[ovs-discuss] issues in configuring sfflow

Ben Pfaff blp at nicira.com
Thu Nov 1 16:31:36 UTC 2012


I don't know.

On Thu, Nov 01, 2012 at 10:53:49AM -0500, gandhi mathi wrote:
> Hi Ben pfaff,
>    Can I use mininet VM image or can I go for mininet installation for
> native Ubuntu. If it is the second case can I create a VM with ubuntu OS
> and install mininet on it as laptop is having windows 7 OS.
> I have a doubt as is it possible to configure sFlow on a pre-built mininet
> VM image.
> 
> Thanks
> Gandhi
> 
> 
> On 1 November 2012 01:04, Ben Pfaff <blp at nicira.com> wrote:
> 
> > You need to either install Open vSwitch by very carefully reading and
> > following the instructions in INSTALL or INSTALL.Linux, or to use an OVS
> > installation provided by a distribution such as Debian.  Then you can
> > use sFlow.
> >
> > On Wed, Oct 31, 2012 at 11:46:47PM -0500, gandhi mathi wrote:
> > > Hi Ben Pfaff,
> > >   My aim is to configure sFlow of ovs in mininet. Can it be possible? I
> > > have downloaded the mininet VM image in my laptop with windows 7 OS and
> > > working on it. In mininet the ovs is pre installed right? Then what are
> > the
> > > things I need to take care before going to configure sFlow on it. What do
> > > you  mean by prepackaged installation?
> > > Thanks !
> > > Gandhi
> > >
> > >
> > > On 31 October 2012 22:45, Ben Pfaff <blp at nicira.com> wrote:
> > >
> > > > You didn't create the database.
> > > >
> > > > Are you carefully following the installation instructions?  If you
> > can't
> > > > follow them accurately, then perhaps you should use a prepackaged
> > > > installation.
> > > >
> > > > On Wed, Oct 31, 2012 at 10:34:58PM -0500, gandhi mathi wrote:
> > > > > Hi Ben Pfaff,
> > > > >    Thank you for your reply.
> > > > > I tried to start ovsdb-server by shell script as follows:
> > > > >
> > > > > #!/usr/bin/sh
> > > > >
> > > > > ovsdb-server /usr/local/etc/openvswitch/conf.db
> > > > > --remote=punix:/usr/local/var/run/openvswitch/db.soc
> > > > > --remote=db:Open_vSwitch,manager_options
> > --private-key=db:SSL,private_key
> > > > > --certificate=db:SSL,certificate --bootstrap-ca-cert=db:SSL,ca_cert
> > > > > --pidfile --detach --log-file
> > > > >
> > > > >
> > > > > But it is giving the error message as :
> > > > >
> > > > > Oct 31 12:26:28|00001|vlog|INFO|opened log file
> > > > > /usr/local/var/log/openvswitch/o
> > > > >
> > > > > vsdb-server.log
> > > > >
> > > > > ovsdb-server: I/O error: open: /usr/local/etc/openvswitch/conf.db
> > failed
> > > > > (No suc
> > > > >                                                 h file or directory)
> > > > >
> > > > >
> > > > >
> > > > > Thanks
> > > > > Gandhi
> > > > >
> > > > >
> > > > >
> > > > > On 31 October 2012 21:57, Ben Pfaff <blp at nicira.com> wrote:
> > > > >
> > > > > > On Wed, Oct 31, 2012 at 08:40:09PM -0500, gandhi mathi wrote:
> > > > > > > In my project I am  using mininet to create networks and while I
> > am
> > > > > > trying
> > > > > > >  to configure the sflow in the ovs,by using a shell script, I am
> > > > getting
> > > > > > > the error as:
> > > > > > > Oct 31
> > > > > > >
> > > > > >
> > > >
> > 11:00:34|00005|reconnect|WARN|unix:/usr/local/var/run/openvswitch/db.sock:
> > > > > > > connection attempt failed (No such file or directory)
> > > > > >
> > > > > > Either ovsdb-server isn't running or it's listening on a different
> > > > > > socket.  You should be able to figure out which.
> > > > > >
> > > >
> >



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