From: Ion ROSU (ionr@INTRAROM.RO)
Date: Mon Sep 17 2007 - 06:08:41 ART
Hi guys,
I have the same problem and for a few days I have tried to find the
answer to it reading and reading and reading, and practice, off course
...
1. Jeff, your configuration works but what are you doing with this
loopback 100? You are allowed to add a new loopback to the exam? If yes,
you must ask the proctor for the IP or you can choosed like you want.
2. Regarding using the static-rp on the router with the highest IP how
the "no static-rp allowed" request is handled? You will not loose the
points?
Thanks,
Ioan
PS: I am not so confortable with multicast and if I am wrong any
corrections is Wellcome.
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Ben
Sent: Tuesday, September 11, 2007 9:22 AM
To: Jeff Koh
Cc: Salau, Yemi; El Ayachi, Hadek (NSN - MA/Rabat);
ccielab@groupstudy.com
Subject: Re: Multicast - Backup
Jeff,
Don't forget to advertise the new loopback100 subnet into your IGP.
Ben
On 9/11/07, Jeff Koh <jkoh.tt@hotmail.com> wrote:
>
> thanks guys.
> so it will be as follow:
>
> R1 (Loopback 100 : 100.100.100.100), R3 (Loopback0: 3.3.3.3)
>
> ip pim sparse mode
> ip pim autorp-listener
> ip pim send-rp-announce loopback100 scope 16 group-list 16
> ip pim send-rp-discovery loopback0 scope 16
>
> thanks!!
>
> cheers,
>
>
>
> > Subject: RE: Multicast - Backup> Date: Mon, 10 Sep 2007 12:51:31
+0100>
> From: yemi.salau@siemens.com> To: hadek.el-ayachi@nsn.com;
> ccielab@groupstudy.com> > I agree with you mate, just responded to
Dan's
> comment ... "Can not be> done using auto-rp, you will need to use
BSR."> >
> Moreover, Jeff said no static-rp, so the only option will be one that>
can
> push out the rp information to pim devices "automatically", Auto-rp>
and BSR
> will usually fit the bill, but if you don't want to fiddle with> IP
Address
> (when there is no higher address on R1 and you're not allowed> to
configure
> a new one, and there is no restriction on using static-rp,> then
obviously,
> you've got your alternative of combining static-rp with> auto-rp)> >
Many
> Thanks> > Yemi Salau> > -----Original Message-----> From:
> nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of>
> hadek.el-ayachi@nsn.com> Sent: Monday, September 10, 2007 12:30 PM>
To:
> ccielab@groupstudy.com> Subject: RE: Multicast - Backup> !
> > I Think the only way to answer these requirements is to use pim>
> listener and make the pim source address of R1 bigger than R3 IP pim>
source
> address.> > > -----Original Message-----> From:
nobody@groupstudy.com[mailto:
> nobody@groupstudy.com] On Behalf Of> ext Salau, Yemi> Sent: lundi 10
> septembre 2007 09:20> To: Dan C; Carlos Trujillo Jimenez> Cc:
> joe@affirmedsystems.com; jkoh.tt@hotmail.com; ccielab@groupstudy.com>
> Subject: RE: Multicast - Backup> > Hello Dan,> > Why can't Backup Rp
be done
> with auto-rp? Without modifying the IP> Address of both RPs, I don't
think
> BSR is the only way to go, also I> would be surprised if asked to
configure
> BSR in a Cisco environment,> from the way things are going, Cisco is
pushing
> the Auto-rp> implementation into the market more and more.> > Remember
when
> a PIM device receive 2 entries of RP information for same> group, it
sticks
> (prefers) with the one from auto-rp over static-rp> information.> > So
in
> case you have R1 and R2 with loopb!
> ack Ips of 1.1.1.1 and 2.2.2.2> respectively, if I want to mak!
> e R1 the
>
> RP, I could do with a combination> of static and auto-rp without
> reconfiguring R1's IP> > I would simply advertise R1 as RP for group X
via
> auto-rp and advertise> R2 as RP for same group X via static-rp ....
That
> way, pim routers will> always prefer R1 over R2 even though R1 has a
lower
> IP address.... So if> the R1 is unreachable, they then switch to R2> >
Many
> Thanks> > Yemi Salau> > -----Original Message-----> From:
> nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of> Dan
C>
> Sent: Monday, September 10, 2007 7:09 AM> To: Carlos Trujillo Jimenez>
Cc:
> joe@affirmedsystems.com; jkoh.tt@hotmail.com; ccielab@groupstudy.com>
> Subject: Re: Multicast - Backup> > Hi Carlos,> > Can not be done using
> auto-rp, you will need to use BSR.> > Cheers,> Dan> > On 9/10/07,
Carlos
> Trujillo Jimenez <nergal888@hotmail.com> wrote:> >> > Joe.> > from the
> example above, is there a way to manually force the router> > 1.1.1.1>
>
> (lowest ip address) to be the active RP withouth modifyng i!
> p> addressing in> > both routers??> >> >> >> > >From: "Joseph Brunner"
<
> joe@affirmedsystems.com>> >> > >X-OriginalArrivalTime: 10 Sep 2007
05:41:
> 23.0527 (UTC) > > >FILETIME=[38EB2D70:01C7F36D]> > >> > >Easy,
Beavis...>
> > >> > >You didn't say we can't use AUTO RP...> > >> > >Ip pim autorp
> listener (read up on this command)> > >> > >Auto-rp mapping agent uses
> highest IP's to decide winner.> > >> > >3.3.3.3 beats 1.1.1.1. when
> 3.3.3.3 is gone, 1.1.1.1 will be rp.> > >> > >-J> > >> >
>-----Original
> Message-----> > >From: nobody@groupstudy.com
[mailto:nobody@groupstudy.com]
> On Behalf> Of> > >Jeff> > >Koh> > >Sent: Sunday, September 09, 2007
11:58
> PM> > >To: ccielab@groupstudy.com> > >Subject: Multicast - Backup> >
>> >
> >Hi Guys,> > >> > >How do we come up with the following scenario?> >
>> > >-
> Use PIM Sparse mode only.> > >- R3 (loopback: 3.3.3.3) backup of R1
> (loopback:1.1.1.1)> > >- No static RP.> > >- No BSR.> > >> > >How do
we
> set up a redundant RP base on the above require!
> ment?> > >> > >thanks!> > >> > >cheers,> > >__________________!
> ________
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