R3#sh run | b Tu interface Tunnel0 ip address 13.13.13.3 255.255.255.0 ip access-group 100 in keepalive 10 3 tunnel source Loopback0 tunnel destination 223.1.1.1 ! access-list 100 permit ospf any any time-range Prob14 access-list 100 deny ospf any any access-list 100 permit ip any any ! time-range Prob14 periodic weekdays 10:00 to 15:00 !