<div dir="ltr">one possible reason can be that your VM didn't get IP address from its DHCP server. Can you check your VM instance log (You can check it from dashboard) and see whether its sending the DHCP request for IP and getting any response from it</div>
<div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, May 7, 2013 at 12:24 PM, zengshan2008 <span dir="ltr"><<a href="mailto:zengshan2008@gmail.com" target="_blank">zengshan2008@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u></u>
<div style="LINE-HEIGHT:1.3;BORDER-RIGHT-WIDTH:0px;MARGIN:12px;BORDER-TOP-WIDTH:0px;BORDER-BOTTOM-WIDTH:0px;BORDER-LEFT-WIDTH:0px" marginheight="0" marginwidth="0"><u></u>
<div><font color="#000000" size="3" face="Times New Roman">Hi,</font></div>
<div style="TEXT-INDENT:2em"><font color="#000000" size="3" face="Times New Roman">I've installed openstack using quantum by the guide
</font></div>
<div style="TEXT-INDENT:2em"><a href="https://github.com/mseknibilel/OpenStack-Folsom-Install-guide/blob/master/OpenStack_Folsom_Install_Guide_WebVersion.rst" target="_blank">https://github.com/mseknibilel/OpenStack-Folsom-Install-guide/blob/master/OpenStack_Folsom_Install_Guide_WebVersion.rst</a></div>
<div style="TEXT-INDENT:2em"><font face="Times New Roman">everything works
fine, but I can't ping vm from the outside world, neither from the network
node.The following is some of my configration.</font></div>
<div style="TEXT-INDENT:2em"><font face="Times New Roman"><strong>1)
</strong><a href="mailto:root@networknode:/etc" target="_blank"><strong>root@networknode:/etc</strong></a><strong>#
ip netns
<br></strong>qrouter-8f5f3c17-a00e-4382-a403-181dfbb9d189<br>qdhcp-e58739ff-16dc-4289-8110-242f7818d314</font></div>
<div style="TEXT-INDENT:2em"><font face="Times New Roman"><strong>2) qrouter
and qdhcp server is up</strong></font></div>
<div style="TEXT-INDENT:2em"><a href="mailto:root@networknode:/etc" target="_blank"><font face="Times New Roman">root@networknode:/etc</font></a><font face="Times New Roman"># ip netns exec
qrouter-8f5f3c17-a00e-4382-a403-181dfbb9d189 ifconfig<br><font>lo Link encap:Local
Loopback <br> inet
addr:127.0.0.1
Mask:255.0.0.0<br> inet6
addr: ::1/128
Scope:Host<br> UP LOOPBACK
RUNNING MTU:16436
Metric:1<br> RX packets:85
errors:0 dropped:0 overruns:0
frame:0<br> TX packets:85
errors:0 dropped:0 overruns:0
carrier:0<br> collisions:0
txqueuelen:0 <br> RX
bytes:9224 (9.2 KB) TX bytes:9224 (9.2 KB)</font></font></div>
<div><font face="Times New Roman"></font> </div>
<div style="TEXT-INDENT:2em"><font face="Times New Roman">qg-daf2c037-cc
Link encap:Ethernet HWaddr fa:16:3e:ea:f6:c3
<br> inet
addr:192.168.23.102 Bcast:192.168.23.255
Mask:255.255.255.0<br>
inet6 addr: 2401:de00::f816:3eff:feea:f6c3/64
Scope:Global<br> inet6
addr: fe80::f816:3eff:feea:f6c3/64
Scope:Link<br> inet6 addr:
2401:de00::6066:acc0:66e3:7434/64
Scope:Global<br> UP
BROADCAST RUNNING MULTICAST MTU:1500
Metric:1<br> RX
packets:5392 errors:0 dropped:0 overruns:0
frame:0<br> TX packets:13
errors:0 dropped:0 overruns:0
carrier:0<br> collisions:0
txqueuelen:0 <br> RX
bytes:406572 (406.5 KB) TX bytes:846 (846.0 B)</font></div>
<div><font face="Times New Roman"></font> </div>
