diff --git a/framework/dut.py b/framework/dut.py
index 0adb2786..8a7884f0 100644
--- a/framework/dut.py
+++ b/framework/dut.py
@@ -6,6 +6,7 @@ import os
 import re
 import threading
 import time
+import copy
 from typing import Dict, List, Optional, Union
 from uuid import uuid4
 
@@ -15,11 +16,13 @@ from nics.net_device import GetNicObj
 from .config import AppNameConf, PortConf
 from .crb import Crb
 from .exception import ParameterInvalidException
-from .settings import LOG_NAME_SEP, NICS
+from .settings import LOG_NAME_SEP, NICS,DPDK_TEST_MEV_SETTING,\
+    DPDK_QUEUE_MODEL_SETTING,DPDK_VPORT_SETTING,DPDK_RX_VPORT_SETTING
 from .ssh_connection import SSHConnection
 from .test_result import ResultTable
 from .utils import RED, remove_old_rsa_key
 from .virt_resource import VirtResource
+from .logger import getLogger
 
 
 class Dut(Crb):
@@ -62,7 +65,10 @@ class Dut(Crb):
         self.apps_name = {}
         self.dpdk_version = ""
         self.nic = None
-
+        self.test_mev = settings.load_global_setting(DPDK_TEST_MEV_SETTING).lower()
+        # self.test_acc = settings.load_global_setting(DPDK_TEST_ACC_SETTING).lower()
+        if self.test_mev=="true":
+            self.set_up_mev_test_env()
     def filter_cores_from_crb_cfg(self):
         # get core list from crbs.cfg
         core_list = []
@@ -327,11 +333,13 @@ class Dut(Crb):
         self.load_portconf()
         self.mount_procfs()
         # auto detect network topology
-        self.map_available_ports()
+        # self.map_available_ports()
         # disable tester port ipv6
         self.disable_tester_ipv6()
         self.get_nic_configurations()
-
+        self.get_mev_nic_configurations()
+        # auto detect network topology
+        self.map_available_ports()
         # print latest ports_info
         for port_info in self.ports_info:
             self.logger.info(port_info)
@@ -354,6 +362,24 @@ class Dut(Crb):
             if self.nic.default_driver == "ice":
                 self.get_nic_pkg(retry_times)
 
+    def get_mev_nic_configurations(self):
+        if self.test_mev=="true":
+            self.vport=settings.load_global_setting(DPDK_VPORT_SETTING).lower()
+            try:
+                vport = self.vport.split("-")
+                vport = list(range(int(vport[0]),int(vport[1])+1))
+            except:
+                vport = [int(self.vport),]
+
+            if len(vport) > 1 :
+                for i in range(len(vport)-1):
+                    dut_port_info = copy.copy(self.ports_info[0])
+                    tester_port_info = copy.copy(self.tester.ports_info[0])
+                    dut_port_info["mac"] = self.ports_info[0]["mac"].replace("0",str(i+1),2)
+                    self.ports_info.append(dut_port_info)
+                    self.tester.ports_info.append(tester_port_info)
+                    # self.port_info[i+1]["pci"] = ""
+
     def get_nic_pkg(self, retry_times=3):
         self.nic.pkg = self.nic.get_nic_pkg()
         while not self.nic.pkg.get("type") and retry_times > 0:
@@ -1379,9 +1405,65 @@ class Dut(Crb):
         Recover all resource before crb exit
         """
         self.enable_tester_ipv6()
+        try:
+            self.bak_session.send_expect("pkill minicom","#")
+        except:
+            pass
+        self.close()
         self.close()
         self.logger.logger_exit()
-
+    
+    def create_imc_test_session(self):
+        self.imc_test_session = SSHConnection(host=self.crb["section"],session_name="imc",username="root",password="tester")
+        self.imc_test_session.init_log(getLogger("dut_imc_session"))
+        self.imc_test_session.send_expect("export TERM=linux-c-nc","#")
+        out = self.imc_test_session.send_command(f"sudo minicom -D {self.crb['IMC PORT']} -b {self.crb['IMC BAUDRATE']} -w")
+        while "root@mev-imc" not in out:
+            if "locked" in out:
+                self.bak_session.send_command("ps -ef | grep 'minicom -D %s' | grep -v grep | awk '{print $2}' | xargs kill -9"%(self.crb['IMC PORT']))
+                out = self.imc_test_session.send_command(f"sudo minicom -D {self.crb['IMC PORT']} -b {self.crb['IMC BAUDRATE']}")
+            elif "login" in out:
+                out = self.imc_test_session.send_command("root")
+            else:
+                out = self.imc_test_session.send_command("\n")
+        self.logger.info("create imc test session successfully")
+
+    def create_acc_test_session(self):
+        self.acc_test_session = SSHConnection(host=self.crb["section"],session_name="acc",username="root",password="tester")
+        self.acc_test_session.init_log(getLogger("dut_acc_session"))
+        self.acc_test_session.send_expect("export TERM=linux-c-nc","#")
+        out = self.acc_test_session.send_command(f"sudo minicom -D {self.crb['ACC PORT']} -b {self.crb['ACC BAUDRATE']}")
+        # out = self.send_command(f"ssh 192.168.0.2")
+        while "root@mev-acc" not in out:
+            if "locked" in out:
+                self.bak_session.send_command("ps -ef | grep 'minicom -D %s' | grep -v grep | awk '{print $2}' | xargs kill -9"%(self.crb['ACC PORT']))
+                out = self.acc_test_session.send_command(f"sudo minicom -D {self.crb['ACC PORT']} -b {self.crb['ACC BAUDRATE']}")
+            elif "login" in out:
+                out = self.acc_test_session.send_command("root")
+            else:
+                out = self.acc_test_session.send_command("\n")
+        self.acc_test_session.logger.info("login acc successfully")
+    def mev_config_rx_port(self, out):
+        rx_vport = settings.load_global_setting(DPDK_RX_VPORT_SETTING).lower()
+        try:
+            # self.ports_info[int(rx_vport)]['mac'] = re.findall(f'Port {rx_vport}: (.{17})\\r',out)[0]
+            mac = re.findall("Port %s: (.{17})\\r"%(rx_vport),out)[0]
+        except:
+            # self.ports_info[int(rx_vport)]['mac'] = re.findall('Address:(.{17})',out)[0]
+            mac = re.findall('Address:(.{17})',out)[0]
+        output = self.imc_test_session.send_command("cli_client --query --config --verbose")
+        vsi_id = re.findall("vsi_id: 0x(\w+).*is_created: yes.*mac addr: %s"%(mac.lower()),output)
+        self.imc_test_session.send_command("devmem 0x202920C100 64 0x80%s"%(vsi_id[0]))
+
+    def  set_up_mev_test_env(self):
+        if self.test_mev == "true":
+            self.bak_session = SSHConnection(host=self.crb["section"],session_name="bak",username="root",password="tester")
+            self.bak_session.init_log(getLogger("dut_bak"))
+            self.create_imc_test_session()
+            if self.crb["ACC PORT"] != "" and  self.crb["ACC BAUDRATE"] != "" and  self.crb["IP"] == self.crb["section"]:
+                self.create_acc_test_session()
+                self.session = self.acc_test_session
+                self.alt_session = self.acc_test_session
 
