set interval 30

monitor group webservers
	host www1.example.com address 10.11.135.101
		check ping
	host www2.example.com address 10.11.135.102
		# comments can occur at the beginning
		check ping # or the end of a line
		check ping # checks are not named, so multiple is okay

monitor host gateway address 10.11.135.100

monitor host database