multicast again

From: china1124 (china1124@xxxxxxxxxxxx)
Date: Fri Dec 15 2000 - 04:44:25 GMT-3


   
i have three routers connect via frame-relay ,R1 is hub and R2 R3 is spoke, i c
onfig R3 is RP with sparse-mode and use loopback0 ,when i ping from R1 is fine,
but from R3 is fail.i ping about 8-9 times,it is sucess,but about 3 min ,i ping
 again and it is fail,
can anybody tell me how to configure or explain. (my ios verion is 11.2)
thanks !
following is config:
R1:
interface Serial0
 ip address 132.7.1.1 255.255.255.240
 ip pim sparse-mode
 ip pim nbma-mode
 encapsulation frame-relay
 ip ospf network broadcast
 ip ospf priority 10
 frame-relay map ip 132.7.1.2 100 broadcast
 frame-relay map ip 132.7.1.3 200 broadcast
 no frame-relay inverse-arp
ip pim rp-address 132.7.3.1
R2:
interface Serial0
 ip address 132.7.1.2 255.255.255.240
 ip pim sparse-mode
 ip igmp join-group 224.1.1.1
 encapsulation frame-relay
 ip ospf network broadcast
 ip ospf priority 0
 frame-relay map ip 132.7.1.1 101 broadcast
 frame-relay map ip 132.7.1.3 101 broadcast
 no frame-relay inverse-arp
ip pim rp-address 132.7.3.1

R3:
interface loopback 0
 ip addr 132.7.3.1 255.255.255.0
 ip pim sparse-mode
 interface e0
 ip add 172.1.1.1 255.255.255.0
 ip pim spares-mode
interface Serial0
 ip address 132.7.1.3 255.255.255.240
 ip pim sparse-mode
 ip igmp join-group 224.1.1.1
 encapsulation frame-relay
 ip ospf network broadcast
 ip ospf priority 0
 frame-relay map ip 132.7.1.1 201 broadcast
 frame-relay map ip 132.7.1.2 201 broadcast
 no frame-relay inverse-arp

other question:Who can make sure whether lane in lab or not?
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