Re: Multicast Boundary

From: Narbik Kocharians <narbikk_at_gmail.com>
Date: Tue, 4 May 2010 10:46:27 -0700

You can do "Show ip pim rp-mapping" before applying the "IP multicast
boundary" command and then wait for the timers to expire and then, do
another "Show ip pim rp-mapping", you should NOT see the mapping.

On Tue, May 4, 2010 at 9:34 AM, Muzammil Malick <malickmuz_at_gmail.com> wrote:

> Thanks, what I was actually looking for was a command that shows the group
> being filtered, my question wasn't very good.
>
> I can see that the group traffic for my filtered group has stopped since I
> used the boundary command but I was hoping for a command
> that shows the group being filtered. e.g. when using ip multicast
> ttl-threshold, if we use debug ip mpacket we see a message saying:
>
>
> *May 4 17:32:13.778: IP(0): s=150.1.4.4 (Serial1/0.1) d=224.0.1.39
> id=7107,
> ttl=14, prot=17, len=52(48), threshold denied
>
> Is there something similar or multicast boundary? or do we just rely on the
> fact that the group is no longer shown in debug ip mpacket.
>
> Thanks
>
>
> On 4 May 2010 16:46, Robert Simmons <robxx5_at_gmail.com> wrote:
>
> > Make sure you disable fast switching at the interface level (no ip
> > mroute-cache). Multicast traffic is fast switched.
> > On May 4, 2010, at 11:39 AM, Joe Astorino wrote:
> >
> > > debug ip mpacket and pray you don't see things you have filtered : )
> > >
> > > On Tue, May 4, 2010 at 10:56 AM, Muzammil Malick <malickmuz_at_gmail.com>
> > wrote:
> > >> Hi All
> > >>
> > >> Is there a debug command that can be used to verify the effects of
> using
> > "ip
> > >> multicast boundary"?
> > >>
> > >> Thanks
> > >>
> > >>
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> > > --
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> > >
> > >
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-- 
Narbik Kocharians
CCSI#30832, CCIE# 12410 (R&S, SP, Security)
www.MicronicsTraining.com
Sr. Technical Instructor
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Received on Tue May 04 2010 - 10:46:27 ART

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