diff --git a/internal/common/helpers.go b/internal/common/helpers.go
index 4e1997b..c1bf936 100644
--- a/internal/common/helpers.go
+++ b/internal/common/helpers.go
@@ -17,8 +17,10 @@
 package common
 
 import (
-	"github.com/opencord/voltha-protos/v2/go/openolt"
+	"net"
 	"strconv"
+
+	"github.com/opencord/voltha-protos/v2/go/openolt"
 )
 
 func OnuSnToString(sn *openolt.SerialNumber) string {
@@ -28,3 +30,31 @@
 	}
 	return s
 }
+
+// GetIPAddr returns the IPv4 address of an interface. 0.0.0.0 is returned if the IP cannot be determined.
+func GetIPAddr(ifname string) (string, error) {
+	ip := "0.0.0.0"
+
+	intf, err := net.InterfaceByName(ifname)
+	if err != nil {
+		return ip, err
+	}
+
+	addrs, err := intf.Addrs()
+	if err != nil {
+		return ip, err
+	}
+
+	for _, addr := range addrs {
+		// get first IPv4 address
+		switch v := addr.(type) {
+		case *net.IPNet:
+			if v.IP.To4() != nil {
+				ip = v.IP.String()
+				break
+			}
+		}
+	}
+
+	return ip, nil
+}
diff --git a/internal/common/options.go b/internal/common/options.go
index 954e66e..361d9b3 100644
--- a/internal/common/options.go
+++ b/internal/common/options.go
@@ -68,6 +68,8 @@
 	RestApiAddress       string  `yaml:"rest_api_address"`
 	LegacyApiAddress     string  `yaml:"legacy_api_address"`
 	LegacyRestApiAddress string  `yaml:"legacy_rest_api_address"`
+	SadisRestAddress     string  `yaml:"sadis_rest_address"`
+	SadisServer          bool    `yaml:"sadis_server"`
 }
 
 type BBRConfig struct {
@@ -94,11 +96,13 @@
 			LogLevel:             "debug",
 			LogCaller:            false,
 			Delay:                200,
-			OpenOltAddress:       "0.0.0.0:50060",
-			ApiAddress:           "0.0.0.0:50070",
-			RestApiAddress:       "0.0.0.0:50071",
-			LegacyApiAddress:     "0.0.0.0:50072",
-			LegacyRestApiAddress: "0.0.0.0:50073",
+			OpenOltAddress:       ":50060",
+			ApiAddress:           ":50070",
+			RestApiAddress:       ":50071",
+			LegacyApiAddress:     ":50072",
+			LegacyRestApiAddress: ":50073",
+			SadisRestAddress:     ":50074",
+			SadisServer:          true,
 		},
 		OltConfig{
 			Vendor:             "BBSim",
@@ -181,6 +185,7 @@
 		conf.Olt.DeviceId = net.HardwareAddr{0xA, 0xA, 0xA, 0xA, 0xA, byte(conf.Olt.ID)}.String()
 	}
 
+	Options = conf
 	return conf
 }