NETWORK LAYER

NETWORK LAYER

1. 6.1 Network Layer Protocols

   • 6.1.1 Network Layer in Communications
     • 6.1.1.1 The Network Layer
     • 6.1.1.2 Network Layer Protocols
   • 6.1.2 Characteristics of the IP Protocol
     • 6.1.2.1 Encapsulating IP
     • 6.1.2.2 Characteristics of IP
     • 6.1.2.3 IP-Connectionless
     • 6.1.2.4 IP-Best Effort Delivery
     • 6.1.2.5 IP-Media Independent
   • 6.1.3 IPv4 Packet
     • 6.1.3.1 IPv4 Packet Header
   • 6.1.4 IPv6 Packet
     • 6.1.4.1 Limitations of IPv4
     • 6.1.4.2 Introducing IPv6
     • 6.1.4.3 Encapsulating IPv6
     • 6.1.4.4 IPv6 Packet Header

2. 6.2 Routing

   • 6.2.1 How a Host Routes
     • 6.2.1.1 Host Forwarding
     • 6.2.1.2 Default Gateway
     • 6.2.1.3 Using the Default Gateway
     • 6.2.1.4 Host Routing Tables
   • 6.2.2 Router Routing Tables
     • 6.2.2.1 Router Packet Forwarding Decision
     • 6.2.2.2 IPv4 Router Routing Table

3. 6.3 Routers

   • 6.3.1 Anatomy of a Router
     • 6.3.1.1 A Router is a Computer
     • 6.3.1.2 Router CPU and OS
     • 6.3.1.3 Router Memory
     • 6.3.1.4 Inside a Router
     • 6.3.1.5 Connect to a Router
     • 6.3.1.6 LAN and WAN Interfaces
   • 6.3.2 Router Boot-up
     • 6.3.2.1 Bootset Files
     • 6.3.2.2 Router Bootup

4. 6.4 Configure a Cisco Router

   • 6.4.1 Configure Initial Settings
     • 6.4.1.1 Basic Switch Configuration Steps
     • 6.4.1.2 Basic Router Configuration Steps
   • 6.4.2 Configure Interfaces
     • 6.4.2.2 Verify Interface Configuration
     • 6.4.2.1 Configure Router Interfaces
   • 6.4.3 Configure the Default Gateway
     • 6.4.3.1 Default Gateway for a Host
     • 6.4.3.2 Default Gateway for a Switch

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