Book Image

Implementing NetScaler VPX??? - Second Edition

By : Marius Sandbu
Book Image

Implementing NetScaler VPX??? - Second Edition

By: Marius Sandbu

Overview of this book

With a large demand for responsive websites and availability of services, IT administrators are faced with an ever-rising need for services that are optimized for speed. NetScaler VPX is a software-based virtual appliance that provides users with the comprehensive NetScaler feature set. Implementing apps and cloud-based services is much easier with its increased service performance and integrated security features. This book will give you an insight into all the new features that NetScaler VPX™ has to offer. Starting off with the basics, you will learn how to set NetScaler up and configure it in a virtual environment including the new features available in version 11, such as unified gateway and portal theme customization. Next, the book will cover how to deploy NetScalar on Azure and Amazon, and you will also discover how to integrate it with an existing Citrix infrastructure. Next, you will venture into other topics such as load balancing Microsoft and Citrix solutions, configuring different forms of high availability Global Server Load Balancing (GSLB), and network optimization. You will also learn how to troubleshoot and analyze data using NetScaler's extensive array of features. Finally, you will discover how to protect web services using an application firewall and will get to grips with other features such as HTTP, DOS, and AAA.
Table of Contents (15 chapters)
Implementing NetScaler VPX™ Second Edition
About the Author
About the Reviewer

Traffic analysis with NetScaler® tools and Wireshark

There are times when you need to get your hands dirty to troubleshoot something in a detailed sense to find out what is actually wrong. For example, why you are having trouble with NetScaler, why a client is having trouble connecting, or why the network is not working as it should.

NetScaler has a number of built-in tools that we can use to gather information for basic troubleshooting. For example, we have the regular tools such as ping and traceroute to verify network connectivity. We also have commands as follows:

show connectiontable

This allows us to show connections in real time, which also can be used in conjunction with grep to make it easier to see if a particular client has a correct connection with NetScaler, for instance:

Show connectiontable | grep -I "" | grep –I "HTTP"

This will only display connections that are from and are running over the HTTP protocol. We can also use the show command for other...