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Opennebula recreates all necessary interfaces on demand.<br>
It means that, once a virtual network uses .1Q, it will create the
bridge to route the traffig and map the VLAN on the physical
interface.<br>
Dependenig on your distribution, you may need to specify the path of
the bridge control binary (brctl).<br>
On Red Hat derivative, it is located on /usr/sbin/brctl; whereas the
default location should be /sbin/brctl.<br>
You can either tweak the network scripts to look for the correct
path or make a link.<br>
<div class="moz-cite-prefix">On 30/11/12 13:58, 于长江 wrote:<br>
</div>
<blockquote cite="mid:2012113020583191368110@neusoft.com"
type="cite">
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<div>1. First, I create a vm on computer14, i saw network
interfaces below:</div>
<div>[oneadmin@computer14 ~]$ ifconfig </div>
<div>
<div>eth0 Link encap:Ethernet HWaddr E8:39:35:18:A1:60 </div>
<div> inet addr:10.72.24.216 Bcast:10.72.24.255 Mask:255.255.255.0</div>
<div> inet6 addr: fe80::ea39:35ff:fe18:a160/64 Scope:Link</div>
<div> UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1</div>
<div> RX packets:21587155 errors:0 dropped:0 overruns:0 frame:0</div>
<div> TX packets:8407735 errors:0 dropped:0 overruns:0 carrier:0</div>
<div> collisions:0 txqueuelen:1000 </div>
<div> RX bytes:22927887802 (21.3 GiB) TX bytes:667899749 (636.9 MiB)</div>
<div> Memory:fbe60000-fbe80000 </div>
<div> </div>
<div>eth0.100 Link encap:Ethernet HWaddr E8:39:35:18:A1:60 </div>
<div> inet6 addr: fe80::ea39:35ff:fe18:a160/64 Scope:Link</div>
<div> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1</div>
<div> RX packets:0 errors:0 dropped:0 overruns:0 frame:0</div>
<div> TX packets:16672 errors:0 dropped:0 overruns:0 carrier:0</div>
<div> collisions:0 txqueuelen:0 </div>
<div> RX bytes:0 (0.0 b) TX bytes:784568 (766.1 KiB)</div>
<div> </div>
</div>
<div>
<div>onebr100 Link encap:Ethernet HWaddr E8:39:35:18:A1:60 </div>
<div> inet6 addr: fe80::acb0:e4ff:fe95:6f08/64 Scope:Link</div>
<div> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1</div>
<div> RX packets:13746 errors:0 dropped:0 overruns:0 frame:0</div>
<div> TX packets:6 errors:0 dropped:0 overruns:0 carrier:0</div>
<div> collisions:0 txqueuelen:0 </div>
<div> RX bytes:398936 (389.5 KiB) TX bytes:468 (468.0 b)</div>
<div>
<div> </div>
<div>vnet0 Link encap:Ethernet HWaddr FE:00:DD:67:22:02 </div>
<div> inet6 addr: fe80::fc00:ddff:fe67:2202/64 Scope:Link</div>
<div> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1</div>
<div> RX packets:0 errors:0 dropped:0 overruns:0 frame:0</div>
<div> TX packets:10 errors:0 dropped:0 overruns:0 carrier:0</div>
<div> collisions:0 txqueuelen:500 </div>
<div> RX bytes:0 (0.0 b) TX bytes:732 (732.0 b)</div>
<div> </div>
<div>2. Then, i reboot computer14</div>
<div>[oneadmin@computer14 ~]$ sudo shutdown -r now </div>
<div> </div>
<div>3. After this operation，i saw vconfig network interface
has gone （<span style="COLOR: #0000ff; FONT-WEIGHT: bold">eth0.100,
onebr100</span>）</div>
<div>
<div>[oneadmin@computer14 ~]# ifconfig </div>
<div>eth0 Link encap:Ethernet HWaddr E8:39:35:18:A1:60 </div>
<div> inet addr:10.72.24.216 Bcast:10.72.24.255 Mask:255.255.255.0</div>
