<div dir="ltr">Hi, I'm using VLAN, not GRE.<br>(However, I check firewall, it does not block anything)<br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Oct 16, 2013 at 4:32 PM, Robert Collins <span dir="ltr"><<a href="mailto:robertc@robertcollins.net" target="_blank">robertc@robertcollins.net</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">We saw a similar thing in TripleO on Fedora machines with GRE blocked<br>
by host firewalls. You might check that GRE packets are permitted.<br>
<br>
-Rob<br>
<div><div class="h5"><br>
On 16 October 2013 22:26, Chu Duc Minh <<a href="mailto:chu.ducminh@gmail.com">chu.ducminh@gmail.com</a>> wrote:<br>
> I use Quantum with VLAN and ip networknamespace.<br>
> After update some packages, all cloud instances lost connectivity.<br>
><br>
> I run "ovs-vsctl show" and "ovs-ofctl dump-flows br-int" on both<br>
> quantum-node and compute-node to check.<br>
> In Quantum node, everything is ok.<br>
> root@quantum:/etc/init.d# ovs-ofctl dump-flows br-int<br>
> NXST_FLOW reply (xid=0x4):<br>
>  cookie=0x0, duration=3284.199s, table=0, n_packets=33404, n_bytes=2134467,<br>
> priority=2,in_port=156 actions=drop<br>
>  cookie=0x0, duration=3199.3s, table=0, n_packets=1593, n_bytes=101952,<br>
> priority=3,in_port=156,dl_vlan=101 actions=mod_vlan_vid:14,NORMAL<br>
>  cookie=0x0, duration=3090.599s, table=0, n_packets=1539, n_bytes=98496,<br>
> priority=3,in_port=156,dl_vlan=114 actions=mod_vlan_vid:23,NORMAL<br>
>  cookie=0x0, duration=3125.8s, table=0, n_packets=4036, n_bytes=257248,<br>
> priority=3,in_port=156,dl_vlan=4 actions=mod_vlan_vid:21,NORMAL<br>
> v.v...<br>
><br>
> But in compute node, all my flows disappear:<br>
> root@compute-01:~# ovs-ofctl dump-flows br-int<br>
> NXST_FLOW reply (xid=0x4):<br>
>  cookie=0x0, duration=604.009s, table=0, n_packets=12897, n_bytes=823626,<br>
> priority=2,in_port=1 actions=drop<br>
>  cookie=0x0, duration=604.591s, table=0, n_packets=0, n_bytes=0, priority=1<br>
> actions=NORMAL<br>
><br>
> I restarted nova-compute, quantum-plugin-openvswitch-agent. Also reboot<br>
> compute node.<br>
> But nothing can help.<br>
><br>
> I checked log and did not found any error.<br>
> Do you know a quick fix for situation like that?<br>
><br>
> Thank you very much!<br>
><br>
><br>
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><br>
<span class="HOEnZb"><font color="#888888"><br>
<br>
<br>
--<br>
Robert Collins <<a href="mailto:rbtcollins@hp.com">rbtcollins@hp.com</a>><br>
Distinguished Technologist<br>
HP Converged Cloud<br>
</font></span></blockquote></div><br></div>