Chapter 6: Network layer.

Chapter 6: Network layer.

1. IP Offline

   • The issuer does not know
     • The recipient is present
       • IF the letter arrived
         • The recipient can read the letter
   • The receiver does not know
     • When will it arrive

2. Decesion to send router packets

   • Routes connected directly
     • Remote routes
       • Default route

3. Network layer

   • Encapsulation
   • Decapsulation
   • Addressing terminals
   • Reuting

4. Network layer protocols

   • Internet Protocol version 6 (IPv6)
   • Internet Protocol version 4 (IPv4)

5. IPV4 Packet header

   • Version
     • Differentiated services or DiffServ (DS)
       • Duration time (TTL)
         • The Protocol field

6. WAN and LAN interfaces

   • Console
     • Secure Shell (SSH)
       • Telnet

7. IP encapsulaton

   • Encapsulate the transportart layer segment and others

8. Verification of interface configuration

   • Show ip route
   • Show interfaces
   • Show ip interface

9. IPv6 packet header

   • Version
   • Traffic class
   • Flow label
   • Content lenght

10. Configure router interfaces

    • Two Gigabit Ethernet interfaces
      • A WAN serial interface card (WIC)

11. IP header

    • Plot
    • Data