Re: RE: /128 mcast group in IPv6 multicast

Ok...so now we have a problem how to limit the RP to one group...

Is there nobody here who can find a solution ?...:-(
-------- Original-Nachricht --------
> Datum: Sat, 20 Feb 2010 13:12:27 -0000
> Von: "Gavin Schokman" <g_schokman_at_yahoo.com.au>
> An: "\'Jeffrey Pazahanick\'" <jeffpaz_at_gmail.com>, "\'Gavin Schokman\'" <Gavin.Schokman_at_nscglobal.com>
> CC: ccielab_at_groupstudy.com
> Betreff: RE: /128 mcast group in IPv6 multicast

> Hi Jeffrey,
>
> Unless things are different in IPv6 mcast, the ACL you've specified allows
> sets FE45:1:2:3::5 to be the RP for any mcast group.
>
> The ACL should be thought of as (S,G), i.e. the source part of the ACL
> specifies the allowed mcast Sources and the destination part of the ACL
> specifies the allowed mcast Groups.
> (If my understanding here is wrong, please correct me!)
>
> The functionality that doesn't work is I'm trying to set the destination
> part of the ACL as a host, not the source part.
>
> Cheers,
> Gavin
>
>
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> Jeffrey Pazahanick
> Sent: 19 February 2010 21:25
> To: Gavin Schokman
> Cc: Gavin Schokman; ccielab_at_groupstudy.com
> Subject: Re: /128 mcast group in IPv6 multicast
>
> Gavin,
> This works for me...
>
> ipv6 pim rp-address FE45:1:2:3::5 TST
> !
> !
> !
> !
> ipv6 access-list TST
> permit ipv6 host FE90:1:1:1::1 any
> !
>
>
> On Fri, Feb 19, 2010 at 4:29 AM, Gavin Schokman
> <Gavin.Schokman_at_nscglobal.com> wrote:
> > So no-one able to answer this one?
> >
> > Cheers,
> > Gavin
> >
> >
> > -----Original Message-----
> > From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf
> > Of Gavin Schokman
> > Sent: 18 February 2010 11:58
> > To: ccie_ka_at_gmx.de; Gavin Schokman; ccielab_at_groupstudy.com
> > Subject: RE: /128 mcast group in IPv6 multicast
> >
> > Unfortunately, "ipv6 mld access-group" will only filter out incoming
> > MLD messages, not configure the router to act as an RP for the single
> > group
> > - which is what my question is.
> >
> > This one is curly... There doesn't seem to be any references on the
> > internet regarding configuring RP for a single mcast group.
> >
> > Kind regards,
> > Gavin
> >
> >
> >
> >
> >
> > -----Original Message-----
> > From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf
> > Of ccie_ka_at_gmx.de
> > Sent: 18 February 2010 06:33
> > To: Gavin Schokman; ccielab_at_groupstudy.com
> > Subject: Re: /128 mcast group in IPv6 multicast
> >
> > hi,
> >
> > you can configure it on the interface of the RP
> >
> > Assume the RP is Rx :
> > interface fa0/1
> > ipv6 mld access-group ACL-for-IPv6
> >
> > ipv6 access-list ACL-for-IPv6
> > permit ipv6 any host x::x:x
> >
> > Dennis
> > -------- Original-Nachricht --------
> >> Datum: Thu, 18 Feb 2010 00:52:17 -0000
> >> Von: "Gavin Schokman" <g_schokman_at_yahoo.com.au>
> >> An: ccielab_at_groupstudy.com
> >> Betreff: /128 mcast group in IPv6 multicast
> >
> >> Hi GS'ers,
> >>
> >> Been having some trouble with IPv6 multicast and can't seem to find
> >> the answer anywhere.
> >>
> >> How does one configure a router to be RP for a single mcast group,
> >> i.e. a /128?
> >>
> >> I've tried static-rp & BSR, but I get errors and it doesn't work
> >>
> >> ### using static-RP
> >>
> >> RSRack8R5(config)# ipv6 access-list RP-LIST
> >> RSRack8R5(config-ipv6-acl)# permit any host FF05:1:1:1::1
> >>
> >> RSRack8R5(config)# ipv6 pim rp-address 2001:150:8:5::5 RP-LIST
> >> %Error: Group prefix must be less than 128, skipping
> >> FF05:1:1:1::1/128
> >>
> >> ! by entering the command again, the IOS will not report an error,
> >> however the group is silently ignored (witnessed by the group not
> >> being shown in "show ipv6 pim groups")
> >>
> >>
> >> ### using BSR
> >>
> >> ! same ACL definition for RP-LIST
> >>
> >> ! add "debug ipv6 pim bsr"
> >>
> >> RSRack8R5(config)# ipv6 pim bsr candidate rp 2001:150:8:5::5
> >> group-list RP-LIST *Mar 1 03:39:54.959: IPv6 BSR: Building C-RP Adv
> >> for 2001:150:8:5::5, priority 192, holdtime 150 *Mar 1 03:39:54.963:
> >> IPv6 BSR: Ignoring invalid prefix FF05:1:1:1::1/128
> >> -
> >> Not added to C-RP Adv
> >>
> >>
> >> This one's got me heavily stuck, so any help will be greatly
> > appreciated.
> >>
> >> Cheers,
> >> Gavin
> >>
> >>
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