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<div class="">Hi, JingTing</div>
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<div class="">The flow should be updated after the rarp broadcast packet be send by qemu.</div>
<div class="">So I think you should make sure whether the broadcast packet has been send and received by the host.</div>
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<div class=""><span style="color: rgb(33, 33, 33); font-family: Helvetica, Verdana, Arial; widows: 1; background-color: rgb(255, 255, 255);" class="">Best regards,</span></div>
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<div class="">Xiao Ma (<a href="mailto:xima2@cisco.com" class="">xima2@cisco.com</a>)<br class="">
马啸<br class="">
SDN Architect & OpenStack specialist<br class="">
Hybrid Cloud <br class="">
Cisco System (China)<br class="">
Mobile: (+86) 18911219332</div>
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<div class="">在 2016年2月17日，下午3:57，康敬亭 <<a href="mailto:jingting@unitedstack.com" class="">jingting@unitedstack.com</a>> 写道：</div>
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<div class="">Hi guys:</div>
<div class=""> </div>
<div class="">The bug has be reported on <a href="https://bugs.launchpad.net/neutron/+bug/1541738" style="line-height: 1.5;" class="">
https://bugs.launchpad.net/neutron/+bug/1541738</a></div>
<div class=""> </div>
<div class="">The flow in br-tun as below is generated by learning flow, and not updated immediately after vm live migration.</div>
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<div class="">Original flow:</div>
<div class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">cookie=0x0, duration=194.884s, table=20, n_packets=0, n_bytes=0, hard_timeout=300, idle_age=194, priority=</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">1,vlan_</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">tci=0x0306/</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">0x0fff,</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">dl_dst=</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">5a:c6:4f:</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">34:61:06
actions=</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">load:0-</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">>NXM_OF_</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">VLAN_TCI[</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">],load:</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">0x1ef-></span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">NXM_NX_</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">TUN_ID[</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">],<b class="">output:</b></span><b class=""><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">24</span></b></div>
<div class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">
</span></div>
<div class=""><span style="line-height: 1.5;" class="">Updated flow:</span></div>
<div class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">cookie=0x0, duration=194.884s, table=20, n_packets=0, n_bytes=0, hard_timeout=300, idle_age=194, priority=</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">1,vlan_</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">tci=0x0306/</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">0x0fff,</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">dl_dst=</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">5a:c6:4f:</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">34:61:06
actions=</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">load:0-</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">>NXM_OF_</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">VLAN_TCI[</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">],load:</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">0x1ef-></span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">NXM_NX_</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">TUN_ID[</span><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">],<b class="">output:</b></span><b class=""><wbr style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class="">26</span></b></div>
<div class=""><b class=""><span style="color: rgb(51, 51, 51); font-family: monospace; font-size: 12px; line-height: 18px;" class=""><br class="">
</span></b></div>
<div class=""><span style="color: rgb(51, 51, 51); font-family: monospace; line-height: 18px;" class=""><font size="4" class="">Anyone has idea how to update this flow proactively.thanks!</font></span></div>
<div class=""> </div>
<div class="">jingting</div>
<div class=""><tincludetail class=""></tincludetail></div>
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