Re: Multicast Issue!

What is the output of "show ip pim rp map" on all the routers ?

On Fri, Apr 17, 2009 at 10:38 AM, Ravi Singh <way2ccie_at_googlemail.com>wrote:

> Is the RP address reachable from all the routers and have you
> configured sparse-mode on the interface which is the RP ip address i.e
> 150.1.1.1 ? What does a show ip mroute or a debug on R1 say ?
>
> Regards,
> Ravi
>
> On Fri, Apr 17, 2009 at 5:41 AM, mike jones <ccie1q2008_at_hotmail.com>
> wrote:
> > Yes! I have R1 As the RP! ip pim rp address 150.1.1.1 on all routers
> >
> > Date: Thu, 16 Apr 2009 22:34:06 -0600
> > Subject: Re: Multicast Issue!
> > From: bbartik_at_ipexpert.com
> > To: ccie1q2008_at_hotmail.com
> > CC: ccielab_at_groupstudy.com
> >
> > Did you configure the RP?
> >
> > On Thu, Apr 16, 2009 at 10:31 PM, mike jones <ccie1q2008_at_hotmail.com>
> wrote:
> >
> >
> >
> >
> >
> >
> > Bryan,
> > I changed from dense to sparse-mode with pim nbma-mode on the hub
> (R1),
> > and R2 is still unable to ping 224.25.25.25.
> >
> >
> > Mike
> >
> >> Date: Thu, 16 Apr 2009 22:08:02 -0600
> >> Subject: Re: Multicast Issue!
> >
> >> From: bbartik_at_ipexpert.com
> >> To: ccie1q2008_at_hotmail.com
> >> CC: ccielab_at_groupstudy.com
> >
> >>
> >> Mike,
> >>
> >> The router will not send a multicast packet out of the same interface on
> >> which it was received. If you use sparse-mode you can use pim nbma-mode
> >
> >> which allows the outgoing interface list to be populated by neighbor.
> You
> >> can also use p2p subinterfaces or some type of tunneling. Also, remember
> >> static mroutes will not populate the OIL, they only help in RPF checks.
> >
> >>
> >>
> >> Bryan Bartik
> >> CCIE #23707, CCNP
> >> Sr. Support Engineer - IPexpert, Inc.
> >> URL: http://www.IPexpert.com <http://www.ipexpert.com/>
> >>
> >> On Thu, Apr 16, 2009 at 9:43 PM, mike jones <ccie1q2008_at_hotmail.com>
> wrote:
> >
> >>
> >> > Group,
> >> > I have the following lab layer out:
> >> >
> >> >
> >> > Major network 157.1.0.0
> >> >
> >> >
> >> > R1 (hub)
> >> > 123.1 / \
> >
> >> > / \
> >> > / \
> >> > .2 / FR \ .3 FastE
> >> > R2 R3---------R5
> >> > .35.3 .35.5
> >
> >> >
> >> >
> >> > I am using Phy. interfaces on the Fr connection (I'm sending traffic
> for
> >> > the
> >> > spokes out the same dlci as for the HUB.)
> >> >
> >> > Ex. of R2 configure:
> >
> >> >
> >> > frame-relay map ip 157.1.123.1 201 bro
> >> > frame-relay map ip 157.1.123.3 201
> >> >
> >> >
> >> > EIGRP is the IGP, and I have Split-horizon disabled on R1. I'm also
> >
> >> > running
> >> > Dense mode on the the links, and i joined R5 to group 224.25.25.25.
> >> >
> >> >
> >> > So fairly sample set up, but I can't ping 224.25.25.25 from R2. And
> > debug
> >> > on
> >
> >> > R1 with ping from R2 shows:
> >> >
> >> > s=157.1.123.2 d=224.25.25.25, mroute olist null
> >> >
> >> > I know the above debug outout mean that the packet is begin drop due
> to
> > no
> >> > outgoing interface was founded. I tried added static mroutes, but
> that
> >
> >> > did
> >> > not work. I got it to work when I configred R1 with two sub-p-to-p
> >> > interfaces, but why is it not working with Phy interfaces on R1.
> >> >
> >> >
> >> >
> >> > Thanks!
> >
> >> >
> >> >
> >> > Mike
> >> >
> >> > _________________________________________________________________
> >> > Windows Live : Keep your life in sync.
> >> >
> http://windowslive.com/explore?ocid=TXT_TAGLM_WL_allup_1a_explore_042009
> >
> >> >
> >> >
> >> > Blogs and organic groups at http://www.ccie.net
> >> >
> >> >
> _______________________________________________________________________
> >
> >> > Subscription information may be found at:
> >> > http://www.groupstudy.com/list/CCIELab.html
> >> >
> >> >
> >> >
> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >>
> >>
> >> --
> >>
> >>
> >> Blogs and organic groups at http://www.ccie.net
> >>
> >
> >> _______________________________________________________________________
> >> Subscription information may be found at:
> >> http://www.groupstudy.com/list/CCIELab.html
> >
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >
> > Rediscover Hotmail.: Now available on your iPhone or BlackBerry Check it
> out.
> >
> >
> >
> > --
> > Bryan Bartik
> > CCIE #23707, CCNP
> > Sr. Support Engineer - IPexpert, Inc.
> > URL: http://www.IPexpert.com <http://www.ipexpert.com/>
> >
> > _________________________________________________________________
> > Windows Live : Life without walls.
> > http://windowslive.com/explore?ocid=TXT_TAGLM_WL_allup_1b_explore_042009
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Fri Apr 17 2009 - 11:42:00 ART