Hi All,
Thanks you, Ageeleshwar, for the response. I changed the ml2 configuration for
vlan from 1 to 8. The log and dump are in the following. But, I have a question
how the tenant subnet associated with a vlan? I want to have my both tenants
with 192.168.2.x and 192.168.3.x subnets to associate vlan2 and vlan3. How can
I do that with vlan?
Thanks,
Mitchell
[ml2]
type_drivers = vlan
tenant_network_types = vlan
mechanism_drivers = openvswitch
[ml2_type_vlan]
network_vlan_ranges = physnet1:1:8
[ovs]
local_ip = 192.168.1.218
bridge_mappings = physnet1:br-eth1
tenant_network_type = vlan
network_vlan_ranges = physnet1:1:8
integration_bridge = br-int
In my compute node, :
2015-03-20 12:14:32.068 1340 DEBUG neutron.agent.linux.utils
[req-8a174ab2-0a11-4278-afda-bd8a829831f3 None]
Command: ['sudo', '/usr/bin/neutron-rootwrap', '/etc/neutron/rootwrap.conf',
'ovs-ofctl', 'dump-flows', 'br-int', 'table=22']
Exit code: 0
Stdout: 'NXST_FLOW reply (xid=0x4):\n cookie=0x0, duration=169.473s, table=22,
n_packets=0, n_bytes=0, idle_age=169, priority=0 actions=drop\n'
Stderr: '' execute
/usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:75
2015-03-20 12:14:32.069 1340 DEBUG
neutron.plugins.openvswitch.agent.ovs_neutron_agent
[req-8a174ab2-0a11-4278-afda-bd8a829831f3 None] Agent rpc_loop - iteration:84
completed. Processed ports statistics: {'ancillary': {'removed': 0, 'added':
0}, 'regular': {'updated': 0, 'added': 0, 'removed': 0}}. Elapsed:0.065
rpc_loop
/usr/lib/python2.7/dist-packages/neutron/plugins/openvswitch/agent/ovs_neutron_agent.py:1388
2015-03-20 12:14:34.007 1340 DEBUG
neutron.plugins.openvswitch.agent.ovs_neutron_agent
[req-8a174ab2-0a11-4278-afda-bd8a829831f3 None] Agent rpc_loop - iteration:85
started rpc_loop
/usr/lib/python2.7/dist-packages/neutron/plugins/openvswitch/agent/ovs_neutron_agent.py:1287
2015-03-20 12:14:34.008 1340 DEBUG neutron.agent.linux.utils
[req-8a174ab2-0a11-4278-afda-bd8a829831f3 None] Running command: ['sudo',
'/usr/bin/neutron-rootwrap', '/etc/neutron/rootwrap.conf', 'ovs-ofctl',
'dump-flows', 'br-int', 'table=22'] create_process
/usr/lib/python2.7/dist-packages/neutron/agent/linux/utils.py:48
root@compute:# ovs-ofctl dump-flows br-eth1
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=1111.903s, table=0, n_packets=1070, n_bytes=191705,
idle_age=0, priority=4,in_port=4,dl_vlan=1 actions=mod_vlan_vid:2,NORMAL
cookie=0x0, duration=1113.399s, table=0, n_packets=508, n_bytes=95459,
idle_age=6, priority=2,in_port=4 actions=drop
cookie=0x0, duration=1114.149s, table=0, n_packets=613, n_bytes=41365,
idle_age=2, priority=1 actions=NORMAL
root@neutron:# ovs-ofctl dump-flows br-eth1
NXST_FLOW reply (xid=0x4):
cookie=0x0, duration=71982.785s, table=0, n_packets=10, n_bytes=796,
idle_age=65534, hard_age=65534, priority=4,in_port=2,dl_vlan=1
actions=mod_vlan_vid:2,NORMAL
cookie=0x0, duration=75606.253s, table=0, n_packets=29929, n_bytes=5592694,
idle_age=5, hard_age=65534, priority=2,in_port=2 actions=drop
cookie=0x0, duration=75607.504s, table=0, n_packets=1, n_bytes=78,
idle_age=65534, hard_age=65534, priority=1 actions=NORMAL
From: Akilesh K [mailto:akilesh1...@gmail.com]
Sent: Wednesday, March 18, 2015 11:13 PM
To: Mitchell Chen
Cc: openstack@lists.openstack.org
Subject: Re: [Openstack] Change from GRE to vlan
Apart from type_driver, there are many other setting in 'ml2_conf.ini'. Like
below
[ml2]
mechanism_drivers=openvswitch
type_drivers=vlan,flat
tenant_network_types=vlan,flat
[ml2_type_flat]
flat_networks=Extnet
[ml2_type_vlan]
network_vlan_ranges=Intnet1:100:200
[ovs]
bridge_mappings=Intnet1:br-eth1, Extnet:br-ex
In above configuration I am using one flat External network 'Extnet' and One
vlan network 'Intnet1'.
I would suggest read through the documentation given in the config file. It is
a good starting point.
In case you need more info we have created a few blog posts that could be of
help.
https://fosskb.wordpress.com/2014/06/19/l2-connectivity-in-openstack-using-openvswitch-mechanism-driver/
https://fosskb.wordpress.com/2014/09/15/l3-connectivity-using-neutron-l3-agent/
https://fosskb.wordpress.com/2014/10/18/openstack-juno-on-ubuntu-14-10/
Do write back if you need any further information.
Thank you,
Ageeleshwar K
On Thu, Mar 19, 2015 at 11:31 AM, Mitchell Chen
<mitchell.c...@mediatek.com<mailto:mitchell.c...@mediatek.com>> wrote:
Hi All,
I have, step by step, followed the OpenStack icehouse installation guide to
install control, compute and neutron nodes. They all run fine like OpenStack
document describes. There is a GRE tunneling connection described in OpenStack
installation guide from compute nodes to a neutron node. We currently plan to
change the GRE tunneling connection to vlan, but I don't see the Openstack
installation describes detail for setting up vlan.
I can see the type driver need to be changed from gre to vlan in ml2_conf.ini
files in all nodes. I also got a HP switch configured vlan trunk ports for each
computer and neutron systems to replace the current flat switch in the physical
private connection.
Besides the above mentioned ml2_conf.ini change and physical connection change,
is there anything else I need to do for setting the vlan connection to get the
external/internal nets, subnets and the router to work again to build
instances? I am going to do this work very soon and will appreciate advices
from your experience.
Thank you,
Mitchell
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