[c-nsp] multicast 3750X

selamat pagi ketimun at gmail.com
Tue Aug 13 02:38:17 EDT 2013


Intressting link, helps to understand PIM Stub :-)

Started off with IPBase on the CE and* ip pim passive on* the SVI.
For testing purpose I upgraded the CE to IPservices.  --> still the same
behaviour :-(

BTW: I use static rp and pim sparse.

many thanks, keti




On Mon, Aug 12, 2013 at 11:03 PM, Christopher Pole <cspole at gmail.com> wrote:

> Are you running IPBase on your CE by any chance? PIM sparse-dense mode need
> at least IPServices on a 3x50 if I remember correctly (the switch will take
> the commands but you'll see no multicast traffic). There is a work around
> using PIM stub and manually announcing a bsr & rp candidate (
> https://supportforums.cisco.com/thread/2153703) which I had to use
> recently.
>
> Chris
> cspole at gmail.com
>
>
> On Tue, Aug 13, 2013 at 12:12 AM, selamat pagi <ketimun at gmail.com> wrote:
>
> > Here is part of my LAB-setup:
> >
> > PE              (RP lo 0)
> >  vrf RED   (ip igmp join-group 239.5.5.5)
> >  ¦
> >  ¦   PIM
> >  ¦
> >  CE      (SVI / PIM SM (ip igmp join-group 239.6.6.6)
> >  ¦
> >  ¦   IGMP
> >  ¦
> >  Receiver      (ip igmp join-group 239.8.8.8)
> >
> > --------------------------------------------
> > PE5           6500 151-1.SY1
> > CE   3750X             150-2.SE2
> > Receiver      3750X             150-2.SE2
> > --------------------------------------------
> > The issue is:
> > Receiver can reach 239.6.6.6 and 239.5.5.5
> > PE or CE cannot reach 239.8.8.8
> >
> > Changing CE and receiver from 3750X to 6500,  MC-ping works from all 3
> > devices to any MC-group.
> >
> > PE:
> > (*, 239.8.8.8), 02:43:40/00:02:45, RP 5.5.5.5, flags: S
> >   Incoming interface: Null, RPF nbr 0.0.0.0
> >   Outgoing interface list:
> >     TenGigabitEthernet2/5, Forward/Sparse, 02:39:09/00:02:45
> >
> > (5.5.5.5, 239.8.8.8), 00:14:15/00:02:57, flags: T
> >   Incoming interface: Loopback0, RPF nbr 0.0.0.0
> >   Outgoing interface list:
> >     TenGigabitEthernet2/5, Forward/Sparse, 00:14:15/00:02:45
> >
> >
> > Debug on CE does not show any output. (deb ip icmp)
> >
> > Is there any 3750X specific command I need to enable ?
> >
> > Any idea or troubleshooting advice is greatly appreciated.
> >
> > many thanks, keti
> > _______________________________________________
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> >
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