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Getting Started with NetScaler
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Access a NetScaler
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Deploy a NetScaler VPX instance
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Optimize NetScaler VPX performance on VMware ESX, Linux KVM, and Citrix Hypervisors
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Apply NetScaler VPX configurations at the first boot of the NetScaler appliance in cloud
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Configure simultaneous multithreading for NetScaler VPX on public clouds
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Install a NetScaler VPX instance on Microsoft Hyper-V servers
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Install a NetScaler VPX instance on Linux-KVM platform
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Prerequisites for installing NetScaler VPX virtual appliances on Linux-KVM platform
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Provisioning the NetScaler virtual appliance by using OpenStack
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Provisioning the NetScaler virtual appliance by using the Virtual Machine Manager
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Configuring NetScaler virtual appliances to use SR-IOV network interface
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Configure a NetScaler VPX on KVM hypervisor to use Intel QAT for SSL acceleration in SR-IOV mode
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Configuring NetScaler virtual appliances to use PCI Passthrough network interface
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Provisioning the NetScaler virtual appliance by using the virsh Program
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Provisioning the NetScaler virtual appliance with SR-IOV on OpenStack
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Configuring a NetScaler VPX instance on KVM to use OVS DPDK-Based host interfaces
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Deploy a NetScaler VPX instance on AWS
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Deploy a VPX high-availability pair with elastic IP addresses across different AWS zones
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Deploy a VPX high-availability pair with private IP addresses across different AWS zones
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Protect AWS API Gateway using the NetScaler Web Application Firewall
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Configure a NetScaler VPX instance to use SR-IOV network interface
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Configure a NetScaler VPX instance to use Enhanced Networking with AWS ENA
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Deploy a NetScaler VPX instance on Microsoft Azure
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Network architecture for NetScaler VPX instances on Microsoft Azure
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Configure multiple IP addresses for a NetScaler VPX standalone instance
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Configure a high-availability setup with multiple IP addresses and NICs
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Configure a high-availability setup with multiple IP addresses and NICs by using PowerShell commands
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Deploy a NetScaler high-availability pair on Azure with ALB in the floating IP-disabled mode
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Configure a NetScaler VPX instance to use Azure accelerated networking
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Configure HA-INC nodes by using the NetScaler high availability template with Azure ILB
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Configure a high-availability setup with Azure external and internal load balancers simultaneously
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Configure a NetScaler VPX standalone instance on Azure VMware solution
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Configure a NetScaler VPX high availability setup on Azure VMware solution
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Configure address pools (IIP) for a NetScaler Gateway appliance
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Deploy a NetScaler VPX instance on Google Cloud Platform
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Deploy a VPX high-availability pair on Google Cloud Platform
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Deploy a VPX high-availability pair with external static IP address on Google Cloud Platform
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Deploy a single NIC VPX high-availability pair with private IP address on Google Cloud Platform
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Deploy a VPX high-availability pair with private IP addresses on Google Cloud Platform
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Install a NetScaler VPX instance on Google Cloud VMware Engine
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Solutions for Telecom Service Providers
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Load Balance Control-Plane Traffic that is based on Diameter, SIP, and SMPP Protocols
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Provide Subscriber Load Distribution Using GSLB Across Core-Networks of a Telecom Service Provider
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Authentication, authorization, and auditing application traffic
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Basic components of authentication, authorization, and auditing configuration
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Web Application Firewall protection for VPN virtual servers and authentication virtual servers
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On-premises NetScaler Gateway as an identity provider to Citrix Cloud
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Authentication, authorization, and auditing configuration for commonly used protocols
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Troubleshoot authentication and authorization related issues
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Configure DNS resource records
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Configure NetScaler as a non-validating security aware stub-resolver
