R3#sh run
Building configuration...

Current configuration : 1826 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R3
!
boot-start-marker
boot-end-marker
!
!
no network-clock-participate slot 1
no network-clock-participate wic 0
no aaa new-model
ip subnet-zero
!
!
!
ip cef
no ip domain lookup
ip multicast-routing
ip audit po max-events 100
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Loopback0
 ip address 223.254.254.254 255.255.255.255
 ip pim sparse-dense-mode
!
interface Loopback1
 ip address 3.3.3.3 255.255.255.0
!
interface FastEthernet0/0
 no ip address
 shutdown
 duplex auto
 speed auto
!
interface BRI0/0
 no ip address
 shutdown
!
interface FastEthernet0/1
 ip address 180.40.7.129 255.255.255.224
 ip pim sparse-dense-mode
 duplex auto
 speed auto
!
interface Serial1/0
 ip address 180.40.7.33 255.255.255.224
 ip pim sparse-dense-mode
 encapsulation frame-relay
 ip ospf network point-to-multipoint
!
interface Serial1/1
 no ip address
 shutdown
!
interface Serial1/2
 ip address 180.40.7.3 255.255.255.224
 ip pim sparse-dense-mode
!
interface Serial1/3
 no ip address
 shutdown
!
interface Serial1/4
 no ip address
 shutdown
!
interface Serial1/5
 no ip address
 shutdown
!
interface Serial1/6
 no ip address
 shutdown
!
interface Serial1/7
 no ip address
 shutdown
!
router ospf 1
 router-id 3.3.3.3
 log-adjacency-changes
 network 0.0.0.0 255.255.255.255 area 0
!
ip classless
!
no ip http server
no ip http secure-server
ip pim bidir-enable
ip pim spt-threshold 1
ip pim rp-candidate Loopback0 interval 5
ip msdp peer 2.2.2.2 connect-source Loopback1
!
access-list 1 deny   224.20.68.1
access-list 1 permit any
access-list 100 permit ip any any
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 logging synchronous
line aux 0
line vty 0 4
 privilege level 15
 no login
!
!
end