All things related to multicast

[Hank Nussbacher <>]

On Thu, 12 Jun 2008, John Watters wrote:

Can I add that to my posting on cisco-nsp about this?

Thanks,
-Hank

> Nor does it work on a Cisco 7609 10G interface running IOS 12.2(33)SRB2:
>
> UA-004-R1(config)#int te2/1.1702
> UA-004-R1(config-subif)#ip multicast ?
>  boundary       Boundary for administratively scoped multicast addresses
>  helper-map     Broadcast to Multicast map OR Multicast to ip-address map
>  limit          Limit multicast mroute state
>  rate-limit     Rate limit multicast data packets
>  ttl-threshold  TTL threshold for multicast packets
>
> UA-004-R1(config-subif)#ip multicast rate-limit in group-list SAP-mcast-group 
> 1000
> "ip multicast rate-limit" command is not supported
> UA-004-R1(config-subif)#
> UA-004-R1#
>
> -jcw
>
>
>
>
> > To: Hank Nussbacher 
> > <>
> > Cc: Niels den Otter 
> > <>,
> >  Pekka Savola 
> > <>,
> >         
> > ,
> >  
> > ,
> >         Chris Robb 
> > <>,
> >         "Taylor, Scott J." 
> > <>,
> >         
> >
> > From: Zenon Mousmoulas 
> > <>
> > Subject: Re: Another SAP Storm?
> > Date: Thu, 12 Jun 2008 11:17:42 +0300
> >
> > On 12 ???????? 2008, at 8:43 ????, Hank Nussbacher wrote:
> >
> > > At 11:45 PM 11-06-08 +0300, Zenon Mousmoulas wrote:
> > >
> > > > Not sure about JunOS, but I believe this should do the trick for
> > > > Cisco
> > > > IOS:
> > > >
> > > > ip access-list standard SAP-mcast-group
> > > > permit host 224.2.127.254
> > > > deny any any
> > > > exit
> > > >
> > > > interface X/Y.Z
> > > > ip multicast rate-limit in group-list SAP-mcast-group 1000
> > > > exit
> > > >
> > > > This should be applied at (interfaces facing) the edges of your
> > > > multicast network. It effectively means that any sources the router
> > > > sees with a rate exceeding 1000 kbps, it will not forward downstream.
> > >
> > > This doesn't work in 12.2(18)SXF11 on a POS interface.  Any other
> > > suggestion?
> >
> > I don't know what platform you tried it on, but I've only tested it on
> > software-based routers: 7301 (running 12.4T), 7204 VXR (12.3T).
> > Therefore I'm not sure if it's the hardware platform that doesn't
> > support it (I wouldn't be suprised if it doesn't work on GSRs or
> > specific line cards) or if you need a different IOS train.
> >
> > I'd need to look it up in IOS documentation...
>
>
>
>
> -------------------------------------
> John Watters    UA: OIT  205-348-3992