From: tom cheung (tkc9789@xxxxxxxxxxx)
Date: Mon Aug 13 2001 - 21:27:05 GMT-3
Bob,
How about try adding ip pim dense on r2 and r3's Ethernet interfaces?
>From: "Bob Chahal" <bob.chahal@ntlworld.com>
>Reply-To: "Bob Chahal" <bob.chahal@ntlworld.com>
>To: <ccielab@groupstudy.com>
>Subject: Basic Multicasting
>Date: Tue, 14 Aug 2001 00:08:00 +0100
>
>Hi all,
>
>I'm doing a real basic multicast lab but I just don't seem to be getting
>the
>results I'm expecting. I've a hub and spoke frame-relay setup. R1 is the
>hub
>and R2, R3 are the spokes. I've enabled the serial interfaces with PIM
>dense-mode and have frame-relay maps (broadcast enabled) to every router.
>Every router also has an ethernet to which I join multicast group
>225.0.5.5.
>
>
>When I ping the group address 225.0.5.5 from the hub only the local
>ethernet
>responds. When I ping at the spokes only the local ethernet and the hub
>respond. I was under the impression that dense-mode had no real issues.
>
>I'm going to do some more research about issues with mulicasting and
>frame-relay networks but if anyone has any ideas I'd appreciate it. Thanks.
>the configs are as follows : -
>
>R1
>hostname r1
>ip multicast-routing
>ip dvmrp route-limit 20000
>cns event-service server
>!
>interface Loopback0
> ip address 1.1.1.1 255.255.255.0
> no ip directed-broadcast
>!
>interface FastEthernet0/0
> ip address 10.1.0.1 255.255.0.0
> no ip directed-broadcast
> ip pim dense-mode
> ip igmp join-group 225.0.5.5
> no keepalive
> duplex auto
> speed auto
>!
>interface Serial0/0
> ip address 10.10.0.1 255.255.0.0
> no ip directed-broadcast
> ip pim dense-mode
> encapsulation frame-relay
> ip ospf network point-to-multipoint
> no ip mroute-cache
> no fair-queue
> frame-relay map ip 10.10.0.1 103
> frame-relay map ip 10.10.0.2 102 broadcast
> frame-relay map ip 10.10.0.3 103 broadcast
>!
>router ospf 1
> network 0.0.0.0 255.255.255.255 area 0
>!
>
>R2
>hostname r2
>ip multicast-routing
>ip dvmrp route-limit 20000
>cns event-service server
>!
>interface Loopback0
> ip address 2.2.2.2 255.255.255.0
> no ip directed-broadcast
>!
>interface FastEthernet0/0
> ip address 10.2.0.2 255.255.0.0
> no ip directed-broadcast
> ip igmp join-group 225.0.5.5
> no keepalive
> duplex auto
> speed auto
>!
>interface Serial0/0
> ip address 10.10.0.2 255.255.0.0
> no ip directed-broadcast
> ip pim dense-mode
> encapsulation frame-relay
> ip ospf network point-to-multipoint
> no ip mroute-cache
> no fair-queue
> frame-relay map ip 10.10.0.1 201 broadcast
> frame-relay map ip 10.10.0.2 201
> frame-relay map ip 10.10.0.3 201 broadcast
>!
>router ospf 1
> network 0.0.0.0 255.255.255.255 area 0
>!
>
>R3
>hostname r3
>!
>interface Loopback0
> ip address 3.3.3.3 255.255.255.0
> no ip directed-broadcast
> ip ospf interface-retry 0
>!
>interface Ethernet0
> ip address 10.3.0.3 255.255.0.0
> no ip directed-broadcast
> ip ospf interface-retry 0
> ip igmp join-group 225.0.5.5
> no keepalive
>!
>interface Serial0
> ip address 10.10.0.3 255.255.0.0
> no ip directed-broadcast
> ip pim dense-mode
> encapsulation frame-relay
> ip ospf network point-to-multipoint
> ip ospf interface-retry 0
> no ip mroute-cache
> no fair-queue
> frame-relay map ip 10.10.0.1 301 broadcast
> frame-relay map ip 10.10.0.2 301 broadcast
> frame-relay map ip 10.10.0.3 301 broadcast
>!
>router ospf 1
> network 0.0.0.0 255.255.255.255 area 0
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