Re: PIM BiDir Problem

Do you have

ip igmp join-group 238.10.10.10 and ip pim sparse-mode on the interface you
 are expecting to answer the ping

On Wed, Jun 9, 2010 at 6:03 PM, Tom Kacprzynski <tom.kac_at_gmail.com> wrote:

> Joe,
> SW4 was the DR, changed it to SW2 but still no luck, pings are still timing
> out.
>
> SW4#sh ip pim int
>
> Address Interface Ver/ Nbr Query DR DR
> Mode Count Intvl Prior
> 150.1.10.10 Loopback0 v2/S 0 30 1
> 150.1.10.10
> *155.1.108.10 Port-channel1 v2/S 1 30 1
> 155.1.108.8*
> 155.1.10.10 Vlan10 v2/S 0 30 1
> 155.1.10.10
>
>
>
>
>
> On Wed, Jun 9, 2010 at 5:49 PM, Joe Astorino <joe_astorino_at_comcast.net
> >wrote:
>
> > Try making sure that SW4 is NOT the DR on the SW2/SW4 segment and try
> > again. I have seen some interesting things happen that way.
> >
> > Regards,
> > Joe Astorino, CCIE #24347
> >
> > "He not busy being born is busy dying" -- Dylan
> >
> >
> > ----- Original Message -----
> > From: "Tom Kacprzynski" <tom.kac_at_gmail.com>
> > To: ccielab_at_groupstudy.com
> > Sent: Wednesday, June 9, 2010 6:43:15 PM GMT -05:00 US/Canada Eastern
> > Subject: PIM BiDir Problem
> >
> > Hello,
> > I'm working on a PIM bidirectional lab and looks like i'm stuck :( I hope
> > some here can help me out.
> >
> > The shared tree looks pretty good but no traffic response from pings.
> Here
> > are the details
> >
> > R5 (RP) (Source) ---> SW2 -------------> SW4 ---| (238.10.10.10 receiver)
> > Gi0/0 |----| Vlan58, Po1|-------|Po1 , Vlan10
> >
> >
> > The mroute tables:
> >
> > This is the RP and source
> > R5#sh ip mroute 238.10.10.10 | b \(
> > (*, 238.10.10.10), 00:06:45/00:02:30, RP *150.1.5.5*, flags: B
> > Bidir-Upstream: Null, RPF nbr 0.0.0.0
> > Outgoing interface list:
> > *GigabitEthernet0/0*, Forward/Sparse, 00:05:59/00:02:30
> >
> > This is the intermediate router.
> > SW2#sh ip mroute 238.10.10.10 | b \(
> > (*, 238.10.10.10), 00:07:03/00:03:23, RP 150.1.5.5, flags: B
> > Bidir-Upstream: Vlan58, RPF nbr 155.1.58.5
> > Outgoing interface list:
> > Port-channel1, Forward/Sparse, 00:07:03/00:03:23
> > Vlan58, *Bidir-Upstream*/Sparse, 00:07:03/00:00:00
> >
> > The receiver.
> > SW4#sh ip mroute 238.10.10.10 | b \(
> > (*, 238.10.10.10), 00:07:03/00:02:51, RP 150.1.5.5, flags: BCL
> > Bidir-Upstream: Port-channel1, RPF nbr 155.1.108.8
> > Outgoing interface list:
> > Vlan10, Forward/Sparse, 00:07:03/00:02:51
> > Port-channel1,* Bidir-Upstream*/Sparse, 00:07:03/00:00:00
> >
> > *This is what I've tried so far:*
> > 1. Verified all devices have bootstrap mappings and the group is set for
> > bidirectional mode.
> > 2. "debug ip mpacket 238.10.10.10" on SW2 and SW4. RESULT: I see packets
> > destined to the correct group leaving R5 (the source) SW2 gets them. SW4
> on
> > the other hand never gets these packets in the debugs ( I disabled
> > mroute-cache on all interface just to be sure).
> > 3. check to make sure all of them are ip pim neighbors running
> > sparse/bidirectional mode.
> > 4. Reloaded all devices.
> >
> >
> > I'm really out of ideas, if anyone has any suggestions please help.
> >
> > Thank you.
> >
> >
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> >
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Received on Wed Jun 09 2010 - 18:14:57 ART