R1#sh run | b interface Ethernet0/1 interface Ethernet0/1 ip address 17.100.1.1 255.255.255.240 ip access-group 100 out ip pim query-interval 90 ip pim sparse-dense-mode ip igmp query-interval 90 half-duplex no keepalive ! access-list 100 deny ip any 224.0.0.0 15.255.255.255 access-list 100 permit ip any any !