<div dir="ltr">You should be able to compile openvswitch from source here : <a href="http://openvswitch.org/download/">http://openvswitch.org/download/</a> and then you'll get tunnel support. <div><br></div><div style>
Aaron</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Tue, Jul 9, 2013 at 10:21 PM, Haitao Jiang <span dir="ltr"><<a href="mailto:jianghaitao@gmail.com" target="_blank">jianghaitao@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Aaron & Chandler<br>
<br>
Thanks a lot for the help. I should have mentioned that the host OS is<br>
CentOS 6.4 (specifically the kernel from RedHat RDO). I googled and<br>
found that it may not have gre tunneling support. Is there anyone who<br>
has successfully set up gre with RDO's kernel or it is just can not be<br>
done and I should use the VLAN.<br>
<br>
As Aaron suspected, there are errprs in the OVS agent log:<br>
<br>
system@ovs-system: failed to add gre-3 as port: Address family not<br>
supported by protocol<br>
<br>
More details below<br>
<br>
Any pointer will be highly appreciated!<br>
<br>
Haitao<br>
======================================<br>
Here are some outputs on my compute node (.46, .42 is the control node<br>
and .44 is the network node):<br>
<br>
<br>
# ovs-vsctl show<br>
1d554b19-2a2b-493d-a123-0efb0aabc7d1<br>
<div class="im"> Bridge br-int<br>
Port br-int<br>
Interface br-int<br>
type: internal<br>
</div> Port "qvo8108425f-ef"<br>
tag: 1<br>
Interface "qvo8108425f-ef"<br>
<div class="im"> Port patch-tun<br>
Interface patch-tun<br>
type: patch<br>
options: {peer=patch-int}<br>
</div> Bridge br-tun<br>
<div class="im"> Port br-tun<br>
Interface br-tun<br>
type: internal<br>
</div> Port "gre-3"<br>
Interface "gre-3"<br>
type: gre<br>
options: {in_key=flow, out_key=flow, remote_ip="10.18.250.44"}<br>
Port "gre-4"<br>
Interface "gre-4"<br>
type: gre<br>
options: {in_key=flow, out_key=flow, remote_ip="10.18.250.42"}<br>
<div class="im"> Port patch-int<br>
Interface patch-int<br>
type: patch<br>
options: {peer=patch-tun}<br>
</div> ovs_version: "1.10.0"<br>
<br>
# ovs-ofctl dump-ports br-tun<br>
OFPST_PORT reply (xid=0x2): 2 ports<br>
port 1: rx pkts=50, bytes=3300, drop=0, errs=0, frame=0, over=0, crc=0<br>
tx pkts=0, bytes=0, drop=0, errs=0, coll=0<br>
port LOCAL: rx pkts=0, bytes=0, drop=0, errs=0, frame=0, over=0, crc=0<br>
tx pkts=140, bytes=9800, drop=0, errs=0, coll=0<br>
<br>
# uname -r<br>
2.6.32-358.111.1.openstack.el6.x86_64<br>
<br>
# modinfo openvswitch<br>
filename:<br>
/lib/modules/2.6.32-358.111.1.openstack.el6.x86_64/extra/openvswitch/openvswitch.ko<br>
version: 1.10.0<br>
license: GPL<br>
description: Open vSwitch switching datapath<br>
srcversion: 480D55A9BB0E8B000E32010<br>
depends:<br>
vermagic: 2.6.32-358.111.1.openstack.el6.x86_64 SMP mod_unload<br>
modversions<br>
parm: vlan_tso:Enable TSO for VLAN packets (int)<br>
<br>
# tail ovs-vswitchd.log<br>
2013-07-09T23:28:18Z|00002|reconnect|INFO|unix:/var/run/openvswitch/db.sock:<br>
connecting...<br>
2013-07-09T23:28:18Z|00003|reconnect|INFO|unix:/var/run/openvswitch/db.sock:<br>
connected<br>
2013-07-09T23:28:18Z|00004|bridge|INFO|bridge br-int: added interface<br>
patch-tun on port 1<br>
2013-07-09T23:28:18Z|00005|bridge|INFO|bridge br-tun: added interface<br>
patch-int on port 1<br>
2013-07-09T23:28:18Z|00006|dpif|WARN|system@ovs-system: failed to add<br>
gre-3 as port: Address family not supported by protocol<br>
2013-07-09T23:28:18Z|00007|dpif|WARN|system@ovs-system: failed to add<br>
gre-4 as port: Address family not supported by protocol<br>
2013-07-09T23:28:18Z|00008|bridge|INFO|bridge br-int: using datapath<br>
ID 0000dacb49a63448<br>
2013-07-09T23:28:18Z|00009|connmgr|INFO|br-int: added service<br>
controller "punix:/var/run/openvswitch/br-int.mgmt"<br>
