun wrote:
> > > Hi,
> > >
> > > there is gentoo based dom0 with Xen 3.0.4-p1 and some PV guests with
> > > various linux distros.
> > >
> > > We are using bridged networking with one eth0.
> > >
> > > We have 15 IP adresses with netmask 255.255.255.0.
> > > All IPs are using same gateway.
> > >
> > > Up to now we were adding domU based on our needs w/o problems.
> > >
> > > Yesterday we wanted to add new Debian based domU but its networking
> > > doesnt work properly.
> > >
> > > This 8th domU comes up ... than we realized that its not possible to
> > > ping/ssh 8th from outside world. Ping/ssh from dom0 to 8th domU works.
> > > On the other side ping/ssh to other domUs and dom0.
> > >
> >
> > Hello, Peter!
> >
> > I have faced similar problem.
> >
> > Try to change MAC-address in 8th domU.
> > That solved the problem for me.
> >
> > --
>
> Hi,
>
> am specyfiing MAC for every DomU. So based on your recommendation I
> changed vif for 8th DomU to vif=[ 'ip=x.x.x.x' ] only - without
> specifying MAC - situation hasnt changed.
>
> Still not able to create new domU with internet access.
>
> Any other idea?
>
> Peter
>
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