<div> inet6 addr: fe80::ea39:35ff:fe18:a160/64 Scope:Link</div>
<div> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1</div>
<div> RX packets:122 errors:0 dropped:0 overruns:0 frame:0</div>
<div> TX packets:102 errors:0 dropped:0 overruns:0 carrier:0</div>
<div> collisions:0 txqueuelen:1000 </div>
<div> RX bytes:13317 (13.0 KiB) TX bytes:12829 (12.5 KiB)</div>
<div> Memory:fbe60000-fbe80000 </div>
</div>
<div> </div>
<div>4. When I create that vm, error occurred below:</div>
<div>
<div>[root@computer14 images]# pwd</div>
<div>/one_images/25/images</div>
<div>
<div>[root@computer14 images]# ls</div>
<div>deployment.0 disk.0 disk.1</div>
</div>
</div>
<div>
<div>[root@computer14 images]# virsh create deployment.0 </div>
<div>error: Failed to create domain from deployment.0</div>
<div>error: Failed to add tap interface to bridge 'onebr100': No such device</div>
</div>
</div>
</div>
<div> </div>
<hr style="WIDTH: 210px; HEIGHT: 1px" size="1" align="left"
color="#b5c4df">
<div><span><span style="FONT-FAMILY: Calibri; COLOR: #800080;
FONT-SIZE: 10pt">于长江 | 东软</span></span></div>
<div> </div>
<div style="BORDER-BOTTOM: medium none; BORDER-LEFT: medium none;
PADDING-BOTTOM: 0cm; PADDING-LEFT: 0cm; PADDING-RIGHT: 0cm;
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PADDING-RIGHT: 8px; BACKGROUND: #efefef; COLOR: #000000;
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<div><b>From:</b> <a moz-do-not-send="true"
href="mailto:andreas.calvo@scytl.com">Andreas Calvo Gómez</a></div>
<div><b>Date:</b> 2012-11-30 20:33</div>
<div><b>To:</b> <a moz-do-not-send="true"
href="mailto:yuchj@neusoft.com">yuchj@neusoft.com</a></div>
<div><b>CC:</b> <a moz-do-not-send="true"
href="mailto:users@lists.opennebula.org">users@lists.opennebula.org</a></div>
<div><b>Subject:</b> Re: help: with 8021q driver, network
configuration won't work, after host reboot (???)</div>
</div>
</div>
<div>
<div>We've been using 802.1Q under CentOS 6 without problems for quite a long </div>
<div>time.</div>
<div>Can you post a detailed description of what is happening?</div>
<div> </div>
<div>Thanks</div>
<div>On 30/11/12 07:57, <a class="moz-txt-link-abbreviated" href="mailto:users-request@lists.opennebula.org">users-request@lists.opennebula.org</a> wrote:</div>
<div>></div>
<div>> Message: 2</div>
<div>> Date: Fri, 30 Nov 2012 14:56:47 +0800</div>
<div>> From: ??? <a class="moz-txt-link-rfc2396E" href="mailto:yuchj@neusoft.com"><yuchj@neusoft.com></a></div>
<div>> To: users <a class="moz-txt-link-rfc2396E" href="mailto:users@lists.opennebula.org"><users@lists.opennebula.org></a></div>
<div>> Subject: [one-users] help: with 8021q driver,
network configuration</div>
<div>> won't work after host reboot</div>
<div>> Message-ID: <a class="moz-txt-link-rfc2396E" href="mailto:201211301456470519356@neusoft.com"><201211301456470519356@neusoft.com></a></div>
<div>> Content-Type: text/plain; charset="gb2312"</div>
<div>></div>
<div>> As i said, with 8021q driver, network configuration won't work after host reboot. Does One notice this?</div>
<div>></div>
<div>> Here is my solution for rhel below: (Is this ok?)</div>
<div>> # cat $ONE_LOCATION/var/remotes/vnm/802.1Q/HostManaged.rb</div>
<div>> require 'OpenNebulaNetwork'</div>
<div>> ...</div>
