All things related to multicast

[Marshall Eubanks <>]

Bill Nickless wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
>
> At 09:58 AM 2/16/2001 -0500, Roy D. Hockett wrote:
> >         I am seeking practical advice on both RP with sparse mode, and 
> > group
> >filtering.
> >
> >         Of those that have deployed multicast in enterprises enviorments, 
> > how
> >did you setup your RPs. I remember, someone, talking about using a
> >private IP address on a loopback interface on each router. How has
> >auto-RP worked for those cisco shops out there?
>
> MSDP RPF rules are a lot simpler when the RP is on your primary BGP
> NLRI=Multicast speaker.  My experience has been that things are a lot
> easier when you use a loopback address on your border router as your RP
> address.  This RP address *MUST* be advertised in your BGP NLRI=Multicast
> announcement, as an RFC-1918 address will NOT work with MSDP.  Remember,
> MSDP RPF checks are on the address of the RP.
>
> We statically configure the RP address in all of our other routers.  But
> other people have had good luck with auto-RP.
>
> See my web page
>
>   http://www-fp.mcs.anl.gov/~nickless/MBGP+PIMSM+MSDP_files/v3_document.htm
>
> for an outline of how PIM-SM, MSDP, and BGP NLRI=Multicast work together.
>

Hi Bill;

   Do you have this as a pdf or ps file ? I'd like to take it with me to 
NANOG to read
on the train.

                            Marshall


>
> >         What multicast groups have you filtered on your borders to the
> >internet, and other organizations?
>
>      deny ip any host 224.0.2.2 (254021 matches)
>      deny ip any host 224.0.1.3
>      deny ip any host 224.0.1.24 (116083 matches)
>      deny ip any host 224.0.1.22 (89860 matches)
>      deny ip any host 224.0.1.2 (703864 matches)
>      deny ip any host 224.0.1.35 (16909 matches)
>      deny ip any host 224.0.1.60 (169589 matches)
>      deny ip any host 224.0.1.39
>      deny ip any host 224.0.1.40
>      deny ip any 239.0.0.0 0.255.255.255 (31241 matches)
>
> There's also a group used by Norton Ghost that I should be filtering, but I
> don't remember what it is.
>
> >Thanks,
> >-Roy
>
> ===
> Bill Nickless    http://www.mcs.anl.gov/people/nickless      +1 630 252 7390
> PGP:0E 0F 16 80 C5 B1 69 52 E1 44 1A A5 0E 1B 74 F7     
> 

--
                                 Regards
                                 Marshall Eubanks



T.M. Eubanks
Multicast Technologies, Inc
10301 Democracy Lane, Suite 410
Fairfax, Virginia 22030
Phone : 703-293-9624
Fax     : 703-293-9609
e-mail : 

     


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