<div dir="ltr">Diego,<div><br></div><div>No, ssh can't connect to an Instance and also, if I login into that Instance via SPICE Console, I can't run "apt-get update", it froze too...</div><div><br></div><div>
Tks,</div><div>Thiago</div><div class="gmail_extra"><br><br><div class="gmail_quote">On 20 May 2014 13:35, Diego Parrilla Santamaría <span dir="ltr"><<a href="mailto:diego.parrilla.santamaria@gmail.com" target="_blank">diego.parrilla.santamaria@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Is SSH the only protocol failing? Have you checked MTU size in your infrastructure?<div><br></div><div>
Regards</div>
<div>Diego</div><img src="https://mailtrack.io/trace/mail/9fe31d275266105bb1efeca410c89361de417dc4.png" height="1" width="1"></div>
<div class="gmail_extra"><br clear="all"><div><div dir="ltr"> -- <br><span style="border-collapse:separate;font-family:Times"><span style="border-collapse:collapse;font-family:arial,sans-serif"><div align="left" style="font-size:13px">
<div><font><span lang="ES" style="font-family:Arial">Diego Parrilla<br><a href="http://www.stackops.com/" title="file:///C:/Documents%20and%20Settings/carolina.capsir.per1/Application%20Data/Microsoft/Signatures/www.garrigues.com
www.garrigues.com" style="color:rgb(7,77,143)" target="_blank"><span title="file:///C:/Documents%20and%20Settings/carolina.capsir.per1/Application%20Data/Microsoft/Signatures/www.garrigues.com"></span></a></span></font><font face="Arial" style="font-family:arial,helvetica,sans-serif"><b>CEO</b><font size="1"><br>
</font></font><span style="border-collapse:separate;font-family:Times;font-size:medium"><span style="border-collapse:collapse;font-family:arial,sans-serif;font-size:13px"></span></span><b><font face="Arial" style="font-family:arial,helvetica,sans-serif"><a href="http://www.stackops.com/" target="_blank"><b>www.stackops.com</b></a> | </font></b><font face="Arial" style="font-family:arial,helvetica,sans-serif"><font size="1"> <a href="mailto:diego.parrilla@stackops.com" target="_blank">diego.parrilla@stackops.com</a></font></font><span style="border-collapse:separate;font-family:Times;font-size:medium"><span style="border-collapse:collapse;font-family:arial,sans-serif;font-size:13px"><font color="#004438" face="Arial"><b><b><span lang="EN-GB" style="font-size:10pt"></span></b></b></font></span></span><font face="Arial" style="font-family:arial,helvetica,sans-serif"><font size="1"> | </font></font><span style="font-family:arial,helvetica,sans-serif;font-size:x-small"><a href="tel:%2B34%2091%20005-2164" value="+34910052164" target="_blank">+34 91 005-2164</a> | </span><a style="font-size:x-small;font-family:arial,helvetica,sans-serif">skype:diegoparrilla</a></div>
</div><div style="font-size:13px"><font color="#004438" face="Arial"><b><p><span style="border-collapse:separate;color:rgb(0,0,0);font-family:Times;font-size:medium"><span style="border-collapse:collapse;font-family:arial,sans-serif;font-size:13px"><span style="border-collapse:separate;font-family:Times;font-size:medium"><span style="border-collapse:collapse;font-family:arial,sans-serif;font-size:13px"><font color="#004438" face="Arial"><b><b><span lang="EN-GB" style="font-size:10pt"><img src="http://stackops.s3-external-3.amazonaws.com/STACKOPSLOGO-ICON.png"></span></b></b></font></span></span></span></span></p>
</b></font></div></span></span><div><br></div></div></div><div><div>
<br><br><div class="gmail_quote">On Tue, May 20, 2014 at 6:02 PM, Martinx - ジェームズ <span dir="ltr"><<a href="mailto:thiagocmartinsc@gmail.com" target="_blank">thiagocmartinsc@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Apparently we're all facing the same issue. The fact is, Neutron is too much complex...<div><br></div><div>Back with Havana, we faced this: <a href="https://bugs.launchpad.net/neutron/+bug/1252900" target="_blank">https://bugs.launchpad.net/neutron/+bug/1252900</a></div>
<div><br></div><div>But now, with Ubuntu 14.04 + IceHouse, seems to be a different problem.</div><div><br></div><div>"Neutron + GRE or VXLAN", is very hard to stabilize and doesn't scale very well...</div>
<div><br></div><div>I'm seeing that it works better with "VLAN / Flat Networks" (i.e. without using the Neutron Network Node as Instance's default gateway). I'll try it instead...</div><div><br></div>
<div>Maybe James Denton, from Rackspace, might help us again! :-P</div><div><br></div><div>Best!</div><div>Thiago</div><div><div><div class="gmail_extra"><br><br><div class="gmail_quote">On 20 May 2014 11:21, Jason Bishop <span dir="ltr"><<a href="mailto:jason.bishop@gmail.com" target="_blank">jason.bishop@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><br><div>that happened to me too. maybe same root cause?</div><div><br></div><div>see <a href="http://ubuntuforums.org/showthread.php?t=2223789" target="_blank">http://ubuntuforums.org/showthread.php?t=2223789</a></div>
<div>
