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Re: [Xen-users] 8th DomU can ping bridge but not internet

To: Peter Braun <xenware@xxxxxxxxx>
Subject: Re: [Xen-users] 8th DomU can ping bridge but not internet
From: Igor Chubin <igor@xxxxxxx>
Date: Sun, 27 May 2007 19:27:29 +0300
Cc: Xen users mailing list <xen-users@xxxxxxxxxxxxxxxxxxx>
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On So, Mai 27, 2007 at 10:23:38 +0200, Peter Braun wrote:
> 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?
> 


Another idea.

Try to load netloop module with the nloopbacks parameter:

modprobe netloop nloopbacks=64

AFAIK, by default nloopbacks=8 or 7

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

-- 
WBR, i.m.chubin


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