<div dir="ltr">Thanks, Hiroki and Bob!</div><div class="gmail_extra"><br clear="all"><div><div><br></div><div>Thanks</div><div><br></div><div>Changbin<br></div></div>
<br><br><div class="gmail_quote">On Tue, Apr 1, 2014 at 1:34 AM, Hiroki Aramaki <span dir="ltr"><<a href="mailto:h-aramaki@netone.co.jp" target="_blank">h-aramaki@netone.co.jp</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="white" lang="JA" link="blue" vlink="purple"><div><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">GRE and VXLAN packet use 24bit id range. Max number of ID is 1,677,000<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">and per host max number of subnet is 4094 that is inner VLAN limitation.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d">Hiroki Aramaki<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1f497d"><u></u> <u></u></span></p><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0mm 0mm 0mm">
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> Robert Kukura [mailto:<a href="mailto:kukura@noironetworks.com" target="_blank">kukura@noironetworks.com</a>] <br>
<b>Sent:</b> Tuesday, April 01, 2014 11:17 AM<br><b>To:</b> <a href="mailto:openstack@lists.openstack.org" target="_blank">openstack@lists.openstack.org</a><br><b>Subject:</b> Re: [Openstack] Limit of tunnel_id_ranges in Neutron<u></u><u></u></span></p>
</div></div><div><div class="h5"><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><div><p class="MsoNormal"><span lang="EN-US">On 3/31/14, 1:31 PM, Changbin Liu wrote:<u></u><u></u></span></p>
</div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal"><span lang="EN-US">I notice that there are flow_mod flows on OVS which handle 1-to-1 translations between VLAN IDs and GRE/VXLAN tunnel IDs. Does it mean the range of tunnel_ids is limited by VLAN tags?<u></u><u></u></span></p>
</div></blockquote><p class="MsoNormal"><span lang="EN-US">These local VLAN IDs on br-int are assigned separately on each compute or network node by neutron's openvswitch-agent, so you should be able to use any number of networks simultaneously in your deployment as long as no more than 4094 networks are active at once on any one node.<br>
<br>-Bob<br><br><u></u><u></u></span></p><div><p class="MsoNormal"><span lang="EN-US"><br clear="all"><u></u><u></u></span></p><div><div><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p></div><div><p class="MsoNormal">
<span lang="EN-US">Thanks<u></u><u></u></span></p></div><div><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span lang="EN-US">Changbin<u></u><u></u></span></p></div></div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US"><u></u> <u></u></span></p><div><p class="MsoNormal"><span lang="EN-US">On Sun, Mar 30, 2014 at 5:31 PM, Kyle Mestery <<a href="mailto:mestery@noironetworks.com" target="_blank">mestery@noironetworks.com</a>> wrote:<u></u><u></u></span></p>
<div><div><div><div><div><p class="MsoNormal"><span lang="EN-US">On Fri, Mar 28, 2014 at 11:39 PM, Changbin Liu <<a href="mailto:changbin.liu@gmail.com" target="_blank">changbin.liu@gmail.com</a>> wrote:<u></u><u></u></span></p>
<div><p class="MsoNormal"><span lang="EN-US">Hi All, <u></u><u></u></span></p><div><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span lang="EN-US">Maybe this is a simple question: is there any limit on "tunnel_id_ranges" in Neutron configuration? Say, can I configured it to e.g., "1:10000" if I have 10000 tenants in the cloud. I know VLAN is limited to 4094 tags.<u></u><u></u></span></p>
</div><div><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span lang="EN-US">I googled around this issue but found that most commonly it is configured to default "1:1000".<u></u><u></u></span></p>
</div><div><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p></div></div></div></div><div><p class="MsoNormal"><span lang="EN-US">There should not be a limit here, although the code will verify the tunnel ID falls within an allowed range for your tunnel protocol (currently GRE or VXLAN).<u></u><u></u></span></p>
</div><div><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span lang="EN-US">Thanks,<u></u><u></u></span></p></div><div><p class="MsoNormal"><span lang="EN-US">Kyle<u></u><u></u></span></p>
</div><div><p class="MsoNormal"><span lang="EN-US"> <u></u><u></u></span></p></div><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0mm 0mm 0mm 6.0pt;margin-left:4.8pt;margin-right:0mm"><div><div><div>
<div><p class="MsoNormal"><span lang="EN-US">Thanks<u></u><u></u></span></p></div><div><p class="MsoNormal"><span lang="EN-US" style="color:#888888"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span lang="EN-US" style="color:#888888">Changbin<u></u><u></u></span></p>
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