diff --git a/tests/TestSuite_vf_offload.py b/tests/TestSuite_vf_offload.py
index 6765fcc5..f76a9f54 100644
--- a/tests/TestSuite_vf_offload.py
+++ b/tests/TestSuite_vf_offload.py
@@ -765,7 +765,14 @@ class TestVfOffload(TestCase):
             self.tester.get_local_port(self.dut_ports[1])
         )
 
-        self.loading_sizes = [128, 800, 801, 1700, 2500]
+        self.size_and_count = [
+            (128, 10),
+            (800, 10),
+            (801, 10),
+            (1700, 10),
+            (2500, 10),
+            (8500, 1000)
+        ]
 
         self.tester.send_expect(
             "ethtool -K %s rx off tx off tso off gso off gro off lro off"
@@ -839,13 +846,13 @@ class TestVfOffload(TestCase):
         self.tester.scapy_foreground()
         time.sleep(5)
 
-        for loading_size in self.loading_sizes:
+        for loading_size, packet_count in self.size_and_count:
             # IPv4 tcp test
             out = self.vm0_testpmd.execute_cmd("clear port info all", "testpmd> ", 120)
             self.tcpdump_start_sniffing([tx_interface, rx_interface])
             self.tester.scapy_append(
-                'sendp([Ether(dst="%s",src="52:00:00:00:00:00")/IP(src="192.168.1.1",dst="192.168.1.2")/TCP(sport=1021,dport=1021)/("X"*%s)], iface="%s")'
-                % (mac, loading_size, tx_interface)
+                'sendp([Ether(dst="%s",src="52:00:00:00:00:00")/IP(src="192.168.1.1",dst="192.168.1.2")/TCP(sport=1021,dport=1021)/Raw(RandString(size=%s))], iface="%s", count=%s)'
+                % (mac, loading_size, tx_interface, packet_count)
             )
             out = self.tester.scapy_execute()
             out = self.vm0_testpmd.execute_cmd("show port stats all")
@@ -858,29 +865,29 @@ class TestVfOffload(TestCase):
             self.logger.info(tx_outlist)
             if loading_size <= 800:
                 self.verify(
-                    rx_stats == tx_stats and int(tx_outlist[0]) == loading_size,
+                    rx_stats == tx_stats and all([int(tx_outlist[j]) == loading_size for j in range(packet_count)]),
                     "IPV4 RX or TX packet number not correct",
                 )
             else:
                 num = loading_size // 800
                 for i in range(num):
                     self.verify(
-                        int(tx_outlist[i]) == 800,
+                        all([int(tx_outlist[i * packet_count + j]) == 800 for j in range(packet_count)]),
                         "the packet segmentation incorrect, %s" % tx_outlist,
                     )
                 if loading_size % 800 != 0:
                     self.verify(
-                        int(tx_outlist[num]) == loading_size % 800,
+                        all([int(tx_outlist[num * packet_count + j]) == loading_size % 800 for j in range(packet_count)]),
                         "the packet segmentation incorrect, %s" % tx_outlist,
                     )
 
-        for loading_size in self.loading_sizes:
+        for loading_size, packet_count in self.size_and_count:
             # IPv6 tcp test
             out = self.vm0_testpmd.execute_cmd("clear port info all", "testpmd> ", 120)
             self.tcpdump_start_sniffing([tx_interface, rx_interface])
             self.tester.scapy_append(
-                'sendp([Ether(dst="%s", src="52:00:00:00:00:00")/IPv6(src="FE80:0:0:0:200:1FF:FE00:200", dst="3555:5555:6666:6666:7777:7777:8888:8888")/TCP(sport=1021,dport=1021)/("X"*%s)], iface="%s")'
-                % (mac, loading_size, tx_interface)
+                'sendp([Ether(dst="%s", src="52:00:00:00:00:00")/IPv6(src="FE80:0:0:0:200:1FF:FE00:200", dst="3555:5555:6666:6666:7777:7777:8888:8888")/TCP(sport=1021,dport=1021)/Raw(RandString(size=%s))], iface="%s", count=%s)'
+                % (mac, loading_size, tx_interface, packet_count)
             )
             out = self.tester.scapy_execute()
             out = self.vm0_testpmd.execute_cmd("show port stats all")
@@ -893,19 +900,19 @@ class TestVfOffload(TestCase):
             self.logger.info(tx_outlist)
             if loading_size <= 800:
                 self.verify(
-                    rx_stats == tx_stats and int(tx_outlist[0]) == loading_size,
+                    rx_stats == tx_stats and all([int(tx_outlist[j]) == loading_size for j in range(packet_count)]),
                     "IPV6 RX or TX packet number not correct",
                 )
             else:
                 num = loading_size // 800
                 for i in range(num):
                     self.verify(
-                        int(tx_outlist[i]) == 800,
+                        all([int(tx_outlist[i * packet_count + j]) == 800 for j in range(packet_count)]),
                         "the packet segmentation incorrect, %s" % tx_outlist,
                     )
                 if loading_size % 800 != 0:
                     self.verify(
-                        int(tx_outlist[num]) == loading_size % 800,
+                        all([int(tx_outlist[num * packet_count + j]) == loading_size % 800 for j in range(packet_count)]),
                         "the packet segmentation incorrect, %s" % tx_outlist,
                     )
 
