RE: PIM BiDir Problem

Tom,

If you move the group to the RP does it work there. Try moving it around
and seeing if you can locate the source of the problem.

Regards,

Tyson Scott - CCIE #13513 R&S, Security, and SP

Managing Partner / Sr. Instructor - IPexpert, Inc.

Mailto: <mailto:tscott_at_ipexpert.com> tscott_at_ipexpert.com

From: Tom Kacprzynski [mailto:tom.kac_at_gmail.com]
Sent: Wednesday, June 09, 2010 9:30 PM
To: Tyson Scott
Cc: Hector Gonzalez; Joe Astorino; ccielab_at_groupstudy.com
Subject: Re: PIM BiDir Problem

hello,

R5#sh ip rpf 155.1.10.10
RPF information for ? (155.1.10.10)
  RPF interface: GigabitEthernet0/0
  RPF neighbor: ? (155.1.58.8)
  RPF route/mask: 155.1.10.0/24
  RPF type: unicast (eigrp 100)
  RPF recursion count: 0
  Doing distance-preferred lookups across tables

SW4#mtrace 155.1.10.10
Type escape sequence to abort.
Mtrace from 155.1.10.10 to 155.1.10.10 via RPF
From source (?) to destination (?)
Querying full reverse path...
 0 155.1.10.10
-1 155.1.10.10 PIM [155.1.10.0/24]
-2 155.1.10.10

Here is the mtrace to the RP address:
SW4#mtrace 150.1.5.5
Type escape sequence to abort.
Mtrace from 150.1.5.5 to 155.1.108.10 via RPF
From source (?) to destination (?)
Querying full reverse path...
 0 155.1.108.10
-1 155.1.108.10 PIM [150.1.5.0/24]
-2 155.1.108.8 PIM [150.1.5.0/24]
-3 155.1.58.5 PIM [150.1.5.0/24]
-4 150.1.5.5

On Wed, Jun 9, 2010 at 8:05 PM, Tyson Scott <tscott_at_ipexpert.com> wrote:

what is the output of show ip rpf 155.1.10.10
what is the result of mtrace 155.1.10.10 from SW4

Regards,
 
Tyson Scott - CCIE #13513 R&S, Security, and SP
Managing Partner / Sr. Instructor - IPexpert, Inc.
Mailto: tscott_at_ipexpert.com

-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of Tom
Kacprzynski
Sent: Wednesday, June 09, 2010 7:16 PM
To: Hector Gonzalez
Cc: Joe Astorino; ccielab_at_groupstudy.com
Subject: Re: PIM BiDir Problem

Yes,
This is what I have configured:

interface Vlan10
 ip address 155.1.10.10 255.255.255.0
 ip pim sparse-mode
 ip igmp join-group 238.1.1.1
 ip igmp join-group 238.10.10.10
 no ip mroute-cache

On Wed, Jun 9, 2010 at 6:14 PM, Hector Gonzalez
<hector.gonzalezf_at_gmail.com>wrote:

> 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.
>> >
>> >
>> > Blogs and organic groups at http://www.ccie.net
>> >
>> > _______________________________________________________________________
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>>
>>
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>>
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Received on Wed Jun 09 2010 - 21:47:27 ART