Case Project 1-1: Troubleshooting Network Connectivity on a Small Network

You are asked to visit a small law firm to help troubleshoot some network connectivity problems. The law firm’s network consists of 11 workstations connected by a single 24-port hub. A senior partner describes the problem as “consistent” and explains that every morning there is a five-minute delay to connect to the main server on the network. The senior partner indicates that every user on the network has the same problem. Of course, you brought your protocol analyzer. Where should you tap into this network?

Case Project 1-2: Arguing the Case for Upgrading to IPv6

Your company just bought a new subsidiary based in Des Moines, Iowa. Although your local operation already uses IPv6 for local networking and Internet access, the new subsidiary still uses IPv4 only, internally and to access the Internet. What kinds of arguments might you use to persuade your colleagues in Des Moines to switch their network to IPv6 or to enable dual use of IPv4 and IPv6 protocols?

Case Project 1-4: Explaining Consequences of Protocol Errors and Broadcast Traffic

Explain why excessive protocol errors can be bad for a network. Likewise, explain why excessive broadcast traffic may have negative consequences.