[c-nsp] MVPN vs. plain-old-multicast

[Vitkovský Adam]

Hi Jason,

I'm actually working on a rollout of one setup where I'm trying to combine Rosen mLDP with oldschool Rosen mGRE.
Though my setup is easy as the m-cast is going to be introduced only via one POP -so I don't need to do the RPF selection on nodes capable of Rosen mLDP.
In theory it's fairly easy but in practice one could hit several bumps on a way to a working setup.
 
E.g. right now I'm facing a problem that the streams work for around 45sec and then the head-end ASR stops transmitting to the Lmdtiptv and mdtiptv trees.


adam

> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> Jason Lixfeld
> Sent: Monday, November 24, 2014 10:08 PM
> To: <cisco-nsp at puck.nether.net>
> Subject: [c-nsp] MVPN vs. plain-old-multicast
> 
> Hi all,
> 
> We’ve got an A9K MPLS core that we do all sorts of fun stuff on, including
> LSM.  Yay for a PIM-free core!
> 
> We’ve also got a whack of ME3600 PEs in ring that hang off of the A9Ks.  Also
> fully MPLS enabled; all L3 ME3600 and A9K core.  While looking to bring
> multicast out to these ME3600 PEs, which don’t support LSM, we’re faced
> with whether or not we deploy MVPN or just plain-old-multicast.  In our
> particular deployment, multicast receivers, which we own and control, would
> be hanging off of our ME3600 PEs.  As such, all sources (behind the LSM core)
> and all receivers would all be in the same VRF.
> 
> In order to do MVPN, we’d have to enable PIM between the ME3600s and
> the A9Ks anyway, so since this is all in a common VRF, is there really any
> benefit to doing MVPN?
> 
> Thanks in advance for any insight.
> 
> 
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