<div style="TEXT-INDENT:2em"><font face="Times New Roman">qr-d9cb6d6d-5e
Link encap:Ethernet HWaddr fa:16:3e:6d:5a:3a
<br> inet
addr:202.122.38.1 Bcast:202.122.38.255
Mask:255.255.255.0<br>
inet6 addr: fe80::f816:3eff:fe6d:5a3a/64
Scope:Link<br> UP
BROADCAST RUNNING MULTICAST MTU:1500
Metric:1<br> RX packets:24
errors:0 dropped:0 overruns:0
frame:0<br> TX packets:108
errors:0 dropped:0 overruns:0
carrier:0<br> collisions:0
txqueuelen:0 <br> RX
bytes:2184 (2.1 KB) TX bytes:5928 (5.9 KB)</font></div>
<div style="TEXT-INDENT:2em"> </div>
<div style="TEXT-INDENT:2em"><a href="mailto:root@networknode:/etc" target="_blank"><font face="Times New Roman">root@networknode:/etc</font></a><font face="Times New Roman"># ip netns exec
qdhcp-e58739ff-16dc-4289-8110-242f7818d314 ifconfig<br></font><font face="Times New Roman">lo Link
encap:Local Loopback
<br> inet
addr:127.0.0.1
Mask:255.0.0.0<br> inet6
addr: ::1/128
Scope:Host<br> UP LOOPBACK
RUNNING MTU:16436
Metric:1<br> RX packets:10
errors:0 dropped:0 overruns:0
frame:0<br> TX packets:10
errors:0 dropped:0 overruns:0
carrier:0<br> collisions:0
txqueuelen:0 <br> RX
bytes:840 (840.0 B) TX bytes:840 (840.0 B)</font></div>
<div><font face="Times New Roman"></font> </div>
<div style="TEXT-INDENT:2em"><font face="Times New Roman">tape10a4f07-60
Link encap:Ethernet HWaddr fa:16:3e:db:8f:23
<br> inet
addr:202.122.38.14 Bcast:202.122.38.255
Mask:255.255.255.0<br>
inet6 addr: fe80::f816:3eff:fedb:8f23/64
Scope:Link<br> UP
BROADCAST RUNNING MULTICAST MTU:1500
Metric:1<br> RX
packets:106 errors:0 dropped:0 overruns:0
frame:0<br> TX packets:30
errors:0 dropped:0 overruns:0
carrier:0<br> collisions:0
txqueuelen:0 <br> RX
bytes:5760 (5.7 KB) TX bytes:2652 (2.6 KB)</font></div>
<div style="TEXT-INDENT:2em"><font size="3" face="Times New Roman"><strong>3)
qrouter can ping the dhcp server from the network node</strong></font></div>
<div style="TEXT-INDENT:2em"><font face="Times New Roman"><a href="mailto:root@networknode:/etc" target="_blank"><font>root@networknode:/etc</font></a><font># ip netns exec
qrouter-8f5f3c17-a00e-4382-a403-181dfbb9d189 ping 202.122.38.14<br>PING
202.122.38.14 (202.122.38.14) 56(84) bytes of data.<br>64 bytes from
<a href="http://202.122.38.14" target="_blank">202.122.38.14</a>: icmp_req=1 ttl=64 time=0.325 ms<br>64 bytes from <a href="http://202.122.38.14" target="_blank">202.122.38.14</a>:
icmp_req=2 ttl=64 time=0.023 ms<br>64 bytes from <a href="http://202.122.38.14" target="_blank">202.122.38.14</a>: icmp_req=3
ttl=64 time=0.024 ms<br>^C<br>--- 202.122.38.14 ping statistics ---<br>3 packets
transmitted, 3 received, 0% packet loss, time 1998ms<br>rtt min/avg/max/mdev =
0.023/0.124/0.325/0.142 ms</font></font></div>
<div style="TEXT-INDENT:2em"><font size="3" face="Times New Roman"><strong>4)
virtual machine is up</strong></font></div>
<div style="TEXT-INDENT:2em"><font face="Times New Roman">quantum
floatingip-list<br>+--------------------------------------+------------------+---------------------+--------------------------------------+<br>|
id
| fixed_ip_address | floating_ip_address |
port_id
|<br>+--------------------------------------+------------------+---------------------+--------------------------------------+<br>|
88398dd1-7256-49c7-b1ad-719903125501 | 202.122.38.15 |
192.168.23.103 |
ce7c1eff-afcb-4908-b399-0e6e07d2791e
|<br>+--------------------------------------+------------------+---------------------+--------------------------------------+</font></div>
<div><font face="Times New Roman"><strong>
5) virtual machine eth0 is up</strong></font></div>
<div>
<div><font color="#000000" size="3" face="宋体"><img></font></div>
<div><font color="#000000" size="3" face="Times New Roman"><strong>
6)ssh or ping to vm is failed</strong></font></div>
<div>
<div><font color="#000000"><a href="mailto:root@networknode:/etc" target="_blank"><font face="Times New Roman">root@networknode:/etc</font></a><font face="Times New Roman"># ip netns exec
qrouter-8f5f3c17-a00e-4382-a403-181dfbb9d189 ping 202.122.38.15<br>PING
202.122.38.15 (202.122.38.15) 56(84) bytes of data.<br>From 202.122.38.1
icmp_seq=1 Destination Host Unreachable<br>From 202.122.38.1 icmp_seq=2
Destination Host Unreachable<br>From 202.122.38.1 icmp_seq=3 Destination Host
Unreachable<br>From 202.122.38.1 icmp_seq=4 Destination Host Unreachable<br>From
202.122.38.1 icmp_seq=5 Destination Host Unreachable<br>From 202.122.38.1
icmp_seq=6 Destination Host Unreachable<br>From 202.122.38.1 icmp_seq=7
Destination Host Unreachable<br>From 202.122.38.1 icmp_seq=8 Destination Host
Unreachable<br>From 202.122.38.1 icmp_seq=9 Destination Host Unreachable<br>From
202.122.38.1 icmp_seq=10 Destination Host Unreachable<br>From 202.122.38.1
icmp_seq=11 Destination Host Unreachable<br>From 202.122.38.1 icmp_seq=12
Destination Host Unreachable<br>^C<br>--- 202.122.38.15 ping statistics
---<br>14 packets transmitted, 0 received, +12 errors, 100% packet loss, time
12999ms<br>pipe 4<br></font><a href="mailto:root@networknode:/etc" target="_blank"><font face="Times New Roman">root@networknode:/etc</font></a><font face="Times New Roman"># ^C<br></font><a href="mailto:root@networknode:/etc" target="_blank"><font face="Times New Roman">root@networknode:/etc</font></a><font face="Times New Roman"># ^C<br>
</font><a href="mailto:root@networknode:/etc" target="_blank"><font face="Times New Roman">root@networknode:/etc</font></a><font face="Times New Roman"># ip netns exec
qrouter-8f5f3c17-a00e-4382-a403-181dfbb9d189 ssh </font><a href="mailto:root@202.122.38.15" target="_blank"><font face="Times New Roman">root@202.122.38.15</font></a><br><font face="Times New Roman">ssh: connect to host 202.122.38.15 port 22: No route to
host</font></font></div>
<div> </div></div></div>
<div align="left"><font color="#c0c0c0" face="Verdana">2013-05-07</font></div><font face="Verdana">
<hr style="WIDTH:122px;min-height:2px" align="left" size="2"><span class="HOEnZb"><font color="#888888">
</font></span></font><span class="HOEnZb"><font color="#888888">
<div><font color="#c0c0c0" face="Verdana"><span>zengshan2008</span></font></div><u></u></font></span></div><br>_______________________________________________<br>
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<br></blockquote></div><br><br clear="all"><div><br></div>-- <br><div dir="ltr">Thanks<div>Anil</div></div>
</div>