Re: Multicast Question

From: Cristian Henry H (chenry@reuna.cl)
Date: Mon Dec 09 2002 - 08:55:50 GMT-3

Seems to be the lack of RIP process running over R1 to exchange updates
with the rest of the internetwork including the update with the network
address 10.1.1.0/24

Nathan Chessin wrote:
>
> Hi All,
>
> I have a simple multicast topology set up and I am having trouble.
>
> I can't ping the multicast group from router 4.
>
> R1(s0/2)-------------(s0/2)R3(s0/1)--------------(s0/1)r4
>
> All the interfaces have a "ip pim spare-mode" and all routers have ip
> multicast-routing enabled.
>
> On all routers I have "ip pim rp-address 10.1.1.1" which is the loopback
> address of R1 and is reachable by all routers. The loopback also has ip pim
> sparse-mode, and on R1 I have "ip igmp join 225.2.2.40" under s0/2.
>
> I can't ping 225.2.2.40 from r4, but I can from R3. Any ideas?
>
> Configs below.
>
> Thanks,
> Nate
>
> hostname R1
> !
> ip subnet-zero
> no ip domain-lookup
> !
> ip multicast-routing
> lane client flush
> cns event-service server
> !
> !
> interface Loopback0
> ip address 10.1.1.1 255.255.255.0
> ip pim sparse-mode
> !
> interface Loopback10
> ip address 11.1.1.1 255.255.255.0
> !
> interface Loopback20
> ip address 12.1.1.1 255.255.255.0
> !
> interface Loopback30
> ip address 13.1.1.1 255.255.255.0
> !
> interface Loopback40
> ip address 14.1.1.1 255.255.255.0
> !
> interface Ethernet0/1
> ip address 44.1.1.1 255.255.255.0
> !
> interface Serial0/1
> no ip address
> shutdown
> !
> interface Serial0/2
> ip address 1.1.1.1 255.255.255.0
> ip pim sparse-mode
> ip igmp join-group 225.2.2.40
> !
> ip classless
> no ip http server
> ip pim rp-address 10.1.1.1
> ---------------------
> hostname R3
> !
> !
> ip subnet-zero
> no ip domain-lookup
> !
> ip multicast-routing
> lane client flush
> cns event-service server
> !
> !
> interface Ethernet0/1
> ip address 44.1.1.3 255.255.255.0
> !
> interface Serial0/1
> ip address 3.1.1.3 255.255.255.0
> ip pim sparse-mode
> clockrate 64000
> !
> interface Serial0/2
> ip address 1.1.1.3 255.255.255.0
> ip pim sparse-mode
> clockrate 64000
> !
> !
> router ospf 100
> redistribute rip subnets
> network 3.1.1.0 0.0.0.255 area 0
> network 44.1.1.0 0.0.0.255 area 0
> !
> router rip
> redistribute ospf 100
> network 1.0.0.0
> default-metric 5
> !
> ip classless
> no ip http server
> ip pim rp-address 10.1.1.1
> !
> -------------------------------------
>
> hostname R4
> !
> !
> ip subnet-zero
> no ip finger
> no ip domain-lookup
> !
> ip multicast-routing
> ip audit notify log
> ip audit po max-events 100
> !
> !
> interface Loopback0
> ip address 100.1.1.1 255.255.255.0
> !
> interface Loopback10
> ip address 110.1.1.1 255.255.255.0
> !
> interface Loopback20
> ip address 120.1.1.1 255.255.255.0
> !
> interface Loopback30
> ip address 130.1.1.1 255.255.255.0
> !
> interface Loopback40
> ip address 140.1.1.1 255.255.255.0
> !
> interface Ethernet0/0
> no ip address
> shutdown
> !
> !
> interface Serial0/1
> ip address 3.1.1.4 255.255.255.0
> ip pim sparse-mode
> !
> !
> interface FastEthernet2/0
> ip address 44.1.1.4 255.255.255.0
> duplex auto
> speed auto
> !
> !
> router ospf 100
> log-adjacency-changes
> network 3.1.1.0 0.0.0.255 area 0
> network 44.1.1.0 0.0.0.255 area 0
> network 100.1.1.0 0.0.0.255 area 0
> network 110.1.1.0 0.0.0.255 area 0
> network 120.1.1.0 0.0.0.255 area 0
> network 130.1.1.0 0.0.0.255 area 0
> !
> ip classless
> ip http server
> ip pim rp-address 10.1.1.1
> !
> . 

-- 
Cristian E. Henry
REUNA

E-mail: chenry@reuna.cl
Fono: 56-2-3370336
.

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