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Jumbo frames support for DNS to handle responses of large sizes
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Caching of EDNS0 client subnet data when the NetScaler appliance is in proxy mode
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Use case - configure the automatic DNSSEC key management feature
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Use Case - configure the automatic DNSSEC key management on GSLB deployment
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Persistence and persistent connections
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Advanced load balancing settings
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Gradually stepping up the load on a new service with virtual server–level slow start
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Protect applications on protected servers against traffic surges
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Retrieve location details from user IP address using geolocation database
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Use source IP address of the client when connecting to the server
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Use client source IP address for backend communication in a v4-v6 load balancing configuration
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Set a limit on number of requests per connection to the server
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Configure automatic state transition based on percentage health of bound services
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Use case 2: Configure rule based persistence based on a name-value pair in a TCP byte stream
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Use case 3: Configure load balancing in direct server return mode
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Use case 6: Configure load balancing in DSR mode for IPv6 networks by using the TOS field
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Use case 7: Configure load balancing in DSR mode by using IP Over IP
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Use case 10: Load balancing of intrusion detection system servers
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Use case 11: Isolating network traffic using listen policies
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Use case 12: Configure Citrix Virtual Desktops for load balancing
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Use case 13: Configure Citrix Virtual Apps and Desktops for load balancing
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Use case 14: ShareFile wizard for load balancing Citrix ShareFile
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Use case 15: Configure layer 4 load balancing on the NetScaler appliance
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Authentication and authorization for System Users
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Configuring a CloudBridge Connector Tunnel between two Datacenters
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Configuring CloudBridge Connector between Datacenter and AWS Cloud
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Configuring a CloudBridge Connector Tunnel Between a Datacenter and Azure Cloud
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Configuring CloudBridge Connector Tunnel between Datacenter and SoftLayer Enterprise Cloud
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Configuring a CloudBridge Connector Tunnel Between a NetScaler Appliance and Cisco IOS Device
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CloudBridge Connector Tunnel Diagnostics and Troubleshooting
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Access a NetScaler appliance
A NetScaler appliance has both a command line interface (CLI) and a GUI. The GUI includes a configuration utility for configuring the appliance and a statistical utility, called Dashboard. For initial access, all appliances ship with the default NetScaler IP address (NSIP) of 192.168.100.1 and the default subnet mask of 255.255.0.0. You can assign a new NSIP and an associated subnet mask during initial configuration.
If you encounter an IP address conflict when deploying multiple NetScaler units, check for the following possible causes:
- Did you select an NSIP that is an IP address already assigned to another device on your network?
- Did you assign the same NSIP to multiple NetScaler appliances?
- The NSIP is reachable on all physical ports. The ports on a NetScaler are host ports, not switch ports.
The following table summarizes the available access methods.
Access Method | Port | Default IP Address Required? (Y/N) |
---|---|---|
CLI | Console | N |
CLI and GUI | Ethernet | Y |
Command line interface
Access the CLI locally by connecting a workstation to the console port, or remotely by connecting through the secure shell (SSH) from any workstation on the same network.
Log on to the Command Line Interface through the Console Port
The appliance has a console port for connecting to a computer workstation. To log on to the appliance, you need a serial crossover cable and a workstation with a terminal emulation program.
To log on to the CLI through the console port, follow these steps:
- Connect the console port to a serial port on the workstation. For more information, see Connect the console cable.
- On the workstation, start HyperTerminal or any other terminal emulation program. If the logon prompt does not appear, you might have to press ENTER one or more times to display it.
- In User Name, type
nsroot
. In Password, typensroot
and if that password does not work, try typing the serial number of the appliance. The serial number bar code is available at the back of the appliance.
Log on to the Command Line Interface by using SSH
The SSH protocol is the preferred remote access method for accessing an appliance remotely from any workstation on the same network. You can use either SSH version 1 (SSH1) or SSH version 2 (SSH2.)
If you do not have a working SSH client, you can download and install any of the following SSH client programs:
-
PuTTY
Open Source software supported on multiple platforms. Available at:
-
Vandyke
Software SecureCRTCommercial software supported on the Windows platform. Available at:
These programs are tested by the NetScaler team, who have verified that they work correctly with a NetScaler appliance. Other programs might also work correctly, but have not been tested.
