diff --git a/harvester/harvester.go b/harvester/harvester.go
index e0314e6..3a16817 100644
--- a/harvester/harvester.go
+++ b/harvester/harvester.go
@@ -33,26 +33,27 @@
 
 // application application configuration and internal state
 type application struct {
-	Port               int           `default:"4246" desc:"port on which the service will listen for requests"`
-	Listen             string        `default:"0.0.0.0" desc:"IP on which the service will listen for requests"`
-	LogLevel           string        `default:"warning" envconfig:"LOG_LEVEL" desc:"log output level"`
-	LogFormat          string        `default:"text" envconfig:"LOG_FORMAT" desc:"format of log messages"`
-	DHCPLeaseFile      string        `default:"/harvester/dhcpd.leases" envconfig:"DHCP_LEASE_FILE" desc:"lease file to parse for lease information"`
-	OutputFile         string        `envconfig:"OUTPUT_FILE" desc:"name of file to output discovered lease in bind9 format"`
-	OutputFormat       string        `default:"{{.ClientHostname}}\tIN A {{.IPAddress}}\t; {{.HardwareAddress}}" envconfig:"OUTPUT_FORMAT" desc:"specifies the single entry format when outputing to a file"`
-	VerifyLeases       bool          `default:"true" envconfig:"VERIFY_LEASES" desc:"verifies leases with a ping"`
-	VerifyTimeout      time.Duration `default:"1s" envconfig:"VERIFY_TIMEOUT" desc:"max timeout (RTT) to wait for verification pings"`
-	VerifyWithUDP      bool          `default:"false" envconfig:"VERIFY_WITH_UDP" desc:"use UDP instead of raw sockets for ping verification"`
-	QueryPeriod        time.Duration `default:"30s" envconfig:"QUERY_PERIOD" desc:"period at which the DHCP lease file is processed"`
-	QuietPeriod        time.Duration `default:"2s" envconfing:"QUIET_PERIOD" desc:"period to wait between accepting parse requests"`
-	RequestTimeout     time.Duration `default:"10s" envconfig:"REQUEST_TIMEOUT" desc:"period to wait for processing when requesting a DHCP lease database parsing"`
-	RNDCUpdate         bool          `default:"false" envconfig:"RNDC_UPDATE" desc:"determines if the harvester reloads the DNS servers after harvest"`
-	RNDCAddress        string        `default:"127.0.0.1" envconfig:"RNDC_ADDRESS" desc:"IP address of the DNS server to contact via RNDC"`
-	RNDCPort           int           `default:"954" envconfig:"RNDC_PORT" desc:"port of the DNS server to contact via RNDC"`
-	RNDCKeyFile        string        `default:"/key/rndc.conf.maas" envconfig:"RNDC_KEY_FILE" desc:"key file, with default, to contact DNS server"`
-	RNDCZone           string        `default:"cord.lab" envconfig:"RNDC_ZONE" desc:"zone to reload"`
-	BadClientNames     []string      `default:"localhost" envconfig:"BAD_CLIENT_NAMES" desc:"list of invalid hostnames for clients"`
-	ClientNameTemplate string        `default:"UKN-{{with $x:=.HardwareAddress|print}}{{regex $x \":\" \"\"}}{{end}}" envconfig:"CLIENT_NAME_TEMPLATE" desc:"template for generated host name"`
+	Port                int           `default:"4246" desc:"port on which the service will listen for requests"`
+	Listen              string        `default:"0.0.0.0" desc:"IP on which the service will listen for requests"`
+	LogLevel            string        `default:"warning" envconfig:"LOG_LEVEL" desc:"log output level"`
+	LogFormat           string        `default:"text" envconfig:"LOG_FORMAT" desc:"format of log messages"`
+	DHCPLeaseFile       string        `default:"/harvester/dhcpd.leases" envconfig:"DHCP_LEASE_FILE" desc:"lease file to parse for lease information"`
+	DHCPReservationFile string        `default:"/reservations/dhcpd.reservations" envconfig:"DHCP_RESERVATION_FILE" desc:"lease reservation file for IP information"`
+	OutputFile          string        `envconfig:"OUTPUT_FILE" desc:"name of file to output discovered lease in bind9 format"`
+	OutputFormat        string        `default:"{{.ClientHostname}}\tIN A {{.IPAddress}}\t; {{.HardwareAddress}}" envconfig:"OUTPUT_FORMAT" desc:"specifies the single entry format when outputing to a file"`
+	VerifyLeases        bool          `default:"true" envconfig:"VERIFY_LEASES" desc:"verifies leases with a ping"`
+	VerifyTimeout       time.Duration `default:"1s" envconfig:"VERIFY_TIMEOUT" desc:"max timeout (RTT) to wait for verification pings"`
+	VerifyWithUDP       bool          `default:"false" envconfig:"VERIFY_WITH_UDP" desc:"use UDP instead of raw sockets for ping verification"`
+	QueryPeriod         time.Duration `default:"30s" envconfig:"QUERY_PERIOD" desc:"period at which the DHCP lease file is processed"`
+	QuietPeriod         time.Duration `default:"2s" envconfing:"QUIET_PERIOD" desc:"period to wait between accepting parse requests"`
+	RequestTimeout      time.Duration `default:"10s" envconfig:"REQUEST_TIMEOUT" desc:"period to wait for processing when requesting a DHCP lease database parsing"`
+	RNDCUpdate          bool          `default:"false" envconfig:"RNDC_UPDATE" desc:"determines if the harvester reloads the DNS servers after harvest"`
+	RNDCAddress         string        `default:"127.0.0.1" envconfig:"RNDC_ADDRESS" desc:"IP address of the DNS server to contact via RNDC"`
+	RNDCPort            int           `default:"954" envconfig:"RNDC_PORT" desc:"port of the DNS server to contact via RNDC"`
+	RNDCKeyFile         string        `default:"/key/rndc.conf.maas" envconfig:"RNDC_KEY_FILE" desc:"key file, with default, to contact DNS server"`
+	RNDCZone            string        `default:"cord.lab" envconfig:"RNDC_ZONE" desc:"zone to reload"`
+	BadClientNames      []string      `default:"localhost" envconfig:"BAD_CLIENT_NAMES" desc:"list of invalid hostnames for clients"`
+	ClientNameTemplate  string        `default:"UKN-{{with $x:=.HardwareAddress|print}}{{regex $x \":\" \"\"}}{{end}}" envconfig:"CLIENT_NAME_TEMPLATE" desc:"template for generated host name"`
 
