Abstract
Due to the ever growing complexity with network design and the large quantity of data flow on today's networks, one must understand the traffic and the tools that one uses to capture and analyze that traffic. One of the most valuable tools is network monitor. This chapter deals with network monitor and describes how to use network monitor to view network traffic and identify information about the network traffic. Network Monitor is a great tool to help understand and troubleshoot connectivity problems. The chapter also discusses the identification and resolution for Internet connectivity problems. It focuses on network address translation, name resolution, and Internet protocol (IP) addressing issues. The chapter also focuses on monitoring the network traffic that is encrypted. IP security (IPSec) is based on open standards that are used to provide reliable transmission of encrypted data and authentication of data over IP. Furthermore, the chapter discusses how to use IPSec security monitor console to monitor and troubleshoot IPSec connections on the network.
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