<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:宋体;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:宋体;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:"\@宋体";
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"Comic Sans MS";
panose-1:3 15 7 2 3 3 2 2 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:宋体;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 90.0pt 72.0pt 90.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi, thanks for your helps!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>After I enabled DHCP, my instance can get private ip address now.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>However, I find that my 2 instances still cannot ping each other successfully.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>So I want to know if I need to config a DNS server for them?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks very much!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> </span><span style='font-size:10.0pt'>严超</span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> [mailto:yanchao727@gmail.com] <br><b>Sent:</b> 2014</span><span style='font-size:10.0pt'>年</span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>8</span><span style='font-size:10.0pt'>月</span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>27</span><span style='font-size:10.0pt'>日</span><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> 14:31<br><b>To:</b> Xianyi Ye<br><b>Cc:</b> <openstack@lists.openstack.org><br><b>Subject:</b> Re: [Openstack] Instance cannot get any ip address<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><div><p class=MsoNormal><span lang=EN-US style='font-size:14.0pt'>Try to use:<br>$ip netns</span><span lang=EN-US><o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US style='font-size:14.0pt'>to find network namespace.</span><span lang=EN-US><o:p></o:p></span></p><div><div><p class=MsoNormal><span lang=EN-US><br clear=all><o:p></o:p></span></p><div><div><div><p class=MsoNormal><b><i><span lang=EN-US style='font-size:13.5pt;font-family:"Comic Sans MS"'>Best Regards</span></i></b><b><i><span style='font-size:13.5pt'>！</span></i></b><span lang=EN-US><o:p></o:p></span></p></div><p class=MsoNormal><b><i><span lang=EN-US style='font-size:13.5pt;font-family:"Comic Sans MS"'>Chao Yan<br>--------------<br>My twitter</span></i></b><b><i><span style='font-size:13.5pt'>：</span></i></b><b><i><span lang=EN-US style='font-size:13.5pt;font-family:"Comic Sans MS"'>Andy Yan <a href="https://twitter.com/yanchao727" target="_blank">@yanchao727</a></span></i></b><span lang=EN-US><br></span><b><i><span lang=EN-US style='font-size:13.5pt;font-family:"Comic Sans MS"'>My Weibo</span></i></b><b><i><span style='font-size:13.5pt'>：</span></i></b><b><i><span lang=EN-US style='font-size:13.5pt;font-family:"Comic Sans MS"'><a href="http://weibo.com/herewearenow" target="_blank">http://weibo.com/herewearenow</a><br>--------------</span></i></b><span lang=EN-US><o:p></o:p></span></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US>2014-08-27 14:23 GMT+08:00 </span>严超<span lang=EN-US> <<a href="mailto:yanchao727@gmail.com" target="_blank">yanchao727@gmail.com</a>>:<o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US style='font-size:13.5pt'>What is the output of ifconfig? Are you using Neutron and ip netns?</span><span lang=EN-US><o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US><br clear=all><o:p></o:p></span></p><div><div><div><p class=MsoNormal><b><i><span lang=EN-US style='font-size:13.5pt;font-family:"Comic Sans MS"'>Best Regards</span></i></b><b><i><span style='font-size:13.5pt'>！</span></i></b><span lang=EN-US><o:p></o:p></span></p></div><p class=MsoNormal><b><i><span lang=EN-US style='font-size:13.5pt;font-family:"Comic Sans MS"'>Chao Yan<br>--------------<br>My twitter</span></i></b><b><i><span style='font-size:13.5pt'>：</span></i></b><b><i><span lang=EN-US style='font-size:13.5pt;font-family:"Comic Sans MS"'>Andy Yan <a href="https://twitter.com/yanchao727" target="_blank">@yanchao727</a></span></i></b><span lang=EN-US><br></span><b><i><span lang=EN-US style='font-size:13.5pt;font-family:"Comic Sans MS"'>My Weibo</span></i></b><b><i><span style='font-size:13.5pt'>：</span></i></b><b><i><span lang=EN-US style='font-size:13.5pt;font-family:"Comic Sans MS"'><a href="http://weibo.com/herewearenow" target="_blank">http://weibo.com/herewearenow</a><br>--------------</span></i></b><span lang=EN-US><o:p></o:p></span></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US>2014-08-27 13:48 GMT+08:00 Xianyi Ye <<a href="mailto:yexianyi@sina.com" target="_blank">yexianyi@sina.com</a>>:<o:p></o:p></span></p><div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Hi all,<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>I was working on the external network accessing configuration. But I find that after I created an instance, neither internal ip address nor external ip address could be displayed in the response of “ifconfig” command.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>However, on Dashboard, I can see both of these 2 ip addresses have been allocated to that instance successfully.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Is there anyone knows what’s going on?<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>I do appreciate anyone’s help.<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US> <o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US>Thanks very much!<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US>_______________________________________________<br>Mailing list: <a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack" target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack</a><br>Post to : <a href="mailto:openstack@lists.openstack.org" target="_blank">openstack@lists.openstack.org</a><br>Unsubscribe : <a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack" target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack</a><o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></div></div></div></body></html>