<div>> def create_bridge(bridge)</div>
<div>> OpenNebula.exec_and_log_no_exit("#{COMMANDS[:brctl]} addbr #{bridge}")</div>
<div>> OpenNebula.exec_and_log_no_exit("sudo sh -c 'echo brctl addbr #{bridge} >> /etc/rc.d/rc.local'")</div>
<div>> end</div>
<div>> ...</div>
<div>> def create_dev_vlan(dev, vlan)</div>
<div>> OpenNebula.exec_and_log("#{COMMANDS[:vconfig]} add #{dev} #{vlan}")</div>
<div>> OpenNebula.exec_and_log("sudo sh -c 'echo vconfig add #{dev} #{vlan} >> /etc/rc.d/rc.local'")</div>
<div>> end</div>
<div>> ...</div>
<div>> def attach_brigde_dev(bridge, dev, vlan=nil)</div>
<div>> dev = "#{dev}.#{vlan}" if vlan</div>
<div>> OpenNebula.exec_and_log("#{COMMANDS[:brctl]} addif #{bridge} #{dev}")</div>
<div>> OpenNebula.exec_and_log("sudo sh -c 'echo brctl addif #{bridge} #{dev} >> /etc/rc.d/rc.local'")</div>
<div>> end</div>
<div>> ...</div>
<div>> def ifup(dev, vlan=nil)</div>
<div>> dev = "#{dev}.#{vlan}" if vlan</div>
<div>> OpenNebula.exec_and_log("#{COMMANDS[:ip]} link set #{dev} up")</div>
<div>> OpenNebula.exec_and_log("sudo sh -c 'echo ip link set #{dev} up >> /etc/rc.d/rc.local'")</div>
<div>> end</div>
<div>> ...</div>
<div>></div>
<div>></div>
<div>></div>
<div>></div>
<div>> ??? | ??</div>
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<div>> your system. Thank you.</div>
<div>> ---------------------------------------------------------------------------------------------------</div>
<div>></div>
<div> </div>
<div>-- </div>
<div>Andreas Calvo Gómez</div>
<div>Systems Engineer</div>
<div>Scytl Secure Electronic Voting</div>
<div>Plaça Gal·la Placidia, 1-3, 1st floor · 08006 Barcelona</div>
<div>Phone: + 34 934 230 324</div>
<div>Fax: + 34 933 251 028</div>
<div><a class="moz-txt-link-freetext" href="http://www.scytl.com">http://www.scytl.com</a></div>
<div> </div>
<div>NOTICE: The information in this e-mail and in any of its attachments is</div>
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<div>distribution or retaining of this message or any part of it, without the</div>
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<div>written consent of Scytl Secure Electronic Voting, SA is prohibited and</div>
<div>may be</div>
<div>unlawful. If you have received this in error, please contact the sender</div>
<div>and</div>
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<div> </div>
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</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Andreas Calvo Gómez
Systems Engineer
Scytl Secure Electronic Voting
Plaça Gal·la Placidia, 1-3, 1st floor · 08006 Barcelona
Phone: + 34 934 230 324
Fax: + 34 933 251 028
<a class="moz-txt-link-freetext" href="http://www.scytl.com">http://www.scytl.com</a>
NOTICE: The information in this e-mail and in any of its attachments is
confidential and intended solely for the attention and use of the named
addressee(s). If you are not the intended recipient, any disclosure,
copying,
distribution or retaining of this message or any part of it, without the
prior
written consent of Scytl Secure Electronic Voting, SA is prohibited and
may be
unlawful. If you have received this in error, please contact the sender
and
delete the material from any computer. </pre>
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