diff --git a/Blatt02/Blatt02.md b/Blatt02/Blatt02.md
new file mode 100644
index 0000000..e69de29
diff --git a/Blatt02/scripts/make_topo.sh b/Blatt02/scripts/make_topo.sh
new file mode 100644
index 0000000..bf647f6
--- /dev/null
+++ b/Blatt02/scripts/make_topo.sh
@@ -0,0 +1,62 @@
+#!/bin/bash
+
+echo "reboot to erase the old configurations;"
+bash ~/reboot.sh
+echo "rebooting"
+countdown=40
+while [ $countdown -gt 0 ]; do
+	echo -ne "counting down: $countdown s \033[0K\r"
+	sleep 1
+	countdown=$((countdown - 1))
+done
+
+assign_ip(){
+	local dev=$1
+	local eth_num=$2
+	local ip=$3
+	ssh $dev "ip link set dev eth$eth_num up"
+	ssh $dev "ip addr add $ip dev eth$eth_num"
+}
+
+echo "assigning IP on router1"
+
+assign_ip "router1" 1 "10.5.1.2"
+assign_ip "router1" 2 "10.5.3.3"
+assign_ip "router1" 3 "10.5.4.2"
+assign_ip "router1" 4 "10.5.2.3"
+
+
+echo "assigning IP on router2"
+
+assign_ip "router2" 1 "10.5.2.2"
+assign_ip "router2" 2 "10.5.3.4"
+assign_ip "router2" 3 "10.5.4.5"
+assign_ip "router2" 4 "10.5.5.5"
+
+
+echo "assigning IP on router3"
+
+assign_ip "router3" 1 "10.5.3.2"
+assign_ip "router3" 2 "10.5.4.3"
+assign_ip "router3" 3 "10.5.4.4"
+assign_ip "router3" 4 "10.5.5.2"
+
+echo "assigning IP on router4"
+
+assign_ip "router4" 1 "10.5.2.4"
+assign_ip "router4" 2 "10.5.5.4"
+assign_ip "router4" 3 "10.5.5.3"
+
+echo "assigning IP on pc1"
+
+assign_ip "pc1" 1 "10.5.1.1"
+
+
+echo "assigning IP on pc2"
+
+assign_ip "pc2" 1 "10.5.2.1"
+
+echo "assigning IP on pc3"
+
+assign_ip "pc3" 1 "10.5.3.1"
+bash ~/checkip.sh