Hi All,
I was just wondering what the upstream status of the open vSwitch
Linux kernel modules was and where I can follow the progress?
For example, is there a ongoing thread or git repo or even just
keywords to search on lkml?
Thanks,
Todd
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to setup a bridge and create
>>> virtual interfaces.
>>>
>>> Do I have to edit the scripts to use ovs-vsctl? Or can I bypass the xen
>>> scripts and map interfaces manually?
>>>
>>> Any pointers or links would be helpful. Thanks!
>>>
&g
On Sun, Feb 6, 2011 at 2:04 PM, Daniel Tiron wrote:
> Hi.
>
> During my research I did some performance tests. In some of your paper
> on ovs I read that "Open vSwitch is almost as fast as the native
> bridge". Well in my environment ovs beats the Linux Bridge [1].
>
> Do you have any explanation
ub.com/deshantm/Open-vSwitch-Testing/blob/master/bin/ovst-setup-network
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, particularly those with large
installations (think data centers, etc.)
Thanks,
Todd
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fctl
>
I used ovs-ofctl.
NOX is planned for future work as it has other benefits for our architecture.
Thanks,
Todd
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http://openv
//github.com/deshantm/Todd-Deshane-s-PhD-Dissertation/raw/master/figs/linux-network-ovs.eps
And described here:
http://github.com/deshantm/Todd-Deshane-s-PhD-Dissertation/blob/master/chapter-05.tex
I'll try post more details later.
Thanks,
Todd
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dress change to in that case?
All I really want to know for now is what the behavior is and that I
am accurately writing my rules to reflect that.
Thanks!
Todd
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Hi Waqas,
On Sun, Jul 11, 2010 at 6:17 AM, Waqas Daar wrote:
> Hi Todd,
> I highly appreciate for your prompt and detailed reply. One thing I want to
> ask is it possible that I can alter the controller's code
> afterwards. Because I want to isolate the control and data plane of the
> quagga soft
arted with ovs-vsctl.
I would also recommend that you take a look at the ovs-vsctl man page.
I initially thought I needed nox, but ovs-vsctl handles the
functionality that I am currently using.
Hope that helps to get your started.
Thanks,
Todd
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On Fri, Jul 9, 2010 at 2:01 AM, Justin Pettit wrote:
> On Jul 8, 2010, at 8:50 PM, Todd Deshane wrote:
>> Also, what would be the recommended way to delete/clean up the database?
>
> Here's the relavent code in "xenserver/etc_init.d_openvswitch":
>
> s
Hi All,
I just wanted to double check my understanding of how the ovs database works.
It seems that the database will persist even across a reboot, is that true?
Also, what would be the recommended way to delete/clean up the database?
Thanks,
Todd
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-vSwitch-Testing
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On Fri, May 21, 2010 at 5:48 PM, Todd Deshane wrote:
> Hi All,
>
> I wrote a set of scripts [1] to do some basic benchmarking of Open
> vSwitch to be able to compare its performance to standard bridging.
>
>
>
> [1] http://git.cslabs.clarkson.edu/ovs-testing/ovs-testin
though that trick works, it is clearly a hack. I think
libvirt will (if they haven't already) add support for gracefully
handling open vSwitch and similar things. Especially since qemu is
discussing supporting (maybe they already do support) various network
backends (vepa, vswitches, macvta
ebian specific. Patches would be very welcome
for other distributions. Xen support should also be easy to add.
Thanks,
Todd
[1] http://git.cslabs.clarkson.edu/ovs-testing/ovs-testing
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inal143.pdf
http://openvswitch.org/papers/hotnets2009.pdf
Hope that helps.
Todd
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to repeat and extend to make
fancier graphs.
I'll post an update to the list when I have it ready (enough).
Thanks,
Todd
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Hi,
Attached is a draft of a KVM usage guide.
Feel free to use, modify, and include as desired.
Comments welcome.
Thanks,
Todd
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INSTALL.KVM
Description: Binary data
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On Wed, May 19, 2010 at 12:02 AM, Ben Pfaff wrote:
> On Tue, May 18, 2010 at 10:39:15PM -0400, Todd Deshane wrote:
>> Maybe it would be useful to have a INSTALL.KVM?