2013-07-09T23:28:18Z|00010|bridge|INFO|bridge br-tun: using datapath<br>
ID 00009a14eee01941<br>
2013-07-09T23:28:18Z|00011|connmgr|INFO|br-tun: added service<br>
controller "punix:/var/run/openvswitch/br-tun.mgmt"<br>
2013-07-09T23:28:18Z|00012|bridge|INFO|ovs-vswitchd (Open vSwitch) 1.10.0<br>
2013-07-09T23:28:28Z|00013|memory|INFO|7848 kB peak resident set size<br>
after 10.0 seconds<br>
2013-07-09T23:28:28Z|00014|memory|INFO|ports:5 rules:11<br>
2013-07-09T23:28:28Z|00015|ofproto|INFO|br-int: 2 flow_mods in the 4 s<br>
starting 10 s ago (1 adds, 1 deletes)<br>
2013-07-09T23:28:28Z|00016|ofproto|INFO|br-tun: 5 flow_mods in the 3 s<br>
starting 10 s ago (5 adds)<br>
2013-07-09T23:53:25Z|00017|netdev|WARN|failed to set flags for network<br>
device patch-int: Operation not supported<br>
<div class="HOEnZb"><div class="h5"><br>
On Tue, Jul 9, 2013 at 8:59 PM, Aaron Rosen <<a href="mailto:arosen@nicira.com">arosen@nicira.com</a>> wrote:<br>
> I'd check the quantum openvswitch agent log files. I'd guess the reason this<br>
> isn't working is because your kernel isn't using the openvswitch kernel<br>
> module that has tunnel support.<br>
><br>
> Aaron<br>
><br>
><br>
> On Tue, Jul 9, 2013 at 9:19 AM, Haitao Jiang <<a href="mailto:jianghaitao@gmail.com">jianghaitao@gmail.com</a>> wrote:<br>
>><br>
>> I just set up a multi-node Grizzly release 2013.2 with 1 controller<br>
>> node, 1 network node and 1 compute node. I use GRE tunneling.<br>
>><br>
>> I create one VM on the compute node and was not able to ssh to it using<br>
>> netns.<br>
>><br>
>> One thing I noticed is that on my compute node, I do not have br-int<br>
>> and br-tun in the list, nor do I find any GRE tunnels. Am I supposed<br>
>> to create the GRE tunnels manually or they should be set up<br>
>> automatically by Quantum? Any idea or suggestion to make it work?<br>
>><br>
>> Thanks in advance!<br>
>><br>
>> ------ Compute node --------<br>
>> -- /etc/quantum/plugins/openvswitch/ovs_quantum_plugin.ini --<br>
>> tunnel_id_ranges=1:1000<br>
>> integration_bridge=br-int<br>
>> tunneling_bridge=br-tun<br>
>> tenant_network_type=gre<br>
>> enable_tunneling=True<br>
>> local_ip = <host IP><br>
>><br>
>> # brctl show<br>
>> bridge name bridge id STP enabled interfaces<br>
>> qbr5a9800b9-26 8000.5242b197c3d3 no<br>
>> qvb5a9800b9-26<br>
>> tap5a9800b9-26<br>
>> virbr0 8000.525400198a10 yes virbr0-nic<br>
>><br>
>> # ovs-vsctl show<br>
>> 1d554b19-2a2b-493d-a123-0efb0aabc7d1<br>
>> Bridge br-tun<br>
>> Port patch-int<br>
>> Interface patch-int<br>
>> type: patch<br>
>> options: {peer=patch-tun}<br>
>> Port br-tun<br>
>> Interface br-tun<br>
>> type: internal<br>
>> Bridge br-int<br>
>> Port br-int<br>
>> Interface br-int<br>
>> type: internal<br>
>> Port patch-tun<br>
>> Interface patch-tun<br>
>> type: patch<br>
>> options: {peer=patch-int}<br>
>> Port "qvo5a9800b9-26"<br>
>> tag: 1<br>
>> Interface "qvo5a9800b9-26"<br>
>> ovs_version: "1.10.0"<br>
>><br>
>> ------------ network node ---------------<br>
>> # brctl show<br>
>> bridge name bridge id STP enabled interfaces<br>
>><br>
>> # ovs-vsctl show<br>
>> b9f0e822-cfc1-4b70-ac5b-abc4e5c258a4<br>
>> Bridge br-int<br>
>> Port br-int<br>
>> Interface br-int<br>
>> type: internal<br>
>> Port "tap9536e146-c2"<br>
>> Interface "tap9536e146-c2"<br>
>> Bridge br-ex<br>
>> Port br-ex<br>
>> Interface br-ex<br>
>> type: internal<br>
>> ovs_version: "1.10.0"<br>
>><br>
>> _______________________________________________<br>
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>> Post to : <a href="mailto:openstack@lists.launchpad.net">openstack@lists.launchpad.net</a><br>
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><br>
><br>
</div></div></blockquote></div><br></div>