From: Edison Ortiz (edisonmortiz@gmail.com)
Date: Tue Feb 20 2007 - 13:43:17 ART
Please verify your frame-map output on R1.
----- Original Message -----
From: "Iamgoingtobeaccie Iamgoingtobeaccie"
<heyiamgoingtobeaccie@yahoo.co.in>
To: "Ivan" <ivan@iip.net>; <ccielab@groupstudy.com>
Sent: Tuesday, February 20, 2007 8:59 AM
Subject: Re: multicast trouble
> Hi Ivan,
> Extremely sorry about the confusion.But the group is
> 224.2.2.2.Its in the mroute table output in my email.
>
> thanks
>
> Ivan <ivan@iip.net> wrote: 224.0.0/24 - it is link-local addresses. PAcket
> with dst address from this
> pool has TTL = 1. Therefore you can't use it for buildig shortest or
> shared
> path tree.
> 224.0.0.1 - it address of all hosts on the lokal link.
>
> On Tuesday 20 February 2007 15:38, Iamgoingtobeaccie Iamgoingtobeaccie
> wrote:
>> Group,
>> I have an hub and spoke topology.
>>
>> R1-->hub
>> R2-& R3->spokes(R3 has no multicast config)
>>
>> I have configured pim sparse dense mode on all the interfaces..I have a
>> router R4 whose interface has the join-group command for 224.0.0.1.
>>
>> The problem when my ping packet is sourced from R2's loopback or
>> ethernet,I
>> am getting response but not when I source it from the serial.
>>
>> interface Loopback0
>> ip address 2.2.2.2 255.255.255.0
>> ip pim sparse-dense-mode
>> !
>> interface FastEthernet0/0
>> ip address 130.0.0.2 255.255.255.0
>> ip pim sparse-dense-mode
>> duplex auto
>> speed auto
>> !
>> interface Serial0/0
>> no ip address
>> encapsulation frame-relay
>> no frame-relay inverse-arp
>> !
>> interface Serial0/0.123 multipoint
>> ip address 172.16.1.2 255.255.255.0
>> ip pim sparse-dense-mode
>> ip ospf network point-to-point
>> ip ospf hello-interval 30
>> frame-relay map ip 172.16.1.1 201 broadcast
>>
>> !
>>
>>
>> R2
>> ******
>>
>>
>>
>> R1
>> ***
>>
>> interface Ethernet0/0
>> ip address 150.5.5.5 255.255.255.0
>> ip pim sparse-dense-mode
>>
>> half-duplex
>> !
>> interface Ethernet0/1
>> ip address 160.6.6.6 255.255.255.0
>> ip pim sparse-dense-mode
>> half-duplex
>> !
>> interface Serial1/0
>> no ip address
>> encapsulation frame-relay
>> no frame-relay inverse-arp
>> !
>> interface Serial1/0.345 multipoint
>> ip address 172,16,1,1 255.255.255.0
>> ip pim nbma-mode
>> ip pim sparse-dense-mode
>> ip ospf network point-to-multipoint
>> frame-relay map ip 1.1.11.3 304
>>
>>
>> R1#sh ip mroute
>> IP Multicast Routing Table
>> Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C -
>> Connected, L - Local, P - Pruned, R - RP-bit set, F - Register flag,
>> T - SPT-bit set, J - Join SPT, M - MSDP created entry,
>> X - Proxy Join Timer Running, A - Candidate for MSDP
>> Advertisement,
>> U - URD, I - Received Source Specific Host Report,
>> Z - Multicast Tunnel, z - MDT-data group sender,
>> Y - Joined MDT-data group, y - Sending to MDT-data group
>> Outgoing interface flags: H - Hardware switched, A - Assert winner
>> Timers: Uptime/Expires
>> Interface state: Interface, Next-Hop or VCD, State/Mode
>>
>> (*, 224.2.2.2), 00:00:21/stopped, RP 1.1.1.1, flags: SP
>> Incoming interface: Ethernet0/0, RPF nbr 1.1.13.1, Mroute
>> Outgoing interface list: Null
>>
>> (2.2.2.2 , 224.2.2.2), 00:00:21/00:03:08, flags:
>> Incoming interface: Serial1/0.345, RPF nbr 172.16.1.2
>> Outgoing interface list:
>> Ethernet0/0, Forward/Sparse-Dense, 00:00:21/00:03:08
>>
>> (172.16.1.2, 224.2.2.2), 00:00:22/00:02:46, flags: PT
>> Incoming interface: Serial1/0.345, RPF nbr 0.0.0.0
>> Outgoing interface list: Null
>>
>> (130.0.0.2, 224.2.2.2), 00:00:22/00:03:07, flags:
>> Incoming interface: Serial1/0.345, RPF nbr 172.16.1.2
>> Outgoing interface list:
>> Ethernet0/0, Forward/Sparse-Dense, 00:00:22/00:03:07
>>
>> (*, 224.0.1.40), 00:29:39/00:02:36, RP 0.0.0.0, flags: DCL
>> Incoming interface: Null, RPF nbr 0.0.0.0
>> Outgoing interface list:
>> Serial1/0.345, Forward/Sparse-Dense, 00:29:39/00:00:00
>> Ethernet0/0, Forward/Sparse-Dense, 00:29:39/00:00:00
>>
>> In the above mroute table,OIL for just the serial IP is null.
>>
>> Please help me troubleshoot this problem.
>>
>>
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>
> --
> Ivan
>
>
>
> ---------------------------------
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