From: Mike Flanagan (mikenoc@mindspring.com)
Date: Mon Oct 03 2005 - 17:53:54 GMT-3
> The hub is R2 and my intention was not to have a full mesh frame
> relay cloud. So I corrected the map statements so now both spokes
> map to each other through the hub. But I still have the same
> results even after reloading all of the routers
>
>
> Thanks,
>
> Mike F.
>
>
>
> On Oct 3, 2005, at 10:13 AM, Godswill Oletu wrote:
>
>
>> Mike,
>>
>> The configuration at R1:
>>
>> frame-relay map ip 1.1.0.2 105 broadcast
>> frame-relay map ip 1.1.0.3 102
>>
>> And the other at R3:
>>
>> frame-relay map ip 1.1.0.1 201
>> frame-relay map ip 1.1.0.2 205 broadcast
>>
>> From your diagram, these should be spoke routers, the question
>> then is how mand DLCIs you are annoucing to these spokes? You
>> appear to be using two different DLCIs to map these spokes to the
>> hub router and one set of the frame map commands is mising the
>> 'broadcast' option.
>>
>> Or is this a full meshed network?
>>
>> There are couple of things, eg add the 'broadcast' keyword, check
>> your layer 2 frame relay mapping and see what dlci is being used
>> for encapsulation, for traffics from one spoke to the hub and to
>> the other spoke.
>>
>> If this is not a meshed network, then using one DLCI will be the
>> way to go.
>>
>> HTH
>> Godswill Oletu
>>
>>
>>
>>
>>
>>
>> ----- Original Message ----- From: "Mike Flanagan"
>> <mikenoc@mindspring.com>
>> To: "Cisco certification" <ccielab@groupstudy.com>
>> Sent: Monday, October 03, 2005 4:03 AM
>> Subject: Trouble with multicast over NBMA
>>
>>
>>
>>
>>> Hello,
>>>
>>> I originally posted this a few weeks ago and then got sick and
>>> have not touched this. What I am trying to do here is get
>>> multicast working over 3 routers. Router R2 is the hub and is
>>> the mapping agent and R1 and R3 are RP's for two different
>>> multicast networks. If you do a show ip rp map on R2 you see
>>> that it has the two multicast networks on it. if you do a show
>>> ip mroute on and of these 3 routers you do not see the networks
>>> at all. I tried adding ip pim nbma mode on R2 due to the fact
>>> that you cannot announce a multicast group back out an interface
>>> that was learned. With the theory in mind of changing the OIL
>>> from using the interface to an IP address but that did not work.
>>> I am not sure if I am missing something simple "which is highly
>>> likely ;)" or if maybe I need to make a tunnel between R1 and R3.
>>>
>>>
>>> Please advise.
>>>
>>> Thanks,
>>>
>>> Mike F.
>>>
>>>
>>>
>>> R2
>>> / \
>>> / \
>>> R1 R3
>>>
>>>
>>> R1#sh run int ser 0/0.5
>>> Building configuration...
>>>
>>> Current configuration : 227 bytes
>>> !
>>> interface Serial0/0.5 multipoint
>>> ip address 1.1.0.1 255.255.255.0
>>> ip pim nbma-mode
>>> ip pim sparse-dense-mode
>>> ip ospf priority 0
>>> frame-relay map ip 1.1.0.2 105 broadcast
>>> frame-relay map ip 1.1.0.3 102
>>> end
>>>
>>> R1#
>>>
>>> ip pim send-rp-announce Loopback0 scope 16 group-list 11
>>> R1#
>>> R1#sh access-lists 11
>>> Standard IP access list 11
>>> 10 permit 224.0.0.0, wildcard bits 7.255.255.255
>>> R1#
>>>
>>>
>>>
>>> R1#sh ip pim nei
>>> PIM Neighbor Table
>>> Neighbor Interface Uptime/Expires
>>> Ver DR
>>> Address Prio/Mode
>>> 1.1.0.2 Serial0/0.5 00:09:09/00:01:20
>>> v2 1 / DR S
>>> R1#
>>>
>>> R1#sh ip pim rp map
>>> PIM Group-to-RP Mappings
>>> This system is an RP (Auto-RP)
>>>
>>> R1#
>>>
>>>
>>> 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
>>> Y - Joined MDT-data group, y - Sending to MDT-data group
>>> Outgoing interface flags: H - Hardware switched
>>> Timers: Uptime/Expires
>>> Interface state: Interface, Next-Hop or VCD, State/Mode
>>>
>>> (*, 224.0.1.39), 00:41:50/stopped, RP 0.0.0.0, flags: DC
>>> Incoming interface: Null, RPF nbr 0.0.0.0
>>> Outgoing interface list:
>>> Serial0/0.5, Forward/Sparse-Dense, 00:41:50/00:00:00
>>>
>>> (1.1.1.1, 224.0.1.39), 00:41:24/00:02:35, flags: T
>>> Incoming interface: Loopback0, RPF nbr 0.0.0.0
>>> Outgoing interface list:
>>> Serial0/0.5, Forward/Sparse-Dense, 00:41:24/00:00:00
>>>
>>> (*, 224.0.1.40), 00:42:19/stopped, RP 0.0.0.0, flags: DCL
>>> Incoming interface: Null, RPF nbr 0.0.0.0
>>> Outgoing interface list:
>>> Serial0/0.5, Forward/Sparse-Dense, 00:41:54/00:00:00
>>> Loopback0, Forward/Sparse-Dense, 00:42:20/00:00:00
>>>
>>> (1.1.2.2, 224.0.1.40), 00:04:26/00:02:37, flags: LT
>>> Incoming interface: Serial0/0.5, RPF nbr 1.1.0.3
>>> Outgoing interface list:
>>> Loopback0, Forward/Sparse-Dense, 00:04:26/00:00:00
>>>
>>> R1#
>>>
>>> -----------------------------------------
>>>
>>> R2#sh run int ser 0/0.1
>>> Building configuration...