>>
>> It would be the same as INSTALL.Linux, except for at the end, a
>> description of using the custom
-net
>> tap,script=externalbr-ifup,downscript=externalbr-ifdown -cdrom
>> ~/ubuntu-10.04-desktop-i386.iso &
>>
>> #When running these this time, notice the addition of the tap0, that's
>> the interface given to the kvm guest
>> sudo ovs-dpctl show e
nd other ovs-ofctl actions like:
add-flow SWITCH FLOW add flow described by FLOW
add-flows SWITCH FILEadd flows from FILE
del-flows SWITCH [FLOW] delete matching FLOWs
Hope that helps.
Questions and comments are welcome.
Thank
still non-obvious.
I'll make an attempt today or tomorrow and try to post a quick howto.
Todd
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!/bin/sh
switch=externalbr
sed -i "/$1/d" /etc/ovs/ovs-vswitchd.conf
/sbin/ifconfig $1 0.0.0.0 down
> I would like to create two VMs on bridge br1 and assign IPs to the virtual
> NICs and be able to ping the other VM as a basic test.
> Can someone help me out?
I should be abl
t;From the man page for ovf-ofctl:
idle_timeout=seconds Causes the flow to expire after the given
number of seconds of inactivity.
A value of 0 prevents a flow
from expiring due to inactivity. The default is 60 seconds.
Hope that helps.
Todd
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booting domUs are
> answered by the appropriate DHCP server and not a domU?
>
The fact that you can restrict flows based on MAC address and port should
be enough to make sure that the appropriate DHCP server answers. Again,
see that previous thread. It references documentation on creating
On Tue, Apr 27, 2010 at 9:20 PM, Jesse Gross wrote:
> On Tue, Apr 27, 2010 at 7:37 AM, George Shuklin wrote:
>>
>> Good day.
>>
>> Is any way to filter with ovs VM's traffic (like mac spoofing or ip
>> usurpation)?
>>
>> I was tried to find any, but found none.
>
> There isn't currently a specifi
Todd
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anges
related to basic usage that come along with this new configuration
database management?
Thanks,
Todd
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le [ $? -ne 0 ]; do
sleep 1
ifconfig -a | grep externalbr >/dev/null
done
dhclient externalbr > /dev/null 2>&1
Is there or will there be ovs and vswtichd init scripts?
Thanks!
Todd
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On Fri, Feb 12, 2010 at 2:51 PM, Todd Deshane wrote:
> So I think the next problem that I would like to solve is getting the
> host network to work correctly. When I do the obvious of simply
> copying the flows for the VM and changing the mac address to that of
> eth0, the host is
On Fri, Feb 12, 2010 at 12:27 AM, Justin Pettit wrote:
> Those flow entries all look reasonable to me. I don't see anything that
> would allow SSH or ICMP. Are you sure that you have the correct datapath
> configured? I notice all those packet and byte counters are zero. Can you
> try runni
>
> (Sent from my phone. Sorry for any typos.)
>
>
>
> On Feb 11, 2010, at 6:42 PM, Todd Deshane wrote:
>
>> Hi All,
>>
>> I almost have open vSwitch working the way I want it to, but I am
>> running across some unexpected problems. I've setup 2 sw
out it being restarted), which probably has something to do with
how the switch does its learning.
Any thoughts, suggestions, or things to try would be greatly appreciated.
Thanks,
Todd
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On Tue, Feb 9, 2010 at 11:28 AM, Peter Balland wrote:
> On Tue, Feb 9, 2010 at 8:12 AM, Todd Deshane wrote:
>>
>> ovs-dpctl dump-flows internalbr (seems to reveal the problem --
>> actions drop is specified)
>> in_port0003:vlan65535 mac52:54:00:12:34:56->52:54:
make more sense for me to setup an open flow
controller (such as the basic one that comes with vswitch or a more
advanced one like nox), to accomplish this basic functionality or will
simply using the ovs-dpctl and ovs-ofctl commands suffice for basic
demonstration purposes?
Let me know your rec
t;> seconds due to excessive rate
>> Feb 07 23:50:51|00012|bridge|WARN|bridge internalbr: received packet
>> on unknown interface 3
>> Feb 07 23:51:34|00013|bridge|WARN|Dropped 5 log messages in last 43
>> seconds due to excessive rate
>> Feb 07 23:51:34|00014|bridg
l bridge (such as dummy0) and an external bridge (such
as eth0).
Any ideas or suggestion on thing that I could try?
Thanks,
Todd
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