 	appFlags           *flag.FlagSet      `ignored:"true"`
 	log                *logrus.Logger     `ignored:"true"`
@@ -113,29 +114,30 @@
 
 	// output the configuration
 	app.log.Infof(`Configuration:
-           LISTEN:               %s
-           PORT:                 %d
-           LOG_LEVEL:            %s
-           LOG_FORMAT:           %s
-           DHCP_LEASE_FILE:      %s
-           OUTPUT_FILE:          %s
-           OUTPUT_FORMAT:        %s
-           VERIFY_LEASES:        %t
-           VERIFY_TIMEOUT:       %s
-           VERIFY_WITH_UDP:      %t
-           QUERY_PERIOD:         %s
-           QUIET_PERIOD:         %s
-           REQUEST_TIMEOUT:      %s
-           RNDC_UPDATE:          %t
-           RNDC_ADDRESS:         %s
-           RNDC_PORT:            %d
-           RNDC_KEY_FILE:        %s
-           RNDC_ZONE:            %s
-	   BAD_CLIENT_NAMES:     %s
-	   CLIENT_NAME_TEMPLATE: %s`,
+           LISTEN:                %s
+           PORT:                  %d
+           LOG_LEVEL:             %s
+           LOG_FORMAT:            %s
+           DHCP_LEASE_FILE:       %s
+           DHCP_RESERVATION_FILE: %s
+           OUTPUT_FILE:           %s
+           OUTPUT_FORMAT:         %s
+           VERIFY_LEASES:         %t
+           VERIFY_TIMEOUT:        %s
+           VERIFY_WITH_UDP:       %t
+           QUERY_PERIOD:          %s
+           QUIET_PERIOD:          %s
+           REQUEST_TIMEOUT:       %s
+           RNDC_UPDATE:           %t
+           RNDC_ADDRESS:          %s
+           RNDC_PORT:             %d
+           RNDC_KEY_FILE:         %s
+           RNDC_ZONE:             %s
+	   BAD_CLIENT_NAMES:      %s
+	   CLIENT_NAME_TEMPLATE:  %s`,
 		app.Listen, app.Port,
 		app.LogLevel, app.LogFormat,
-		app.DHCPLeaseFile, app.OutputFile, strconv.Quote(app.OutputFormat),
+		app.DHCPLeaseFile, app.DHCPReservationFile, app.OutputFile, strconv.Quote(app.OutputFormat),
 		app.VerifyLeases, app.VerifyTimeout, app.VerifyWithUDP,
 		app.QueryPeriod, app.QuietPeriod, app.RequestTimeout,
 		app.RNDCUpdate, app.RNDCAddress, app.RNDCPort, app.RNDCKeyFile, app.RNDCZone,