When running a ping from BB3 to 226.1.1.1 I receive the following messages on 
R5:

*Mar  1 02:57:52.719: IP(0): s=150.100.255.254 (FastEthernet0/1) d=226.1.1.1 
id=41, ttl=254, prot=1, len=114(100), RPF lookup failed for source or RP
*Mar  1 02:57:54.719: IP(0): s=150.100.255.254 (FastEthernet0/1) d=226.1.1.1 
id=42, ttl=254, prot=1, len=114(100), RPF lookup failed for source or RP
*Mar  1 02:57:56.719: IP(0): s=150.100.255.254 (FastEthernet0/1) d=226.1.1.1 
id=43, ttl=254, prot=1, len=114(100), RPF lookup failed for source or RP
*Mar  1 02:57:58.707: IP(0): s=150.100.255.254 (FastEthernet0/1) d=226.1.1.1 
id=44, ttl=254, prot=1, len=114(100), RPF lookup failed for source or RP
*Mar  1 02:58:00.703: IP(0): s=150.100.255.254 (FastEthernet0/1) d=226.1.1.1 
id=45, ttl=254, prot=1, len=114(100), RPF lookup failed for source or RP
*Mar  1 02:58:02.683: IP(0): s=150.100.255.254 (FastEthernet0/1) d=226.1.1.1 
id=46, ttl=254, prot=1, len=114(100), RPF lookup failed for source or RP

I'm running PIM debugging, MSDP detail debugging & Debug ip mpacket (turned off 
mroute-cache on all pim enabled interfaces)


On Apr 1, 2010, at 12:17 PM, Joe Astorino wrote:

> Sorry Rob, I overlooked the fact that you were configuring the default
> peer.  Where is the message you are getting coming from?  A debug or ?
> 
> On Thu, Apr 1, 2010 at 12:02 PM, Robert Simmons <[email protected]> wrote:
>> Well what is the purpose of the msdp default peer command?
>> On Apr 1, 2010, at 11:51 AM, Joe Astorino wrote:
>> 
>>> That is what the mcast address family was designed to do : )
>>> 
>>> 
>>> Sent from my Verizon Wireless BlackBerry
>>> 
>>> Regards,
>>> 
>>> Joe Astorino - CCIE #24347
>>> Sr. Technical Instructor - IPexpert
>>> Mailto: [email protected]
>>> Telephone: +1.810.326.1444
>>> Live Assistance, Please visit: www.ipexpert.com/chat
>>> eFax: +1.810.454.0130
>>> 
>>> IPexpert is a premier provider of Self-Study Workbooks, Video on Demand, 
>>> Audio Tools, Online Hardware Rental and Classroom Training for the Cisco 
>>> CCIE (R&S, Voice, Security & Service Provider) certification(s) with 
>>> training locations throughout the United States, Europe, South Asia and 
>>> Australia. Be sure to visit our online communities at 
>>> www.ipexpert.com/communities and our public website at www.ipexpert.com
>>> 
>>> -----Original Message-----
>>> From: Robert Simmons <[email protected]>
>>> Date: Thu, 1 Apr 2010 11:49:55
>>> To: <[email protected]>
>>> Subject: [OSL | CCIE_RS] Multicast Interdomain Routing
>>> 
>>> Experts,
>>> 
>>> I'm playing around with some different multicast scenarios and I thought it 
>>> was possible to make MCast Interdomain Routing without using mBGP between 
>>> the MSDP Peers.
>>> 
>>> Here's what I have:
>>> 
>>> Cat2---Cat4---R5---BB3
>>> 
>>> Full reachability exist between all routers.
>>> 
>>> Domain 1 (Cat2 & Cat4)
>>> - pim sparse on all relevant interfaces
>>> - Cat4 is bsr-candidate and rp-candidate for group 226.0.0.0/8
>>> - Cat2 loopback0 has ip igmp-join for 226.1.1.1
>>> - Both routers able to ping 226.1.1.1
>>> - bsr-border is configured on the link between Cat4 & R5
>>> - msdp peer & default peer command is configured for loopback IP address of 
>>> R5
>>> 
>>> Domain 2 (R5 & BB3)
>>> - pim sparse on all relevant interfaces
>>> - R5 is bsr-candidate and rp-candidate for group 225.0.0.0/8
>>> - BB3 loopback0 has ip igmp-join for 225.1.1.1
>>> - Both routers able to ping 225.1.1.1
>>> - bsr-border is configured on the link between R5 & Cat4
>>> -msdp peer & default peer command is configured for the loopback IP address 
>>> of Cat4
>>> 
>>> 
>>> When I try to ping any of the groups from the other Domain I get the 
>>> following message:
>>> 
>>> RPF lookup failed for source or RP
>>> 
>>> Is the only way to get around this is to configure mBGP between the RPs??
>>> 
>>> Thanks
>>> 
>>> -Rob
>>> _______________________________________________
>>> For more information regarding industry leading CCIE Lab training, please 
>>> visit www.ipexpert.com
>> 
>> 
> 
> 
> 
> -- 
> Regards,
> 
> 
> 
> Joe Astorino - CCIE #24347
> Sr. Technical Instructor - IPexpert
> Mailto: [email protected]
> Telephone: +1.810.326.1444
> Live Assistance, Please visit: www.ipexpert.com/chat
> eFax: +1.810.454.0130
> 
> IPexpert is a premier provider of Self-Study Workbooks, Video on
> Demand, Audio Tools, Online Hardware Rental and Classroom Training for
> the Cisco CCIE (R&S, Voice, Security & Service Provider)
> certification(s) with training locations throughout the United States,
> Europe, South Asia and Australia. Be sure to visit our online
> communities at www.ipexpert.com/communities and our public website at
> www.ipexpert.com

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