diff --git a/script/net-config.sh b/script/net-config.sh
new file mode 100644
index 0000000..775fb7e
--- /dev/null
+++ b/script/net-config.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+if [ $# -eq 0 ]; then
+    echo "input client num"
+	exit 1
+fi
+
+client_num=$1
+
+#1 配置接口IP
+ifconfig ens192 192.168.10.10/24
+
+#2 配置VxLAN隧道
+for (( i=0; i<$client_num; i++ ))
+do
+	vni=$[ `expr $i + 100` ]
+    intf=vxlan$vni
+	ip link add $intf type vxlan id $vni dstport 4789 remote 192.168.10.254 local 192.168.10.10 dev ens192
+	ip link set $intf up
+done
+
+
+#3 配置 bridge
+for (( i=0; i<$client_num; i++ ))
+do
+	vni=$[ `expr $i + 100` ]
+	brctl addbr sw_$vni
+	ifconfig sw_$vni up
+done
+
+
+#4 配置netns
+for (( i=0; i<$client_num; i++ ))
+do
+	vni=$[ `expr $i + 100` ]
+	ip netns add ns$vni
+	ip link add veth0 type veth peer name veth$vni
+	ip link set veth0 netns ns$vni
+	ifconfig veth$vni up
+	ip netns exec ns$vni ifconfig veth0 up
+	brctl addif sw_$vni veth$vni vxlan$vni
+done
+
+
+#5 dhclient
+for (( i=0; i<$client_num; i++ ))
+do
+	vni=$[ `expr $i + 100` ] 
+	ip netns exec ns$vni dhclient -r
+	ip netns exec ns$vni dhclient
+	ip netns exec ns$vni ifconfig
+done
+
+#6 run iperf
+for (( i=0; i<$client_num; i++ ))
+do
+	vni=$[ `expr $i + 100` ]
+	ip netns exec ns$vni ifconfig
+	ip netns exec ns$vni ping 192.168.123.1 -c 1
+	ip netns exec ns$vni ip route add 192.168.40.254/32 via 192.168.123.1
+	ip netns exec ns$vni ping 192.168.40.254 -c 1
+done