define host {
        host_name web01
        display_name web01
        address 8.8.4.4
        _mac_address  00:21:9B:00:21:9B
        _sw_port_1    sw01_g3
        notes $_HOSTMAC_ADDRESS$$_HOSTSW_PORT_1$
        hostgroups +webservers
        use web_servers
}