Fix broken tutorial

Tutorial 1/README.md

@@ -3,8 +3,7 @@
 
 ![](./network_connection.png)
 
-## Configuration Commands
-
+## Router Configuration
   - `XX`:  
     Workplace number
 
@@ -16,17 +15,29 @@ configure terminal
 # Assign ip addresses
 interface gi0/0
 ip address 10.3.44.1XX 255.255.255.0
+ip nat outside
+no shutdown
 
 interface gi0/1
-ip address 192.168.1.1 255.255.255.0
+ip address 192.168.1.254 255.255.255.0
+ip nat outside
+no shutdown
 
 # Enable network address translation
 # ip nat pool <name> <start-ip> <end-ip> { netmask <netmask> | prefix-length <prefix-length> } [ type { rotary } ]
 ip nat pool okayletsgo 10.3.44.1XX 10.3.44.1XX netmask 255.255.255.0
 
 # access-list acln {deny|permit} {host|source source-wildcard|any}
-access-list 24 permit 192.168.1.0 255.255.255.0
+access-list 24 permit 192.168.1.0 0.0.0.255
 
 # ip nat inside source { list <acln> pool <name> [overload] | static <local-ip><global-ip> }
 ip nat inside source list 24 pool okayletsgo overload
 ```
+
+## Client Configuration
+  - `XX`: Computer Number
+
+```sh
+ifconfig eth0 192.168.1.XX 255.255.255.0
+route add default gw 192.168.1.254
+```