On 30 May 2012 21:42, Ben Pfaff <b...@nicira.com> wrote:
> On Wed, May 30, 2012 at 09:38:05PM +0100, Haris Rotsos wrote:
> > I am writting to this list, because I notice a strange behaviour with
> the
> > ovs-vswitch distributed with the ubuntu/debian distribution.
> >
> > My confusion/problem(?) lies on the way the ovs-vswitchd handles
> > arptraffic. I initialize my switch as follows:
> >
> > ovsdb-server /etc/openvswitch/conf.db --remote=punix:/var/run/ovsdb
> -server
> > --detach --monitor
> > ovs-vswitchd unix:/var/run/ovsdb-server --detach --monitor
>
fair point. I am using a custom start command so that if something goes
wrong I will still have access to the vm if I simply restart it and reset
all networking.
>
> Why do you go to this trouble of starting ovsdb-server and
> ovs-vswitchd yourself? The Debian packaging should do this for you.
> And then you would not need to say "--db=unix:/var/run/ovsdb-server"
> as you do, below.
>
> > ovs-vsctl --db=unix:/var/run/ovsdb-server init
> > ovs-vsctl --db=unix:/var/run/ovsdb-server add-br br0
> > ovs-vsctl --db=unix:/var/run/ovsdb-server add-port br0 eth1
> > ovs-vsctl --db=unix:/var/run/ovsdb-server set-controller br0 tcp:
> > 127.0.0.1:6633
> > ovs-vsctl --db=unix:/var/run/ovsdb-server set-fail-mode br0 standalone
> >
> > what i trying to do is to capture arp requests/response on the
> controller
> > on the interface eth0.
>
> It seems likely that you are getting caught by in-band control. I
> recommend setting up your controller in "out-of-band" mode.
>
yeap that worked.
Just for the records, in order to set this you need first to run
$ sudo ovs-vsctl list controller
_uuid : 89578a45-9d03-47f2-9cc2-b3e5fea71896
connection_mode : out-of-band
controller_burst_limit: []
controller_rate_limit: []
external_ids : {}
inactivity_probe : []
is_connected : true
local_gateway : []
local_ip : []
local_netmask : []
max_backoff : []
role : other
status : {last_error="Connection refused",
sec_since_connect="394", sec_since_disconnect="417", state=ACTIVE}
target : "tcp:127.0.0.1:6633"
then use the uuid of the controller and run
$ sudo ovs-vsctl set controller 89578a45-9d03-47f2-9cc2-b3e5fea71896
connection_mode="out-of-band"
thanks forthe quick reply.
--
Charalampos Rotsos
PhD student
The University of Cambridge
Computer Laboratory
William Gates Building
JJ Thomson Avenue
Cambridge
CB3 0FD
Phone: +44-(0) 1223 767032
Email: cr...@cl.cam.ac.uk
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