diff --git a/config/config.go b/config/config.go
new file mode 100644
index 0000000..44fc805
--- /dev/null
+++ b/config/config.go
@@ -0,0 +1,125 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package config
+
+import (
+	"flag"
+	"fmt"
+	"github.com/opencord/voltha-lib-go/v2/pkg/log"
+	"strconv"
+	"strings"
+)
+
+// Open OLT default constants
+const (
+	defaultOpenOltAgentIp          = "10.90.0.114"
+	defaultOpenOltAgentPort        = 9191
+	defaultNumOfOnu                = 128
+	defaultNumOfSubscribersPerOnu  = 1
+	defaultWorkFlowName            = "ATT"
+	defaultTimeIntervalBetweenSubs = 5 // in seconds
+	defaultNniIntfId               = 0
+	defaultKVstoreHost             = "192.168.1.11"
+	defaultKVstorePort             = 2379
+	defaultTpIDs                   = "64"
+)
+
+// OpenOltScaleTesterConfigConfig represents the set of configurations used by the read-write adaptercore service
+type OpenOltScaleTesterConfig struct {
+	// Command line parameters
+	OpenOltAgentAddress     string
+	OpenOltAgentIP          string
+	OpenOltAgentPort        uint
+	NniIntfID               uint
+	NumOfOnu                uint
+	SubscribersPerOnu       uint
+	WorkflowName            string
+	TimeIntervalBetweenSubs uint // in seconds
+	KVStoreHost             string
+	KVStorePort             int
+	TpIDsString             string
+	TpIDList                []int
+}
+
+func init() {
+	_, _ = log.AddPackage(log.JSON, log.WarnLevel, nil)
+}
+
+func GetTpIDList(tpIDsStr string) []int {
+	stringSlice := strings.Split(tpIDsStr, ",")
+	var tpIDSlice []int
+	for _, s := range stringSlice {
+		if tpID, err := strconv.Atoi(s); err == nil {
+			tpIDSlice = append(tpIDSlice, tpID)
+		}
+	}
+	log.Debugw("parsed-tp-id-slice", log.Fields{"tpIDSlice": tpIDSlice})
+	return tpIDSlice
+}
+
+// NewOpenOltScaleTesterConfig returns a new RWCore config
+func NewOpenOltScaleTesterConfig() *OpenOltScaleTesterConfig {
+	var OpenOltScaleTesterConfig = OpenOltScaleTesterConfig{ // Default values
+		OpenOltAgentAddress:     defaultOpenOltAgentIp + ":" + strconv.Itoa(defaultOpenOltAgentPort),
+		NumOfOnu:                defaultNumOfOnu,
+		SubscribersPerOnu:       defaultNumOfSubscribersPerOnu,
+		WorkflowName:            defaultWorkFlowName,
+		TimeIntervalBetweenSubs: defaultTimeIntervalBetweenSubs,
+		NniIntfID:               defaultNniIntfId,
+		KVStoreHost:             defaultKVstoreHost,
+		KVStorePort:             defaultKVstorePort,
+		TpIDList:                GetTpIDList(defaultTpIDs),
+	}
+	return &OpenOltScaleTesterConfig
+}
+
+// ParseCommandArguments parses the arguments for OpenOltScale Tester
+func (st *OpenOltScaleTesterConfig) ParseCommandArguments() {
+
+	help := fmt.Sprintf("OpenOLT Agent IP Address")
+	flag.StringVar(&(st.OpenOltAgentIP), "openolt_agent_ip_address", defaultOpenOltAgentIp, help)
+
+	help = fmt.Sprintf("OpenOLT Agent gRPC port")
+	flag.UintVar(&(st.OpenOltAgentPort), "openolt_agent_port", defaultOpenOltAgentPort, help)
+
+	help = fmt.Sprintf("OpenOLT Agent Nni Intf Id")
+	flag.UintVar(&(st.NniIntfID), "openolt_agent_nni_intf_id", defaultNniIntfId, help)
+
+	help = fmt.Sprintf("Number of ONU")
+	flag.UintVar(&(st.NumOfOnu), "num_of_onu", defaultNumOfOnu, help)
+
+	help = fmt.Sprintf("Subscribers per ONU")
+	flag.UintVar(&(st.SubscribersPerOnu), "subscribers_per_onu", defaultNumOfSubscribersPerOnu, help)
+
+	help = fmt.Sprintf("Workflow name")
+	flag.StringVar(&(st.WorkflowName), "workflow_name", defaultWorkFlowName, help)
+
+	help = fmt.Sprintf("Time Interval Between provisioning each subscriber")
+	flag.UintVar(&(st.TimeIntervalBetweenSubs), "time_interval_between_subs", defaultTimeIntervalBetweenSubs, help)
+
+	help = fmt.Sprintf("KV store host")
+	flag.StringVar(&(st.KVStoreHost), "kv_store_host", defaultKVstoreHost, help)
+
+	help = fmt.Sprintf("KV store port")
+	flag.IntVar(&(st.KVStorePort), "kv_store_port", defaultKVstorePort, help)
+
+	help = fmt.Sprintf("Command seperated TP ID list for Workflow")
+	flag.StringVar(&(st.TpIDsString), "tp_ids", defaultTpIDs, help)
+
+	flag.Parse()
+
+}