[streaming] VLC on an IPv6 PIM SSM scenario

[Sachin K]

I think the job of generating a MLDv2 report is the responsiblity of
the Kernel. Application should be transperant of the MLD/IGMP report
handling.

That's why we have the socket interface with Multicast Source Filters.

Thanks,
Sachin

On Dec 4, 2007 10:00 PM, Hansi <hantongs at gmail.com> wrote:
> Hello Sebastien,
>
> Thank you for showing this to me. However, the issue that bugs me is that
> upon specifying the (S,G) pair in VLC and pressing OK. Shouldn't it be that
> the application will generate a MLDv2 Join Message to the upstream router
> indicating that it wants to join the multicast group specifiied in the (S,G)
> pair? Please correct me if I'm wrong.
>
> Unfortunately, upon doing so. I dont see any MLDv2 Join Message. Though I
> see Multicast Listener Report messages but not intended for the multicast
> group specified in the (S,G) pair.
>
> Appreciate you inputs on this.
>
> Regards,
> Hansi
>
>
>
> On Dec 4, 2007 9:53 PM, Sebastien Chaumontet <sebastien at chaumontet.net>
> wrote:
> > Hi,
> >
> > I'm using ipv6 multicast SSM + vlc without any issue.
> >
> > For example logs in my multicast router shows:
> > Dec 04 14:45:16 [eth0] MLD, Received a MLDv2 Membership Report from
> > fe80::226:54ff:fe10:70ad to ff02::16
> > Dec 04 14:45:16 Created group ff3e::1234 using source discs data-plane
> > Dec 04 14:45:16 Created Group ff3e::1234.
> > Dec 04 14:45:16 Create state for group ff3e::1234.
> > Dec 04 14:45:16 (ff3e::1234) Added eth0 to interface list.
> > Dec 04 14:45:16 [eth0] (ff3e::1234) Refresh triggered by
> > fe80::226:54ff:fe10:70ad with mode CHANGE_TO_INCLUDE and sources
> > {2001:ec2:4002:fa11:200:24ff:fec4:3235}.
> > Dec 04 14:45:16 [eth0] (ff3e::1234) Filter is now Include
> > {2001:ec2:4002:fa11:200:24ff:fec4:3235}
> > Dec 04 14:45:16 Created source state for
> 2001:ec2:4002:fa11:200:24ff:fec4:3235.
> > Dec 04 14:45:16 (ff3e::1234) PIM,
> > (2001:ec2:4002:fa11:200:24ff:fec4:3235) set_local_oif eth0  join
> > Dec 04 14:45:16 (ff3e::1234) PIM,
> > (2001:ec2:4002:fa11:200:24ff:fec4:3235) Added intf eth0
> > Dec 04 14:45:16 (ff3e::1234) PIM,
> > (2001:ec2:4002:fa11:200:24ff:fec4:3235) Intf(eth0) Changed state
> > NoInfo -> Include
> > Dec 04 14:45:16 (ff3e::1234) PIM,
> > (2001:ec2:4002:fa11:200:24ff:fec4:3235) update_fib(eth0) += 1 [with
> > iif=(null)]
> > Dec 04 14:45:16 (ff3e::1234) PIM,
> > (2001:ec2:4002:fa11:200:24ff:fec4:3235) Internal activity changed to
> > true
> > Dec 04 14:45:16 (ff3e::1234) PIM, Created state
> > (2001:ec2:4002:fa11:200:24ff:fec4:3235).
> > Dec 04 14:45:16 Target 2001:ec2:4002:fa11:200:24ff:fec4:3235 using
> > entry ::/0 [Static].
> > ...
> >
> > So, my router can see MLDv2 (S,G) joins.
> >
> > Test performed with VLC 0.8.6 on ubuntu with 2.6.20-16-generic
> > Command line used: vlc -I dummy
> > udp://[2001:ec2:4002:fa11:200:24ff:fec4:3235]@[ff3e::1234]
> >
> > Router is mrd6 runing on Linux.
> >
> > Hope this help.
> >
> > Regards
> > Seb
> >
> >
> >
> >
> > On Dec 4, 2007 1:51 PM, Hansi <hantongs at gmail.com> wrote:
> > > Hello All,
> > >
> > > Has anyone tried using VLC as a streaming client under MLDv2 protocol on
> a
> > > PIM SSM topology setup? I have a IPv6 multicast setup with XORP as
> multicast
> > > routers. However, I can't receive any multicast streams. I don't see any
> > > MLDv2 Join message generated by vlc either upon trying to join a (S,G)
> > > channel.
> > > More details on this link:
> > >
> http://mailman.icsi.berkeley.edu/pipermail/xorp-users/2007-December/002251.html
> .
> > > Appreciate the assistance.
> > >
> > >
> > > Thanks,
> > > Hansi
> > >
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> >
>
>
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