Maybe you should show us your configuration.  It seems likely that
there is just some misunderstanding.

On Thu, Mar 15, 2012 at 05:30:19PM +0530, edward wilson wrote:
> when I am creating cfm between two ovs ( one physical and other VM on same
> machine) , CCM packet are with RDI bit set.
> connection is not making between MPs.
> both are on same bradcast domain.
> 
> tried with two physical machines with OVS by giving same vlan id, but
> result is same.
> 
> -ed
> 
> On Sat, Feb 18, 2012 at 2:27 AM, Ethan Jackson <et...@nicira.com> wrote:
> 
> >   > Ed- same broadcast domain , you mean- I have to assign all MPs in one
> > vlan
> > > or same network should be provided.
> >
> > The CFM module sends multicast CCMs on the interface upon which it's
> > configured.  Presumably, multicast/broadcasts packets egressing this
> > interface can reach some set of other hosts on the network.  This set
> > can be restricted by using VLANs or other strategies.  How this is
> > done precisely, is out of the scope of the CFM module.  The important
> > thing is, when the CFM module broadcasts CCMs, all other MPs that
> > these CCMs reach need to have the same transmission interval.
> >
> > >> > 2) along with that I want to know how can I see the current timer
> > value
> > >> > by
> > >> > any show command for particular MPids, I didn' tfind any command for
> > >> > this.
> > >>
> > >> ovs-appctl cfm/show will give you information about currently configured
> > >> CFM.
> >
> > The CFM module doesn't maintain a separate timer for each remote MP.
> > Instead it maintains one timer that triggers at an interval of 3.5
> > times the transmission interval.  When the CFM module receives a CCM
> > from a remote MP, it sets a flag for this remote MP indicating the
> > reception.   When the timer triggers, any MPs which are not flagged
> > are considered unreachable and removed.  All of this information (the
> > timers, the set of reachable MPs, the reception flag) is available
> > from the ovs-appctl cfm/show command.
> >
> > It's also worth noting that we don't implement the full 802.1ag
> > specification.  We implement a much simplified version which maintains
> > the packet format, but is quite a bit less sophisticated than the
> > standard.
> >
> > Ethan
> >
> >
> >
> > >
> > >
> > > Ed- this command shows the configured CFM,my doubt was when CCM received
> > > then timer gets restarted then how can I check /verfiy this that timer
> > has
> > > been restarted for a MP or MPs
> > >>
> > >>
> > >> Ethan
> > >>
> > >>
> > >>
> > >> >
> > >> > Regards,
> > >> > Ed
> > >> >
> > >> > _______________________________________________
> > >> > discuss mailing list
> > >> > discuss@openvswitch.org
> > >> > http://openvswitch.org/mailman/listinfo/discuss
> > >> >
> > >
> > >
> >

> _______________________________________________
> discuss mailing list
> discuss@openvswitch.org
> http://openvswitch.org/mailman/listinfo/discuss

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