CNS-220 Citrix NetScaler Essentials and Traffic Management

Course Description

The primary focus of this course is to provide the foundational concepts and skills necessary to implement, configure, secure, monitor, optimize, and troubleshoot a Citrix NetScaler system for application delivery.

Target Audience

This course is designed for Network Administrators/Engineers, Citrix Administrators, Operations Engineers, Systems Administrators/Engineers and Cloud Administrators/Engineers who are new to the NetScaler platform.

Format/Duration

Online Live
5 Days

Course Outline

1 – Getting Started

Introduction to the NetScaler System
TriScale NetScaler Use Cases
NetScaler Functionality
NetScaler Overview
Product Features
NetScaler Operating System Overview
nCore Configuration Architecture
NetScaler File system
Deployment Scenarios
Logging in to the NetScaler System
NetScaler Licenses

2 – Basic Networking

OSI Networking Model
NetScaler Architecture Overview
NetScaler-Owned IP Addresses
Network Topology
NetScaler Network Interfaces
Virtual Local Area Networks (VLANs)
IP Routing
Determining the Source IP Address
Packet Forwarding
Use Source IP Mode
Client-IP HTTP Header Insertion
Path MTU Discovery
Link Aggregation
Access Control Lists
Network Address Translation (NAT)

3 – NetScaler Platforms

Architecture and General Concepts
Hardware Platforms
Hardware Components
MPX Overview
VPX Overview
CPX Overview
SDX Overview
Identify the unique capabilities and functionality of the NetScaler SDX platform
Identify the networking characteristics of the NetScaler SDX platform
Explain the process of provisioning and administration of NetScaler VPX instances on a NetScaler SDX appliance

4 – High Availability

High Availability Functionality High Availability Node Configuration
Propagation and Synchronization
Failover, Route Monitors, Fail Safe
Propagation, Synchronization
High Availability Management
Performing an Upgrade
Troubleshooting
Upgrading HA pair

5 – Load Balancing

Local Load Balancing concepts
Naming conventions
Persistence
Service Types
LB Methods
Disabling Entities
Diagnostics/Troubleshooting
L4 vs L7 for TCP services
UDP ping vs L7
Monitor attributes Built in L7 monitors Monitors from Scripts
EAV Monitors
ECV Monitors
DataStream

6 – SSL Offload

SSL and TLS
SSL Session Process
SSL Administration
SSL Offload Overview
SSL Attacks Overview
SSL Troubleshooting
Cipher Suites
Certificate Management
Feature and Benefits
Offload Performance
Deployment Scenarios
Citrix Recommendations for SSL

7 – Securing the NetScaler

NetScaler Communication Ports
Overview of AAA
Authentication on the NetScaler
NetScaler Users
Command Policies
Admin Partitions

8 – Monitoring, Management, and Troubleshooting

Monitoring Needs
NetScaler Log Management
Simple Network Management Protocol
AppFlow on the NetScaler System
NetScaler Insight Overview
NetScaler Command Center Overview
Network Traffic Capture using NSTRACE
Troubleshooting with Filter Expressions
Decoding SSL Traffic with Wireshark
Display NetScaler System Information
NetScaler Command Line Tools

9 – AppExpert Classic Policy Engine

Policies Overview
Expression Structures
Content Filtering
Content Filtering Actions
Content Filtering Rules

10 – AppExpert Default Policy Engine

Understanding Packet-Processing Flow
Understanding Policies
Policy Process Evaluation Flow
Identifying Default Policy Expressions
Actions
Understanding Bind Points
Understanding Policy Labels
Pattern Sets
Typecasting

11 – Rewrite, Responder, and URL Transform

Configuring Rewrite Policies and Actions
Responder Actions
Respond with Responder Action for Timeouts
Responder Policies
Responder HTML Page Imports
Binding Policies
URL Transformation
URL Transformation Actions
Binding of URL Transformations

12 – Content Switching

Introduction to Content Switching
Content Switching Based on Network Characteristics
Content-Switching Virtual Servers and Load-Balancing Virtual Servers
Configuring Content-Switching Virtual Servers
Configure a Load-Balancing Setup for Content Switching
Content-Switching Policies
Content-Switching Rule Precedence With Priority Specified

13 – Global Server Load Balancing

DNS overview and records
GSLB Deployment Methods
GSLB Concepts
GSLB Entities
GSLB DNS Methods
Metric Exchange Protocol
Viewing and Configuring
GSLB with the Visualizer GSLB Persistence

14 – Optimizing Traffic

Introduction to Compression
Frontend Optimization
Surge Queue
TCP Optimization
HTTP Optimization

15 – Clustering (Optional)

How Clustering Works
Cluster Synchronization
Cluster Communication Interfaces
Striped and Spotted IP Addresses
Traffic Distribution
Cluster and Node States
NetScaler Cluster Set up
Dynamic Configuration for a Cluster Link Aggregation Group
NetScaler Cluster Management
NetScaler Cluster Troubleshooting