[ovs-dev] IGMP Snooping support Last leave message.

[Flavio Leitner]

On Fri, Aug 07, 2015 at 12:54:12AM +0530, laxmikanta.behera at gmail.com wrote:
> Hi,
> 
> we are sending two different stream from same port using TG.
> 
> Do you want to say that only one host can connect in each port. My use case
> is I connect multiple host in a single host.

Yes.

> Please let us know if OVS support multiple host can connect in a single
> port.

It supports one host per port.  You can enable flood to
unconditionally send traffic through a port if you just want
to pass the traffic to the TG.

fbl


> 
> Thanks & Regards,
> Laxmikanta
> 
> 
> On Fri, Aug 7, 2015 at 12:44 AM, Flavio Leitner <fbl at sysclose.org> wrote:
> 
> > On Fri, Aug 07, 2015 at 12:00:14AM +0530, laxmikanta.behera at gmail.com
> > wrote:
> > > Hi ,
> > >
> > >
> > >
> > > IGMP Snooping table erasing  multicast group IP after receiving the 1st
> > > leave message from host.  vswitch is not waiting till receive the last
> > > leave message for the same multicast group IP from different host.
> >
> > The default is one host per port, so the first leave will drop the
> > address from the multicast db.
> >
> > > *Description*
> > >
> > >
> > >
> > > 1.       Host 1 and 2 both connected with port number 2.
> > >
> > > 2.       Host 1(00:00:00:00:00:01) – sending Join message to Multicast
> > > group Ip(239.255.255.250)
> > >
> > > 3.       After 100 sec
> > >
> > > 4.       Host 2 (A0:36:9F:4F:38:97) – Sending Join message to same
> > > Multicast group Ip(239.255.255.250)
> > >
> > > 5.       After 100 sec
> > >
> > > 6.       Host1 –Sending Leave message to Multicast group
> > > Ip(239.255.255.250).
> > >
> > >             After receive the 1st leave message, vswitch is erasing the
> > > group IP  from IGMP snooping table.  Please find below snap shot.
> > > Could you please confirm if OVS support the last leave message or not.
> >
> > How are you connecting your hosts? Usually you have one host per port
> > but that doesn't seem to be your use case.
> >
> > fbl
> >
> >
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