R1#sh run | b 0/0.2
interface Serial0/0.2 point-to-point
 ip address 180.40.7.66 255.255.255.224
 ip pim sparse-dense-mode
 ip multicast helper-map 226.6.6.6 17.100.1.255 Prob13
 ip ospf network point-to-multipoint
 frame-relay interface-dlci 102
!
interface Ethernet0/1
 ip address 17.100.1.1 255.255.255.0
 ip directed-broadcast
 ip pim query-interval 90
 ip pim sparse-dense-mode
 ip igmp query-interval 90
 half-duplex
 no keepalive
!
ip access-list extended Prob13
 permit udp host 180.40.7.97 any eq tftp


R2#sh run | b dhcp
ip dhcp pool S6
   host 180.40.7.97 255.255.255.224
   client-identifier 0063.6973.636f.2d30.3031.322e.3766.3532.2e31.3138.302d.4661.302f.32
!
interface FastEthernet0/1
 ip address 180.40.7.98 255.255.255.224
 ip pim sparse-dense-mode
 ip multicast helper-map broadcast 226.6.6.6 Prob13
 duplex auto
 speed auto
!
ip access-list extended Prob13
 permit udp host 180.40.7.97 host 255.255.255.255 eq tftp
!