From: Anant Tamgole (anant.tamgole@gmail.com)
Date: Tue Aug 12 2008 - 03:58:17 ART
Sorry friends, I was away.
Below is the configuration.
Pre-conditions
--------------------
R1 is Hub and R2,R3 spokes.
No subinterfaces are to be used
OSPF type NBMA is to be used
PIM Join is on R3 e0/1
========================
R1 Serial1/0 config
-------------------
Rack02R1(config-if)#do sh run int s1/0
Building configuration...
Current configuration : 418 bytes
!
interface Serial1/0
ip address 2.2.123.1 255.255.255.0
ip pim nbma-mode
ip pim sparse-mode
encapsulation frame-relay
ip ospf priority 255
no ip mroute-cache
serial restart-delay 0
frame-relay map ip 2.2.123.2 102 broadcast
frame-relay map ip 2.2.123.3 103 broadcast
no frame-relay inverse-arp
end
R1 Lo0 config
-------------
Rack02R1(config-if)#do sh run int lo0
Building configuration...
Current configuration : 83 bytes
!
interface Loopback0
ip address 2.2.1.1 255.255.255.255
ip pim sparse-mode
end
RP Config on R1
---------------
Rack02R1#sh run | i rp
ip pim send-rp-announce Loopback0 scope 10 interval 10
ip pim send-rp-discovery Loopback0 scope 10 interval 10
R1 OSPF Config
-----------------------
Rack02R1(config-if)#do sh run | b r o
router ospf 1
router-id 2.2.1.1
log-adjacency-changes
network 2.2.0.0 0.0.255.255 area 0
neighbor 2.2.123.2
neighbor 2.2.123.3
===========================================
R2 config
Serial 1/0
-------------
Rack02R2(config-if)#do sh run int s1/0
Building configuration...
Current configuration : 342 bytes
!
interface Serial1/0
ip address 2.2.123.2 255.255.255.0
ip pim sparse-mode
encapsulation frame-relay
ip ospf priority 0
serial restart-delay 0
frame-relay map ip 2.2.123.1 201 broadcast
frame-relay map ip 2.2.123.3 201 broadcast
no frame-relay inverse-arp
end
R2 OSPF config
---------------
Rack02R2(config-if)#do sh run | b r o
router ospf 1
router-id 2.2.2.2
log-adjacency-changes
network 2.2.0.0 0.0.255.255 area 0
=========================================
R3 Config
Serial 1/0 config
------------------
Rack02R3(config-if)#do sh run int s1/0
Building configuration...
Current configuration : 346 bytes
!
interface Serial1/0
ip address 2.2.123.3 255.255.255.0
ip pim sparse-mode
encapsulation frame-relay
ip ospf priority 0
serial restart-delay 0
frame-relay map ip 2.2.123.2 301 broadcast
frame-relay map ip 2.2.123.1 301 broadcast
no frame-relay inverse-arp
end
R3's PIM Join config
--------------------
Rack02R3(config-if)#do sh run int e0/1
Building configuration...
Current configuration : 128 bytes
!
interface Ethernet0/1
ip address 150.2.2.1 255.255.255.0
ip pim sparse-mode
ip igmp join-group 224.2.2.2
full-duplex
end
R3;s OSPF Config
-----------------
Rack02R3(config-if)#do sh run | b r o
router ospf 1
router-id 2.2.3.3
log-adjacency-changes
network 2.2.0.0 0.0.255.255 area 0
network 150.2.2.1 0.0.0.0 area 0
!
==================================
Anant
On Sun, Aug 10, 2008 at 12:57 AM, darth router <darklordrouter@gmail.com>wrote:
> Post your configurations, and it will be easy for us to troubleshoot it.
>
>
> On Fri, Aug 8, 2008 at 3:48 PM, Anant Tamgole <anant.tamgole@gmail.com>wrote:
>
>> Also, I have RP mappings in both spokes (without auto-listener commnad on
>> R1).
>>
>> Anant
>>
>> On Sat, Aug 9, 2008 at 5:12 AM, Anant Tamgole <anant.tamgole@gmail.com
>> >wrote:
>>
>> > No.
>> > R1,2 and 3 are in area 0.
>> > On R1, the OIL NULL message comes when we we do debug ip mpacket and
>> other
>> > drops count increases in sh ip mroute count.
>> >
>> > Anant
>> >
>> >
>> > On Fri, Aug 8, 2008 at 10:14 PM, Igor Manassypov <
>> imanassypov@rogers.com
>> > > wrote:
>> >
>> >> Are there any other routers involved in ospf? You might be getting some
>> >> route feedback which violates your rpf check
>> >>
>> >>
>> >> *Anant Tamgole <anant.tamgole@gmail.com>* wrote:
>> >>
>> >> Hi,
>> >>
>> >> I have a scenario where
>> >> 1. R1 is hub and R2,R3 spokes.
>> >> 2. OSPF is running on main interfaces as NBMA mode.
>> >> 3. AutoRP is running on Hub R1.
>> >> 4. igmp join for 224.1.1.1 is on R3's ethernet.
>> >>
>> >> Problem: Not able to ping 224.1.1 from R1. If I give reapeat count 10,
>> >> first
>> >> ping succeeds but then it stops,
>> >> From R1 to R3 ping is ok.
>> >>
>> >> I tried with ip pim nbma mode on Hub and ip pim spt-threshold infinity
>> on
>> >> R3
>> >> , It does not help.
>> >>
>> >>
>> >>
>> >> Anant
>> >>
>> >>
>> >> Blogs and organic groups at http://www.ccie.net
>> >>
>> >> _______________________________________________________________________
>> >> Subscription information may be found at:
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>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> Igor M., M.Eng, P.Eng
>> >> Network Architect
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
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