R1#sh run int e 0/1 Building configuration... Current configuration : 174 bytes ! interface Ethernet0/1 ip address 17.100.1.1 255.255.255.240 ip pim query-interval 90 <------------------ ip pim sparse-dense-mode Task didn't say host or router ip igmp query-interval 90 <------------------ half-duplex no keepalive end R1#