Table of Contents

Introduction

Chapter 1 Network Infrastructure Design

Chapter Outline

Objectives

Key Terms

Introduction

1-1 Physical Network Design

Core

Distribution Layer

Access Layer

Data Flow

Selecting the Media

1-2 IP Subnet Design

IP Address Range

Determining the Number of Subnetworks Needed for the Network

Determining the Size or the Number of IP Host Addresses Needed for the Network

IP Assignment

1-3 VLAN Network

Virtual LAN (VLAN)

VLAN Configuration

VLAN Tagging

802.1Q Configuration

Networking Challenge: Static VLAN Configuration

Configuring the HP Procurve Switch

1-4 Routed Network

Router

Gateway Address

Network Segments

Multilayer Switch

Layer 3 Routed Networks

Routed Port Configuration

InterVLAN Routing Configuration

Serial and ATM Port Configuration

Summary

Questions and Problems

Chapter 2 Advanced Router Configuration I

Chapter Outline

Objectives

Key Terms

Introduction

2-1 Configuring Static Routing

Gateway of Last Resort

Configuring Static Routes

Load Balancing and Redundancy

Networking Challenge—Static Routes

2-2 Dynamic Routing Protocols

Distance Vector Protocols

Link State Protocols

2-3 Configuring RIPv2

Configuring Routes with RIP

Configuring Routes with RIP Version 2

Networking Challenge—RIP

2-4 TFTP—Trivial File Transfer Protocol

Configuring TFTP

Summary

Questions and Problems

Chapter 3 Advanced Router Configuration II

Chapter Outline

Objectives

Key Terms

Introduction

3-1 Configuring Link State Protocols—OSPF

Link State Protocols

Configuring Routes with OSPF

Load Balancing and Redundancy with OSPF

Networking Challenge—OSPF

3-2 Configuring Link State Protocols—IS-IS

Configuring Routes with IS-IS

Load Balancing and Redundancy with IS-IS

Networking Challenge: IS-IS

3-3 Configuring Hybrid Routing Protocols—EIGRP

Configuring Routes with EIGRP

Load Balancing and Redundancy

Networking Challenge: EIGRP

3-4 Advanced Routing Redistribution

Route Redistribution into RIP

Route Redistribution into OSPF

Route Redistribution into EIGRP

Route Redistribution into IS-IS

3-5 Analyzing OSPF “Hello” Packets

Summary

Questions and Problems

Chapter 4 Configuring Juniper Routers

Chapter Outline

Objectives

Key Terms

Introduction

4-1 Operational Mode

4-2 Router Configuration Mode

Displaying the Router Interfaces

Hostname Configuration

Assigning an IP Address to an Interface

4-3 Configuring Routes on Juniper Routers

Configure STATIC Routes on Juniper Routers

Configure RIP on Juniper Routers

Configure OSPF on Juniper Routers

Configure IS-IS on Juniper Routers

4-4 Configuring Route Redistribution on Juniper Routers

Summary

Questions and Problems

Chapter 5 Configuring and Managing the Network Infrastructure

Chapter Outline

Objectives

Key Terms

Introduction

5-1 Domain Name and IP Assignment

5-2 IP Management with DHCP

DHCP Data Packets

DHCP Deployment

5-3 Scaling the Network with NAT and PAT

Configuring NAT

5-4 Domain Name Service (DNS)

DNS Tree Hierarchy

DNS Resource Records

Summary

Questions and Problems

Chapter 6 Analyzing Network Data Traffic

Chapter Outline

Objectives

Key Terms

Introduction

6-1 Protocol Analysis/Forensics

Basic TCP/UDP Forensics

ARP and ICMP

6-2 Wireshark Protocol Analyzer

Using Wireshark to Capture Packets

6-3 Analyzing Network Data Traffic

Configuring SNMP

NetFlow

6-4 Filtering

FTP Filtering

Right-Click Filtering Logic Rules

Filtering DHCP

Summary

Questions and Problems

Chapter 7 Network Security

Chapter Outline

Objectives

Key Terms

Introduction

7-1 Denial of Service

Distributed Denial of Service Attacks (DDoS)

7-2 Firewalls and Access Lists

Network Attack Prevention

Access Lists

7-3 Router Security

Router Access

Router Services

Router Logging and Access-List

7-4 Switch Security

Switch Port Security

Switch Special Features

7-5 Wireless Security

7-6 VPN Security

VPN Tunneling Protocols

Configuring a VPN Virtual Interface (Router to Router)

Troubleshooting the VPN Tunnel Link

Summary

Questions and Problems

Chapter 8 IPv6

Chapter Outline

Objectives

Key Terms

Introduction

8-1 Comparison of IPv6 and IPv4

8-2 IPv6 Addressing

8-3 IPv6 Network Settings

8-4 Configuring a Router for IPv6

8-5 IPv6 Routing

IPv6: Static

IPv6: RIP

IPv6: OSPF

IPv6: EIGRP

IPv6: IS-IS

8-6 Troubleshooting IPv6 Connection

Summary

Questions and Problems

Chapter 9 Linux Networking

Chapter Outline

Objectives

Key Terms

Introduction

9-1 Logging On to Linux

Adding a User Account

9-2 Linux File Structure and File Commands

Listing Files

Displaying File Contents

Directory Operations

File Operations

Permissions and Ownership

9-3 Linux Administration Commands

The man (manual) Command

The ps (processes) Command

The su (substitute user) Command

The mount Command

The shutdown Command

Linux Tips

9-4 Adding Applications to Linux

9-5 Linux Networking

Installing SSH

The FTP Client

DNS Service on Linux

Changing the Hostname

9-6 Troubleshooting System and Network Problems with Linux

Troubleshooting Boot Processes

Listing Users on the System

Network Security

Enabling and Disabling Boot Services

9-7 Managing the Linux System

Summary

Questions and Problems

Chapter 10 Internet Routing

Chapter Outline

Objectives

Key Terms

Introduction

10-1 Internet Routing—BGP

Configuring a WAN Connection

Configuring an Internet Connection

10-2 Configuring BGP

Configuring BGP

Networking Challenge: BGP

10-3 BGP Best Path Selection

10-4 IPv6 over the Internet

10-5 Configure BGP on JUNIPER Routers

Summary

Questions and Problems

Chapter 11 Voice over IP

Chapter Outline

Objectives

Key Terms

Introduction

11-1 The Basics of Voice over IP

11-2 Voice over IP Networks

Replacing an Existing PBX Tie Line

Upgrading Existing PBXs to Support IP Telephony

Switching to a Complete IP Telephony Solution

11-3 Quality of Service

Jitter

Network Latency

Queuing

QOS Configuration Example

11-4 Analyzing VoIP Data Packets

Analyzing VoIP Telephone Call Data Packets

11-5 VoIP Security

Summary

Questions and Problems

Key Terms Glossary

Index