diff --git a/README.md b/README.md
new file mode 100644
index 0000000..6fb2804
--- /dev/null
+++ b/README.md
@@ -0,0 +1,9 @@
+# Usage matplotlib 
+
+## Pre-requirements for usage of matplotlib
+
+```
+pip install matplotlib
+pip install numpy
+pip install pyqt5
+```
\ No newline at end of file
diff --git a/chart.py b/chart.py
new file mode 100644
index 0000000..052fa36
--- /dev/null
+++ b/chart.py
@@ -0,0 +1,10 @@
+import matplotlib.pyplot as plt
+import numpy as np
+
+x = np.arange(0, 2, 0.2)
+# print(x)
+
+plt.plot(x, x, 'bo')
+plt.plot(x, x**2, color='#e35f62', marker='*', linewidth=2)
+plt.plot(x, x**3, color='forestgreen', marker='^', markersize=9)
+plt.show()
diff --git a/config/topo/topo_basicquic b/config/topo/topo_basicquic
index eaa5f59..c29c8be 100644
--- a/config/topo/topo_basicquic
+++ b/config/topo/topo_basicquic
@@ -1,5 +1,5 @@
-clients:1
+clients:5
 leftSubnet:10.0.
 rightSubnet:10.1.
-path_c2r_0:10,10,4,0
+path_c2r_0:10,10,4,30
 topoType:IoTMultiClient
diff --git a/netstat_router_after b/netstat_router_after
new file mode 100644
index 0000000..63b6826
--- /dev/null
+++ b/netstat_router_after
@@ -0,0 +1,39 @@
+Ip:
+    Forwarding: 1
+    224 total packets received
+    224 forwarded
+    0 incoming packets discarded
+    0 incoming packets delivered
+    224 requests sent out
+Icmp:
+    0 ICMP messages received
+    0 input ICMP message failed
+    ICMP input histogram:
+    0 ICMP messages sent
+    0 ICMP messages failed
+    ICMP output histogram:
+Tcp:
+    0 active connection openings
+    0 passive connection openings
+    0 failed connection attempts
+    0 connection resets received
+    0 connections established
+    0 segments received
+    0 segments sent out
+    0 segments retransmitted
+    0 bad segments received
+    0 resets sent
+Udp:
+    0 packets received
+    0 packets to unknown port received
+    0 packet receive errors
+    0 packets sent
+    0 receive buffer errors
+    0 send buffer errors
+UdpLite:
+TcpExt:
+    0 packet headers predicted
+IpExt:
+    InOctets: 146285
+    OutOctets: 292570
+    InNoECTPkts: 224
diff --git a/netstat_router_before b/netstat_router_before
new file mode 100644
index 0000000..1e6e1c1
--- /dev/null
+++ b/netstat_router_before
@@ -0,0 +1,36 @@
+Ip:
+    Forwarding: 1
+    0 total packets received
+    0 forwarded
+    0 incoming packets discarded
+    0 incoming packets delivered
+    0 requests sent out
+Icmp:
+    0 ICMP messages received
+    0 input ICMP message failed
+    ICMP input histogram:
+    0 ICMP messages sent
+    0 ICMP messages failed
+    ICMP output histogram:
+Tcp:
+    0 active connection openings
+    0 passive connection openings
+    0 failed connection attempts
+    0 connection resets received
+    0 connections established
+    0 segments received
+    0 segments sent out
+    0 segments retransmitted
+    0 bad segments received
+    0 resets sent
+Udp:
+    0 packets received
+    0 packets to unknown port received
+    0 packet receive errors
+    0 packets sent
+    0 receive buffer errors
+    0 send buffer errors
+UdpLite:
+TcpExt:
+    0 packet headers predicted
+IpExt:
diff --git a/netstat_server_after b/netstat_server_after
new file mode 100644
index 0000000..8d23f15
--- /dev/null
+++ b/netstat_server_after
@@ -0,0 +1,42 @@
+Ip:
+    Forwarding: 1
+    76 total packets received
+    0 forwarded
+    0 incoming packets discarded
+    76 incoming packets delivered
+    148 requests sent out
+Icmp:
+    14 ICMP messages received
+    0 input ICMP message failed
+    ICMP input histogram:
+        destination unreachable: 14
+    0 ICMP messages sent
+    0 ICMP messages failed
+    ICMP output histogram:
+IcmpMsg:
+        InType3: 14
+Tcp:
+    0 active connection openings
+    0 passive connection openings
+    0 failed connection attempts
+    0 connection resets received
+    0 connections established
+    0 segments received
+    0 segments sent out
+    0 segments retransmitted
+    0 bad segments received
+    0 resets sent
+Udp:
+    62 packets received
+    0 packets to unknown port received
+    0 packet receive errors
+    148 packets sent
+    0 receive buffer errors
+    0 send buffer errors
+UdpLite:
+TcpExt:
+    0 packet headers predicted
+IpExt:
+    InOctets: 35533
+    OutOctets: 110752
+    InNoECTPkts: 76
diff --git a/netstat_server_before b/netstat_server_before
new file mode 100644
index 0000000..1e6e1c1
--- /dev/null
+++ b/netstat_server_before
@@ -0,0 +1,36 @@
+Ip:
+    Forwarding: 1
+    0 total packets received
+    0 forwarded
+    0 incoming packets discarded
+    0 incoming packets delivered
+    0 requests sent out
+Icmp:
+    0 ICMP messages received
+    0 input ICMP message failed
+    ICMP input histogram:
+    0 ICMP messages sent
+    0 ICMP messages failed
+    ICMP output histogram:
+Tcp:
+    0 active connection openings
+    0 passive connection openings
+    0 failed connection attempts
+    0 connection resets received
+    0 connections established
+    0 segments received
+    0 segments sent out
+    0 segments retransmitted
+    0 bad segments received
+    0 resets sent
+Udp:
+    0 packets received
+    0 packets to unknown port received
+    0 packet receive errors
+    0 packets sent
+    0 receive buffer errors
+    0 send buffer errors
+UdpLite:
+TcpExt:
+    0 packet headers predicted
+IpExt: