Wireless Router Network PC to WiFi to PC Connection Networking Tutorial Using Cisco Packet Tracer скачать в хорошем качестве

Wireless Router Network PC to WiFi to PC Connection Networking Tutorial Using Cisco Packet Tracer

This video demonstrates how two computers communicate over a wireless network using a wireless router in Cisco Packet Tracer. Instead of using Ethernet cables, devices connect through Wi-Fi while still following the same networking principles used in wired communication. Wireless Router Network (PC to WiFi to PC) Topics covered: • Wireless LAN (WLAN) configuration • SSID and Wi-Fi security settings • Client association and authentication • IP addressing within a wireless network • ARP over wireless communication • ICMP ping testing over Wi-Fi Software used: Cisco Packet Tracer Wireless Infrastructure Mode (Wi-Fi Router) Laptop )) Wireless Router (( Laptop • Access point role • DHCP assignment • Clients don’t talk directly DHCP automatically assigns IP → ping works Wireless Infrastructure Network (Wi-Fi Router) — Packet Tracer Now we demonstrate modern networking: Devices connect wirelessly to a router (access point) and receive IP addresses automatically using DHCP. No cables between the computers. PART A — Build the Wireless Network 1) New Workspace File → New 2) Place Devices Add Wireless Router Bottom-left → Network Devices → Wireless Devices Drag Wireless Router (WRT300N) to the center Add Two Laptops Bottom-left → End Devices Drag: • Laptop0 • Laptop1 Place them near the router (distance doesn’t matter in Packet Tracer) PART B — Install Wireless Cards (VERY IMPORTANT) Without it Wi-Fi won’t exist. Do this for BOTH laptops: In Packet Tracer the device only has one expansion slot, so: You must remove the existing wired NIC before inserting the wireless NIC. So with the Laptop-PT the correct process is: 1. Physical tab 2. Power OFF 3. Drag the existing FastEthernet card OUT 4. Drag WPC300N INTO the empty slot 5. Power ON 6. Now PC Wireless works Install the wireless card into both laptops. Laptop0 (& Laptop1) 1. Click Laptop0 2. Go to Physical tab 3. Toggle Power OFF 4. On the left module list, find WPC300N 5. Drag it into the empty slot 6. Power ON Repeat for Laptop1 Wireless Card Installation The laptop does NOT have a wireless card, so it physically cannot see Wi-Fi networks until you add one. You are adding a Wi-Fi adapter module to the laptop’s motherboard. Packet Tracer laptops have removable components: • Ethernet card • Wireless card • Battery • Fan modules You must insert the wireless card manually. Step-By-Step (slow and precise) 1) Open the Laptop Hardware Click Laptop0 At the top tabs click: Physical You will now see a picture of the laptop internals. 2) Turn Power Off (important) On the right side is a power button. Click it so it turns OFF (red) You cannot install modules while powered on. 3) Find the Wireless Card Look at the left panel — a list of components. Scroll if needed and find: WPC300N (This is the wireless network adapter) 4) Insert It Now do this 1. Click and HOLD the WPC300N module 2. Drag it into the empty slot in the laptop 3. Release mouse The slot is a small rectangular opening in the laptop chassis. When placed correctly it snaps into place. 5) Turn Laptop Back On Click the power button again → turns green Now the laptop has Wi-Fi capability. How You Know It Worked Go to: Desktop → PC Wireless Before installing → empty / no networks After installing → wireless interface appears Real laptops require a wireless NIC to connect to Wi-Fi. So the simulator makes you add the hardware to teach: Wireless connectivity requires a wireless network interface card. Repeat for Laptop1. Once both can open Desktop → PC Wireless without errors, continue with the Wi-Fi connection steps from Recording #4: • Configure SSID + WPA2 on the router • Connect each laptop • Verify DHCP with ipconfig • Ping the other laptop PART C — Configure the Wireless Router Click the Wireless Router Go to GUI tab Set the Wi-Fi Name (SSID) Top menu → Wireless → Basic Wireless Settings Change: Network Name (SSID): SchoolWiFi Add Security (Required to Connect) Go to: Wireless → Wireless Security Set: Security Mode: WPA2 Personal Passphrase: password123 Click Save Settings PART D — Connect the Laptops to Wi-Fi Connect Laptop0 1. Click Laptop0 2. Desktop → PC Wireless 3. Go to Connect tab 4. Select SchoolWiFi 5. Enter password: password123 Click Connect Connect Laptop1 Repeat the same steps PART E — Verify Automatic IP Addressing (DHCP) On Laptop0: Desktop → Command Prompt ipconfig You should see something like: IP Address: 192.168.0.100 Subnet Mask: 255.255.255.0 Default Gateway: 192.168.0.1 Now check Laptop1 — it should be a different address but same network. PART F — Test Connectivity From Laptop0: ping 192.168.0.101 (Use the actual IP shown on Laptop1) You should receive replies ✔ PART G — Simulation Mode Proof 1. Bottom-right → Simulation You will see traffic go: Laptop0 → Wireless Router → Laptop1 Devices do NOT talk directly — router forwards frames. Wireless clients communicate through the access point, which also forwards traffic and assigns IP addresses using DHCP.