Let's quickly recap what we've covered in this opening chapter. We have looked at the NetScaler folder structure and the files and folders that are most interesting from a troubleshooting perspective. Key to note was the /var/log/ns.log file, which when used with a tail -f, spews out a lot of useful information while an issue is being reproduced.

The different IP addresses that you, as an Administrator, assign to the NetScaler and their purpose. We looked at Request Switching and Connection Multiplexing, which gives the NetScaler its high performance. We looked at the different ways to interact with the NetScaler and what each UI is best for.

We looked at the various modes of operation that the NetScaler functions in and those that can be configured. Among the modes that are configurable, we noted that there are very important considerations, especially for those features that are disabled by default. As we move to the next chapter, we will look at troubleshooting areas in the features that form the bulk of NetScaler deployments.