Hello, You are always right :) Everything works as expected now.
Thanks, Mihai On Wed, Oct 23, 2013 at 2:04 AM, Antonio Sanchez-Monge <[email protected]>wrote: > Agreed, that should do the trick too :) > > > On 10/23/13 1:01 AM, "Stacy W. Smith" <[email protected]> wrote: > > >Agreed. > > > >The lt-1/1/10.770 interface which is in VRF mvpn on logical-system x must > >have PIM enabled (or multicast forwarding enabled). If running PIM, it > >must be the DR. > > > >I wasn't suggesting disabling PIM on the lt-1/1/10.770 interface which is > >in VRF mvpn on logical-system x, just disabling PIM on the remote end of > >the a-x link (in logical-system a). > > > >--Stacy > > > >On Oct 22, 2013, at 4:49 PM, Antonio Sanchez-Monge <[email protected]> > >wrote: > >> You need PIM in the interface towards the source IMHO > >> > >> > >> > >> On 10/23/13 12:47 AM, "Stacy W. Smith" <[email protected]> wrote: > >> > >>> Yes, that would also work, but since logical-system a is really just > >>> emulating a multicast source, there's really no need for it to run > >>>PIM. A > >>> typical multicast source would not be running PIM. > >>> > >>> --Stacy > >>> > >>> On Oct 22, 2013, at 4:44 PM, Antonio Sanchez-Monge <[email protected] > > > >>> wrote: > >>>> Solution would be setting a higher PIM priority in lt-1/1/10.770, so > >>>> that > >>>> it becomes the DR > >>>> > >>>> > >>>> > >>>> > >>>> On 10/23/13 12:40 AM, "Antonio Sanchez-Monge" <[email protected]> > >>>> wrote: > >>>> > >>>>> That's a brilliant analysis Stacy, I think you nailed it (awaiting > >>>>> Mihai's > >>>>> confirmation). > >>>>> > >>>>> > >>>>> On 10/22/13 11:59 PM, "Stacy W. Smith" <[email protected]> wrote: > >>>>> > >>>>>> On Oct 22, 2013, at 2:44 PM, Mihai <[email protected]> wrote: > >>>>>>> Removing PIM fromlt-1/1/10.770 is not a solution because the PE > >>>>>>>will > >>>>>>> not learn about the source and the multicast group. > >>>>>> > >>>>>> Actually, removing lt-1/1/10.770 from PIM would allow the source and > >>>>>> multicast group to be learned, and fix the problem (as long as > >>>>>> multicast > >>>>>> routing was still enabled on the lt-1/1/10.770 interface). > >>>>>> > >>>>>> The problem is that there's a PIM neighbor relationship between a > >>>>>>and > >>>>>> x. > >>>>>> Because of your IP addressing, a is the DR for the a-x LAN. > >>>>>> > >>>>>> Because you are injecting traffic with ping and "bypass-routing > >>>>>> interface > >>>>>> lt-1/1/10.771" logical-system a is NOT the first-hop router. It's > >>>>>> simply > >>>>>> acting as a multicast source that's pumping traffic with destination > >>>>>> IP > >>>>>> 225.10.10.10 out the lt-1/1/10.771 interface. > >>>>>> > >>>>>> Logical-system x instance mvpn receives this traffic on > >>>>>>lt-1/1/10.770 > >>>>>> and > >>>>>> does not forward it because it is not the DR. > >>>>>> > >>>>>> Therefore, the logical-system x instance mvpn doesn't learn about > >>>>>>the > >>>>>> active (S,G). > >>>>>> > >>>>>> Another way to solve this problem is disabling PIM on logical-system > >>>>>> a. > >>>>>> This will make lt-1/1/10.770 on logical-system x instance mvpn the > >>>>>>DR, > >>>>>> and cause it to learn about the active S,G (and therefore generate > >>>>>>the > >>>>>> NG-MVPN Type 5 route). > >>>>>> > >>>>>> I have mocked up your configuration in the lab and confirmed that > >>>>>> removing PIM from logical-system a fixes the issue. > >>>>>> > >>>>>> --Stacy > >>>>>> > >>>>>> > >>>>>> > >>>>> > >>>> > >>>> > >>> > >>> > >>> > >> > >> > > > > > > > > > _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp

