Re: access-group Vs multicast boundary in this case

From: Nadeem Ansari (nadeem.ansari574@gmail.com)
Date: Sat Feb 21 2009 - 04:06:07 ARST


HI Buddies,

Whu dont we apply both filters to achieve two levels of filtering
Regards
Nadeem

On 2/21/09, NET HE <he_net@hotmail.com> wrote:
>
> Hobs,
>
>
>
> I checked the command reference, "IP multicast boundary out " filtering PIM
> joins and IGMP reports.
>
>
>
> So I think if the first solution added with a keyword "out" should be good
> as
> well.
>
> Best Regards,
> Net (Xin) He
>
>
>
>
> > Date: Fri, 20 Feb 2009 08:52:39 -0700
> > Subject: Re: access-group Vs multicast boundary in this case
> > From: deadheadblues@gmail.com
> > To: gauravmadan1177@gmail.com
> > CC: ccielab@groupstudy.com
> >
> > Gaurav,
> > IGMP solution looks right. Remember hosts use IGMP to join groups. I
> believe
> > multicast boundary is used to filter PIM joins from routers (as opposed
> to
> > IGMP reports from hosts).
> >
> > On Fri, Feb 20, 2009 at 8:03 AM, GAURAV MADAN
> <gauravmadan1177@gmail.com>wrote:
> >
> > > Hi All
> > >
> > > I have a case which says :
> > >
> > >
> > > R4
> > > | f0/0
> > > |
> > > CLIENTS
> > >
> > > These clients shd only recieve feeds for groups 225.25.25.25 and
> > > 226.26.26.26
> > >
> > > I answered :
> > >
> > > Rack1R4(config-if)#do sh ip access-li
> > > Standard IP access list 17
> > > 10 permit 225.25.25.25
> > > 20 permit 226.26.26.26
> > >
> > > int f0/0
> > > ip multicast boundary 17
> > > !
> > >
> > >
> > > 2nd solution
> > > ---------------------
> > > Let these clients join these 2 grps only
> > >
> > > int f0/0
> > > ip igmp access-grp 17
> > > !
> > >
> > > Let me know if and why sol 1 is wrong ?
> > >
> > > Gaurav Madan
> > >
> > >
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