Who Should Attend:
    This course is intended for system administrators or network administrators, who configure and administer Citrix NetScaler products.

At Course Completion:
    Upon completion of this course, learners are able to:
    - Identify deployment considerations and network placement options
    - Perform an initial configuration
    - Identify NetScaler-owned IP addresses
    - Configure virtual local area networks (VLANs)
    - Configure reverse network address translation (RNAT)
    - Configure access control lists
    - Configure high availability
    - Configure load balancing
    - Configure SSL offload
    - Configure global server load balancing (GSLB)
    - Configure NetScaler features using classic and advanced policy expressions, including:
    - Perform basic management, such as auditing, logging and monitoring

Prerequisite Comments:
    Before taking this course, Citrix recommends that learners have the following:
    Intermediate knowledge of TCP/IP and HTTP protocols and an understanding of the OSI model
    Experience with network devices such as routers and switches, various networking protocols and aspects of application and site architecture such as DMZ and VLANS
    Moderate exposure to UNIX or Linux
    Exposure to basic systems administration concepts, including logging, software upgrade procedures and high availability operations
    Familiarity with web server software such as Apache, IIS or WebSphere
    Basic knowledge of DNS, SSL, and compression concepts
    Understanding of concepts related to server load balancing and content switching
    Knowledge of network security threats and site protection concepts such as firewalls, worms, DDoS attacks

Course outline

Provided is the topic outline for CNS-203-3:
    Introducing and deploying Citrix NetScaler
        Introduction to the NetScaler system
        Planning a NetScaler deployment
        Deployment scenarios
        NetScaler platform and product editions
        Product features
        Hardware platforms and components
        NetScaler architecture overview
        Initial NetScaler access

Networking
        NetScaler-owned IP addresses
        NetScaler modes
        Network address translation
        Virtual local area networks
        Link Aggregation
        Internet Control Message Protocol
        Path MTU discovery
        Dynamic routing support and route health injection

Configuring high availability
        Introduction to high availability
        High availability node configuration
        Propagation and synchronization
        High availability management
        Securing the NetScaler system
        NetScaler system communication
        Access control lists

Configuring load balancing
        Load-balancing process
        Entity management
        Load-balancing traffic types
        Service monitoring
        Load-balancing topology, methods, and additional options
        Advanced load balancing methods
        Link load balancing
        Custom load
        Load monitor process
        Service and virtual server management
        Load Balancing Visualizer

Configuring SSL offload
        SSL and digital certificates
        SSL concepts
        SSL offload overview
        Offload performance
        SSL administration and deployment decisions
        Deployment scenarios
        Configuring SSL offload
        Creating an SSL virtual server
        Advanced SSL settings

Configuring Global Server Load Balancing
        GSLB concepts
        Metric exchange protocol
        GSLB DNS methods
        GSLB persistence
        Configuring DNS virtual servers
        GSLB configuration
        Implementing traditional GSLB, proximity-based GSLB, and GSLB failover for disaster recovery
        GSLB entity relationship
        GSLB site communication example
        Using AppExpert Classic to optimize traffic
        Policy overview and basics
        Hypertext Transfer Protocol
        Expression structures
        Content filtering
        Introduction to compression

Using AppExpert for responder, rewrite, and URL transform
        Understanding the packet processing flow
        Actions
        Understanding bind points
        Using pattern sets
        Typecasting
        Rewrite, responder, and URL transformation overview
        Identifying packet processing flow
        Basic configurations: policies and actions
        Configuring rewrite actions
        Rewrite policies
        Responder actions and policies
        Configuring URL transformation

Using AppExpert for content switching
        Introduction to content switching
        Configuring content-switching virtual servers
        Rule-based policy example
        Using AppExpert Advanced to optimize traffic
        Compression with advanced policy expressions
        Integrated caching
        Cache policies and cache expressions
        Graceful cache configuration changes
        Cache content groups and aging
        Content group settings
        FlashCache
        Global cache attributes
        Caching management
        AppExpert templates
        Policy-based routing

Management
        Simple Network Management Protocol
        SNMPv3
        Dashboard
        Reporting and monitoring tools
        Auditing and logging
        Configuring an auditing server
        Global auditing parameters
        Configuring auditing policies
        NetScaler log management
        Replacing a high availability node
        Upgrading as a standalone NetScaler system
        Upgrading a high availability pair
        Password recovery
        Network traffic capture using NSTCPDUMP
        TCPDUMP options and filter expressions
        Network traffic capture using NSTRACE.SH
        NSTRACE options and filter expressions
The CNS-203-2W course has an additional NetScaler 9.3 Features module with the following topics:
    Citrix NetScaler 9.3 Features
    New NetScaler 9.3 Features
    AppFlow
    Branch Repeater load balancing
    Remote Desktop Protocol load balancing
    Database load balancing
    OpenCloud Bridge
    Citrix Application Firewall enhancements
    DNS Security Extensions