type: u32
help: "Set refresh timer"
syntax: $(@) >= 10 && $(@) <= 1800; "must be between 10-1800"
update: "/usr/bin/vtysh -c \"configure terminal\" -c \"router ospf\" \
        -c \"no refresh timer\" -c \"refresh timer $(@)\"; "
delete: "/usr/bin/vtysh -c \"configure terminal\" -c \"router ospf\" \
        -c \"no refresh timer $(@)\"; "
#comp_help: <10-1800> Timer value in seconds