>>>
>>> Current configuration : 202 bytes
>>> !
>>> interface Serial0/0.1 multipoint
>>> ip address 1.1.0.2 255.255.255.0
>>> ip pim nbma-mode
>>> ip pim sparse-dense-mode
>>> frame-relay map ip 1.1.0.1 501 broadcast
>>> frame-relay map ip 1.1.0.3 502 broadcast
>>> end
>>>
>>> R2#
>>>
>>> ip pim send-rp-discovery Loopback0 scope 16
>>>
>>>
>>> R2#sh ip pim nei
>>> PIM Neighbor Table
>>> Neighbor Interface Uptime/Expires
>>> Ver DR
>>> Address Prio/Mode
>>> 1.1.0.3 Serial0/0.1 00:06:28/00:01:31
>>> v2 1 / DR S
>>> 1.1.0.1 Serial0/0.1 00:07:50/00:01:18
>>> v2 1 / S
>>> R2#
>>>
>>> R2#sh ip pim rp map
>>> PIM Group-to-RP Mappings
>>> This system is an RP-mapping agent (Loopback0)
>>>
>>> Group(s) 224.0.0.0/5
>>> RP 1.1.1.1 (?), v2v1
>>> Info source: 1.1.1.1 (?), elected via Auto-RP
>>> Uptime: 00:02:29, expires: 00:02:29
>>> Group(s) 232.0.0.0/5
>>> RP 1.1.3.3 (?), v2v1
>>> Info source: 1.1.3.3 (?), elected via Auto-RP
>>> Uptime: 00:13:48, expires: 00:01:12
>>> R2#
>>>
>>>
>>>
>>>
>>> R2#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
>>> Y - Joined MDT-data group, y - Sending to MDT-data group
>>> Outgoing interface flags: H - Hardware switched
>>> Timers: Uptime/Expires
>>> Interface state: Interface, Next-Hop or VCD, State/Mode
>>>
>>> (*, 224.0.1.39), 00:30:18/stopped, RP 0.0.0.0, flags: DCL
>>> Incoming interface: Null, RPF nbr 0.0.0.0
>>> Outgoing interface list:
>>> Loopback0, Forward/Sparse-Dense, 00:30:18/00:00:00
>>> Serial0/0.1, Forward/Sparse-Dense, 00:30:18/00:00:00
>>>
>>> (1.1.1.1, 224.0.1.39), 00:09:01/00:02:59, flags: LT
>>> Incoming interface: Serial0/0.1, RPF nbr 1.1.0.1
>>> Outgoing interface list:
>>> Loopback0, Forward/Sparse-Dense, 00:09:01/00:00:00
>>>
>>> (1.1.2.2, 224.0.1.39), 00:00:25/00:02:35, flags: LT
>>> Incoming interface: Loopback0, RPF nbr 0.0.0.0
>>> Outgoing interface list:
>>> Serial0/0.1, Forward/Sparse-Dense, 00:00:25/00:00:00
>>>
>>> (*, 224.0.1.40), 00:30:19/stopped, RP 0.0.0.0, flags: DCL
>>> Incoming interface: Null, RPF nbr 0.0.0.0
>>> Outgoing interface list:
>>> Loopback0, Forward/Sparse-Dense, 00:30:19/00:00:00
>>> Serial0/0.1, Forward/Sparse-Dense, 00:30:19/00:00:00
>>>
>>> (1.1.2.2, 224.0.1.40), 00:13:09/00:02:54, flags: L
>>> Incoming interface: Loopback0, RPF nbr 0.0.0.0
>>> Outgoing interface list:
>>> Serial0/0.1, Forward/Sparse-Dense, 00:12:21/00:00:00
>>>
>>> R2#
>>>
>>> -----------------------------------------
>>>
>>> R3#sh run int ser 0/0
>>> Building configuration...
>>>
>>> Current configuration : 318 bytes
>>> !
>>> interface Serial0/0
>>> ip address 1.1.0.3 255.255.255.0
>>> ip pim sparse-dense-mode
>>> encapsulation frame-relay
>>> ip ospf priority 0
>>> frame-relay map ip 1.1.0.1 201
>>> frame-relay map ip 1.1.0.2 205 broadcast
>>> no frame-relay inverse-arp
>>> frame-relay lmi-type cisco
>>> end
>>>
>>> R3#
>>>
>>>
>>> R3#sh ip pim nei
>>> PIM Neighbor Table
>>> Neighbor Interface Uptime/Expires
>>> Ver DR
>>> Address Prio/Mode
>>> 1.1.0.2 Serial0/0 00:13:08/00:01:17
>>> v2 1 / S
>>> R3#
>>>
>>> R3#sh ip pim rp map
>>> PIM Group-to-RP Mappings
>>> This system is an RP (Auto-RP)
>>>
>>> R3#
>>>
>>> R3#sh ip pim rp map
>>> PIM Group-to-RP Mappings
>>> This system is an RP (Auto-RP)
>>>
>>> R3#
>>>
>>>
>>> R3#sh ip pim rp map
>>> PIM Group-to-RP Mappings
>>> This system is an RP (Auto-RP)
>>>
>>> R3#
>>>
>>> ip pim send-rp-announce Loopback0 scope 16 group-list 1
>>> R3#sh access-li
>>> R3#sh access-lists 1
>>> Standard IP access list 1
>>> 10 permit 232.0.0.0, wildcard bits 7.255.255.255
>>> R3#
>>>
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