[one-users] OpenvSwitch intergration

[Campbell, Bill]

If you are using virtio as the network adapter model for your VMs then you will see the interface speed reported as 10MB interfaces (virtio has no limit, and is reported falsely in most tools). 

You can run a bandwidth test between 2 VMs (or from a VM to another system in your infrastructure) using a tool like iperf to validate. Here's a good blog post that gives a brief overview on how to use it: 

http://linux.cloudibee.com/2009/02/iperf-network-throughput-measurement-tool/ 

If using CentOS/RHEL, EPEL has this tool. I believe it is in the Ubuntu/Debian default repositories. 

----- Original Message -----

From: "Shek Mohd Fahmi Abdul Latip" <fahmi.latip at mimos.my> 
To: users at lists.opennebula.org 
Cc: "Hadi Noira Omar" <hadi.omar at mimos.my>, "Shahrin Mohamad Fuzi" <shahrin.fuzi at mimos.my> 
Sent: Thursday, September 26, 2013 6:52:15 AM 
Subject: [one-users] OpenvSwitch intergration 

Hi experts, 
I’m integrating OpenvSwitch with Opennebula. The good news is, they work beautifully together J . Bad news is very less documentation available for OpenvSwitch. Then I have doubt on the new setup of OpenvSwitch. When I deploying VM through Opennebula, it created vnet as expected. Somehow the speed of it downgraded to 10MB-FD compare what I have on physical hardware, 1GB-FD. Could someone please advise me how to ensure that vnet speed same at physical network card? Here is my current configuration: 
# ovs-vsctl show 
8167368c-a8f8-41dd-beab-7984a3e63ddb 
Bridge "ovsbr0" 
Port "ovsbr0" 
Interface "ovsbr0" 
type: internal 
Port "vnet1" 
tag: 407 
Interface "vnet1" 
Port "ovsbond0" 
Interface "eth1" 
Interface "eth0" 
Port "vnet0" 
tag: 264 
Interface "vnet0" 
ovs_version: "1.10.0" 
# ovs-appctl bond/show 
---- ovsbond0 ---- 
bond_mode: active-backup 
bond-hash-basis: 0 
updelay: 0 ms 
downdelay: 0 ms 
lacp_status: negotiated 
slave eth0: enabled 
may_enable: true 
slave eth1: enabled 
active slave 
may_enable: true 
# ovs-ofctl show ovsbr0 
OFPT_FEATURES_REPLY (xid=0x2): dpid:0000e8393524b2b6 
n_tables:254, n_buffers:256 
capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IP 
actions: OUTPUT SET_VLAN_VID SET_VLAN_PCP STRIP_VLAN SET_DL_SRC SET_DL_DST SET_NW_SRC SET_NW_DST SET_NW_TOS SET_TP_SRC SET_TP_DST ENQUEUE 
1(eth0): addr:e8:39:35:24:b2:b6 
config: 0 
state: 0 
current: 1GB-FD COPPER AUTO_NEG 
advertised: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD AUTO_NEG 
supported: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG 
speed: 1000 Mbps now, 1000 Mbps max 
2(eth1): addr:e8:39:xx:xx:xx:xx 
config: 0 
state: 0 
current: 1GB-FD COPPER AUTO_NEG 
advertised: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD AUTO_NEG 
supported: 10MB-HD 10MB-FD 100MB-HD 100MB-FD 1GB-FD COPPER AUTO_NEG 
speed: 1000 Mbps now, 1000 Mbps max 
11(vnet0): addr:fe:00:xx:xx:xx:xx 
config: 0 
state: 0 
current: 10MB-FD COPPER 
speed: 10 Mbps now, 0 Mbps max 
12(vnet1): addr:fe:00:xx:xx:xx:xx 
config: 0 
state: 0 
current: 10MB-FD COPPER 
speed: 10 Mbps now, 0 Mbps max 
LOCAL(ovsbr0): addr:e8:39:xx:xx:xx:xx 
config: 0 
state: 0 
speed: 0 Mbps now, 0 Mbps max 
OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0 
Best regards, 
.fahmie 


------------------------------------------------------------------ 
- 
- 
DISCLAIMER: 

This e-mail (including any attachments) is for the addressee(s) 
only and may contain confidential information. If you are not the 
intended recipient, please note that any dealing, review, 
distribution, printing, copying or use of this e-mail is strictly 
prohibited. If you have received this email in error, please notify 
the sender immediately and delete the original message. 
MIMOS Berhad is a research and development institution under 
the purview of the Malaysian Ministry of Science, Technology and 
Innovation. Opinions, conclusions and other information in this e- 
mail that do not relate to the official business of MIMOS Berhad 
and/or its subsidiaries shall be understood as neither given nor 
endorsed by MIMOS Berhad and/or its subsidiaries and neither 
MIMOS Berhad nor its subsidiaries accepts responsibility for the 
same. All liability arising from or in connection with computer 
viruses and/or corrupted e-mails is excluded to the fullest extent 
permitted by law. 



_______________________________________________ 
Users mailing list 
Users at lists.opennebula.org 
http://lists.opennebula.org/listinfo.cgi/users-opennebula.org 


NOTICE: Protect the information in this message in accordance with the company's security policies. If you received this message in error, immediately notify the sender and destroy all copies.

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.opennebula.org/pipermail/users-opennebula.org/attachments/20130926/83bd2d7e/attachment-0002.htm>