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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Just double checking, but about the other machine you have put on the same network as your VMs, is the interface configured in the same subnet as the VMs?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Also, Just to be clear, not sure anyone has ever tried the sort of setup you are wanting (Single interface, with no VLANs). I have seen many setups using a single interface and VLANs, and many setups using different physical interfaces, and some combinations of the two, but I haven’t seen anyone try collapsing everything onto a single physical interface. It might not work due to the way nova network in flatDHCP works (i.e. adds a DHCP server onto your network).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Just checking, but you are using FlatDHCP networking, I presume?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>If you haven’t assigned a floating ip and you are using some kind of flat networking, the public network configuration should be largely unimportant.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I think you want these settings:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>flat_networking_bridge=xenbr0<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>flat_interface=eth0<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>What is the state of your VM, does it seem to have the correct IP address from the nova network DHCP?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I think you are close with your flags now, but I can’t be specific with the help without more information:<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:38.25pt;text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>a list of your flags in nova.conf<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:38.25pt;text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>networking info (ifconfig or otherwise) from both Dom0 and DomU (with compute running) and the VM<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:38.25pt;text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>networking config from XenServer (networks, DomU VIFs and VM VIFs)<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:38.25pt;text-indent:-18.0pt;mso-list:l1 level1 lfo2'><![if !supportLists]><span style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>a copy (in text form) of the network related tables in your DB (or all the values from your “nova-manage network create” and related calls)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>More general advice is:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>To make sure all the new network settings get applied, I would recommend:<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>stop all nova services<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>reset your nova DB<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Courier New";color:#1F497D'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>delete the old DB<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Courier New";color:#1F497D'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Create the DB, do DB migration again, etc.<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:72.0pt;text-indent:-18.0pt;mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Courier New";color:#1F497D'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Add in your network again, (please tell us what values you use for that)<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>start all nova services<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>It might be worth adding a second VIF on the same network, calling that eth1 in the Nova domU and then using that as the flat_interface. Normally it is not recommended that you configure an IP address on the interface that nova-network uses for the guest networking. Not sure what you are trying will work.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>John<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> openstack-bounces+john.garbutt=eu.citrix.com@lists.launchpad.net [mailto:openstack-bounces+john.garbutt=eu.citrix.com@lists.launchpad.net] <b>On Behalf Of </b>Alexandre Leites<br><b>Sent:</b> 02 April 2012 14:53<br><b>To:</b> openstack@lists.launchpad.net<br><b>Subject:</b> Re: [Openstack] [OpenStack] Xen Hypervisor<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>I tried the last thing about changing public interface to eth0... but it still doesn't work. I still with erro of can't ping anything outside of VM (created by nova on xen).<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>> From: todd.deshane@xen.org<br>> Date: Mon, 2 Apr 2012 09:15:52 -0400<br>> Subject: Re: [Openstack] [OpenStack] Xen Hypervisor<br>> To: alex_tkd@live.com<br>> CC: openstack@lists.launchpad.net<br>> <br>> On Mon, Apr 2, 2012 at 8:49 AM, Alexandre Leites <<a href="mailto:alex_tkd@live.com">alex_tkd@live.com</a>> wrote:<br>> > Ok, anyway i tested it and didn't worked. Any other solution?<br>> ><br>> <br>> You should be more specific.<br>> <br>> You should explain the specific flags you tried and then post the<br>> relevant logs files.<br>> <br>> Thanks,<br>> Todd<br>> <br>> <br>> -- <br>> Todd Deshane<br>> <a href="http://www.linkedin.com/in/deshantm">http://www.linkedin.com/in/deshantm</a><br>> <a href="http://blog.xen.org/">http://blog.xen.org/</a><br>> <a href="http://wiki.xen.org/">http://wiki.xen.org/</a><o:p></o:p></span></p></div></div></div></div></body></html>