 class _EalParameter(object):
     def __init__(
@@ -1428,6 +1510,7 @@ class _EalParameter(object):
         param other_eal_param: user defined DPDK eal parameters, eg:
                         other_eal_param='--single-file-segments';
         """
+        self.test_mev=settings.load_global_setting(DPDK_TEST_MEV_SETTING).lower()
         self.os_type = dut.get_os_type()
         self.fixed_prefix = fixed_prefix
         self.socket = socket
@@ -1561,7 +1644,12 @@ class _EalParameter(object):
             for port_info in self.dut.ports_info:
                 pci_list.append("%s %s" % (allow_option, port_info["pci"]))
         self.dut.logger.info(pci_list)
-        return " ".join(pci_list)
+        # return " ".join(pci_list)
+        if self.test_mev =="true":
+            mev_port_options = self._get_mev_port_options()
+            return f"'' '.join(pci_list),{mev_port_options}"
+        else:
+            return " ".join(pci_list)
 
     def _make_b_ports_param(self) -> str:
         b_pci_list = []
@@ -1638,8 +1726,11 @@ class _EalParameter(object):
         port_mac_addr = self.dut.ports_info[port]["pci"] if type(port) == int else port
         port_param = f"{allow_option} {port_mac_addr}"
         port_option = self._get_port_options_from_config(port)
-        if port_option:
-            port_param = f"{port_param},{port_option}"
+        # if port_option:
+        #     port_param = f"{port_param},{port_option}"
+        mev_port_options = self._get_mev_port_options()
+        if port_option or mev_port_options:
+            port_param = f"{port_param},{mev_port_options},{port_option}"
         return port_param
 
     def _get_port_options_from_config(self, port: Union[str, int]) -> str:
@@ -1680,3 +1771,17 @@ class _EalParameter(object):
             ]
         )
         return _eal_str
+
+
+    def _get_mev_port_options(self):
+        if self.test_mev == "true":
+            self.queue_model = settings.load_global_setting(DPDK_QUEUE_MODEL_SETTING)
+            self.vport = settings.load_global_setting(DPDK_VPORT_SETTING)
+            port_options_dict = {
+            "splitq":f"vport={self.vport}",
+            "singleq":f"vport={self.vport},rx_single=1,tx_single=1",
+        }
+            out = port_options_dict[self.queue_model]
+            return out
+        else:
+            return ""
