Chapter 8. ARP and IP Analysis

In this chapter we will cover the following issues:

  • Analyzing connectivity problems with ARP
  • Using IP traffic analysis tools
  • Using GeoIP to look up physical locations of the IP address
  • Finding fragmentation problems
  • Analyzing routing problems
  • Finding duplicate IPs
  • Analyzing DHCP problems

Introduction

In this chapter we will learn how to analyze Layer 3 (IP) and Layer 3 to Layer 2 resolution (ARP). We will discuss the Internet Protocol (IP), Address Resolution Protocol (ARP), Dynamic Host Configuration Protocol (DHCP), routing issues and others, and the problems that you might face while troubleshooting these protocols.

We will start with presenting the protocol's normal behavior for the various protocols and continue with ...

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