@@ -924,7 +931,14 @@ class TestVfOffload(TestCase):
             self.tester.get_local_port(self.vm0_dut_ports[1])
         )
 
-        self.loading_sizes = [128, 800, 801, 1700, 2500]
+        self.size_and_count = [
+            (128, 10),
+            (800, 10),
+            (801, 10),
+            (1700, 10),
+            (2500, 10),
+            (8500, 1000)
+        ]
 
         self.tester.send_expect(
             "ethtool -K %s rx off tx off tso off gso off gro off lro off"
@@ -981,7 +995,7 @@ class TestVfOffload(TestCase):
         time.sleep(5)
 
         for key_outer in pkts_outer:
-            for loading_size in self.loading_sizes:
+            for loading_size, packet_count in self.size_and_count:
                 # IPv4 tcp test
                 out = self.vm0_testpmd.execute_cmd(
                     "clear port info all", "testpmd> ", 120
@@ -995,9 +1009,9 @@ class TestVfOffload(TestCase):
                     (
                         'sendp([Ether(dst="%s",src="52:00:00:00:00:00")/'
                         + pkts_outer[key_outer]
-                        + '/IP(src="192.168.1.1",dst="192.168.1.2")/TCP(sport=1021,dport=1021)/("X"*%s)], iface="%s")'
+                        + '/IP(src="192.168.1.1",dst="192.168.1.2")/TCP(sport=1021,dport=1021)/Raw(RandString(size=%s))], iface="%s", count = %s)'
                     )
-                    % (mac, loading_size, tx_interface)
+                    % (mac, loading_size, tx_interface, packet_count)
                 )
                 out = self.tester.scapy_execute()
                 out = self.vm0_testpmd.execute_cmd("show port stats all")
@@ -1005,26 +1019,27 @@ class TestVfOffload(TestCase):
                 self.tcpdump_stop_sniff()
                 rx_stats, payload_size_list = self.tcpdump_analyse_sniff(rx_interface)
                 tx_stats, _ = self.tcpdump_analyse_sniff(tx_interface)
+                payload_size_list.sort(reverse=True)
                 self.logger.info(payload_size_list)
                 if loading_size <= 800:
                     self.verify(
-                        rx_stats == tx_stats and payload_size_list[0] == loading_size,
+                        rx_stats == tx_stats and all([payload_size_list == loading_size for j in range(packet_count)]),
                         f"{key_outer} tunnel IPV4 RX or TX packet number not correct",
                     )
                 else:
                     num = loading_size // 800
                     for i in range(num):
                         self.verify(
-                            payload_size_list[i] == 800,
+                            all([payload_size_list[i * packet_count + j] == 800 for j in range(packet_count)]),
                             "the packet segmentation incorrect, %s" % payload_size_list,
                         )
                     if loading_size % 800 != 0:
                         self.verify(
-                            payload_size_list[num] == loading_size % 800,
+                            all([payload_size_list[num * packet_count + j] == loading_size % 800 for j in range(packet_count)]),
                             "the packet segmentation incorrect, %s" % payload_size_list,
                         )
 
-            for loading_size in self.loading_sizes:
+            for loading_size, packet_count in self.size_and_count:
                 # IPv6 tcp test
                 out = self.vm0_testpmd.execute_cmd(
                     "clear port info all", "testpmd> ", 120
@@ -1040,7 +1055,7 @@ class TestVfOffload(TestCase):
                         + pkts_outer[key_outer]
                         + '/IPv6(src="FE80:0:0:0:200:1FF:FE00:200", dst="3555:5555:6666:6666:7777:7777:8888:8888")/TCP(sport=1021,dport=1021)/("X"*%s)], iface="%s")'
                     )
-                    % (mac, loading_size, tx_interface)
+                    % (mac, loading_size, tx_interface, packet_count)
                 )
                 out = self.tester.scapy_execute()
                 out = self.vm0_testpmd.execute_cmd("show port stats all")
@@ -1048,22 +1063,23 @@ class TestVfOffload(TestCase):
                 self.tcpdump_stop_sniff()
                 rx_stats, payload_size_list = self.tcpdump_analyse_sniff(rx_interface)
                 tx_stats, _ = self.tcpdump_analyse_sniff(tx_interface)
+                payload_size_list.sort(reverse=True)
                 self.logger.info(payload_size_list)
                 if loading_size <= 800:
                     self.verify(
-                        rx_stats == tx_stats and payload_size_list[0] == loading_size,
+                        rx_stats == tx_stats and all([payload_size_list[j] == loading_size for j in range(packet_count)]),
                         f"{key_outer} tunnel IPV6 RX or TX packet number not correct",
                     )
                 else:
                     num = loading_size // 800
                     for i in range(num):
                         self.verify(
-                            payload_size_list[i] == 800,
+                            all([payload_size_list[i * packet_count + j] == 800 for j in range(packet_count)]),
                             "the packet segmentation incorrect, %s" % payload_size_list,
                         )
                     if loading_size % 800 != 0:
                         self.verify(
-                            payload_size_list[num] == loading_size % 800,
+                            all([payload_size_list[num * packet_count + j] == loading_size % 800 for j in range(packet_count)]),
                             "the packet segmentation incorrect, %s" % payload_size_list,
                         )
 
