Chapter 2. Basic Network Connectivity
Essentially, networking is all about connecting two nodes. A successful network connection is established between any two nodes when data can flow from one node to the other. By monitoring the behavior of this path, network administrators can isolate and diagnose network issues.
This chapter discusses the most common tools used for testing and monitoring network connectivity. All the tools discussed in this chapter are available within the operating system and do not require installation. This chapter is divided into the following two sections:
• Common network connectivity tools
— ping
— traceroute
• Miscellaneous network connectivity tools
— whois
— nslookup
— dig
— netstat
— nbtstat
— arp
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