<br></div><div>cheers</div><div>jason</div><div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote"><div><div>On Mon, May 19, 2014 at 10:59 PM, Martinx - ジェームズ <span dir="ltr"><<a href="mailto:thiagocmartinsc@gmail.com" target="_blank">thiagocmartinsc@gmail.com</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr">I managed to login into a Ubuntu Instance via `SPICE Console` and there is more network outages from within it, take a look ("apt-get update" froze too):<div>
<br></div><div>--</div><div><a href="http://i.imgur.com/IeEXIjR.png" target="_blank">http://i.imgur.com/IeEXIjR.png</a><br>
</div><div>--</div><div><br></div><div>Am I missing something?!</div></div><div><div><div class="gmail_extra"><br><br><div class="gmail_quote">On 20 May 2014 02:47, Martinx - ジェームズ <span dir="ltr"><<a href="mailto:thiagocmartinsc@gmail.com" target="_blank">thiagocmartinsc@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hey Stackers!<div><br></div><div>I'm facing a weird network issue here, with <b>IceHouse</b> and <i>Neutron L3</i>... Using "Per-Project Router with Private Networks"... </div>
<div><br></div><div>
I am unable to connect via SSH into an Instance, from its own "Project Namespace Router", look:</div><div><br></div><div>--</div><div><div><font face="courier new, monospace">root@net-controller-1:~# ip netns exec qrouter-c252886a-1fd0-45dd-9e3b-4233786e7960 ssh -i ~/pem <a href="mailto:ubuntu@192.168.1.17" target="_blank">ubuntu@192.168.1.17</a> -v</font></div>
<div><font face="courier new, monospace">OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014</font></div><div><font face="courier new, monospace">debug1: Reading configuration data /etc/ssh/ssh_config</font></div><div><font face="courier new, monospace">debug1: /etc/ssh/ssh_config line 19: Applying options for *</font></div>
<div><font face="courier new, monospace">debug1: Connecting to 192.168.1.17 [192.168.1.17] port 22.</font></div><div><font face="courier new, monospace">debug1: Connection established.</font></div><div><font face="courier new, monospace">debug1: permanently_set_uid: 0/0</font></div>
<div><font face="courier new, monospace">debug1: identity file /root/pem type -1</font></div><div><font face="courier new, monospace">debug1: identity file /root/pem-cert type -1</font></div><div><font face="courier new, monospace">debug1: Enabling compatibility mode for protocol 2.0</font></div>
<div><font face="courier new, monospace">debug1: Local version string SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2</font></div><div><font face="courier new, monospace">debug1: Remote protocol version 2.0, remote software version OpenSSH_6.6p1 Ubuntu-2ubuntu1</font></div>
<div><font face="courier new, monospace">debug1: match: OpenSSH_6.6p1 Ubuntu-2ubuntu1 pat OpenSSH_6.5*,OpenSSH_6.6* compat 0x14000000</font></div><div><font face="courier new, monospace">debug1: SSH2_MSG_KEXINIT sent</font></div>
<div>...</div><div>...</div></div><div>...ssh stucked!!!</div><div>...</div><div>--</div><div><br></div><div>The SSH connection froze at "<span style="font-family:'courier new',monospace">debug1: SSH2_MSG_KEXINIT sent</span>" and it never establishes...</div>
<div><br></div><div>From its attached `Floating IP`, the symptom is the same, I can't connect via SSH into a Instance, I tried it with 12.04 and 14.04, same result for both...</div><div><br></div><div>The Instance looks good from SPICE Consoles (but I need to login with "ubuntu user" via network first, using ssh key).</div>
<div><br></div><div>-</div><div><br></div><div>I'm running tcpdump on both "qr-$INT" and at the Compute Node DATA NETWORK, to see the GREv0 traffic too, here it is:</div><div><br></div><div><div>--</div><div>
<font face="courier new, monospace">root@net-controller-1:~# ip netns exec qrouter-c252886a-1fd0-45dd-9e3b-4233786e7960 tcpdump -v -ni qr-eeb0d2f3-42</font></div></div><div><br></div><div><a href="http://paste.openstack.org/show/80969/" target="_blank">http://paste.openstack.org/show/80969/</a><br>
</div><div><br></div><div>NOTE: From the line ~16 to 32, SSH was already frozen...</div><div>--</div><div><br></div><div><font face="courier new, monospace">root@compute-node-1:~# tcpdump -ni eth1 | grep -v IP6<br></font></div>
<div><br></div><div><a href="http://paste.openstack.org/show/80970/" target="_blank">http://paste.openstack.org/show/80970/</a><br></div><div>--</div><div><br></div><div>What can I do to deep investigate this?!</div><div>
<br></div><div>I double checked everything, including OVS bridges, sysctl.conf, `<font face="courier new, monospace">ethtool --offload ethX gro off</font>` and etc... Don't know what's is wrong...</div>
<div><br></div><div>I think that this is the last problem I'm facing with IceHouse, I would like to put it into prod but, I am unable to do it right now... :-/</div><div><br></div><div>Tks in advance!</div><div><br>
</div><div>Best,</div><div>Thiago</div></div>
</blockquote></div><br></div>
</div></div><br></div></div>_______________________________________________<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><br>
<br></blockquote></div><br></div>
</blockquote></div><br></div></div></div></div>
<br>_______________________________________________<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><br>
<br></blockquote></div><br></div></div></div>
</blockquote></div><br></div></div>