To verify that the SSH client is installed properly, use it to connect to any device on your network that accepts SSH connections.
To log on to a NetScaler appliance by using an SSH client, follow these steps:
- On your workstation, start the SSH client.
- For initial configuration, use the default IP address (NSIP), which is 192.168.100.1. For subsequent access, use the NSIP that was assigned during initial configuration. Select either SSH1 or SSH2 as the protocol.
- In User Name, type
nsroot
. In Password, typensroot
and if that password does not work, try typing the serial number of the appliance. The serial number bar code is available at the back of the appliance. For example.
login as: nsroot
Using keyboard-interactive authentication.
Password:
Last login: Tue Jun 16 10:37:28 2009 from 10.102.29.9
Done
>
<!--NeedCopy-->
NetScaler GUI
Important:
A certificate-key pair is required for HTTPS access to the Citric ADC GUI. On the ADC, a certificate-key pair is automatically bound to the internal services. On an MPX or SDX appliance, the default key size is 1024 bytes, and on a VPX instance, the default key size is 512 bytes. However, most browsers today do not accept a key that is less than 1024 bytes. As a result, HTTPS access to the VPX configuration utility is blocked.
Also, if a license is not present on an MPX appliance when it starts, and you add a license later and restart the appliance, you might lose the certificate binding.
Citrix recommends that you install a certificate-key pair of at least 1024 bytes on the appliance for HTTPS access to the GUI. Also, install an appropriate license before starting the appliance.
The GUI includes a configuration utility and a statistical utility, called Dashboard, either of which you access through a workstation connected to an Ethernet port on the appliance.
The system requirements for the workstation running the GUI are as follows:
- For Windows-based workstations, a Pentium 166 MHz or faster processor.
- For Linux-based workstations, a Pentium platform running Linux kernel v2.2.12 or above, and
glibc
version 2.12–11 or later. A minimum of 32 MB RAM is required, and 48 MB RAM is recommended. The workstation must support 16-bit color mode, KDE, and KWM window managers used in conjunction, with displays set to local hosts. - For Solaris-based workstations, a Sun running either Solaris 2.6, Solaris 7, or Solaris 8.
Your workstation must have a supported web browser to access the configuration utility and Dashboard.
The following table lists the compatible browsers for NetScaler GUI version 12.1, 13.0, and 13.1:
Operating System | Browser | Versions |
---|---|---|
Windows 10 and later | Edge | 110.1587.63 and later |
Windows 10 and later | Mozilla Firefox | 102 and later |
Windows 10 and later | Chrome | 108 and later |
MAC | Mozilla Firefox | 110.0.1 and later |
MAC | Safari | 15.5 and later |
Use the NetScaler GUI
Once you log on to the configuration utility, you can configure the appliance through a graphical interface that includes context-sensitive help.
To log on to the GUI, follow these steps:
-
Open your web browser and enter the NetScaler IP (NSIP) as an HTTP address. If you have not yet set up the initial configuration, enter the default NSIP (http://192.168.100.1). The NetScaler logon page appears.
Note: If you have two NetScaler appliances in a high availability setup, do not access the GUI by entering the IP address of the secondary NetScaler appliance. If you do so and use the GUI to configure the secondary appliance, your configuration changes are not applied to the primary NetScaler appliance.
-
In the User Name text box, type
nsroot
. -
In the Password text box, type the administrative password you assigned to the
nsroot
account during initial configuration and click Login. If that password does not work, try typing the serial number of the appliance. The serial number bar code is available at the back of the appliance.To access the online help, select Help from the Help menu at the top right corner.
Use the Statistical Utility
Dashboard, the statistical utility, is a browser-based application that displays charts and tables on which you can monitor the performance of a NetScaler appliance.
To log on to Dashboard, follow these steps:
- Open your web browser and enter the NSIP as an HTTP address. The NetScaler logon page appears.
- In the User Name text box, type
nsroot
. - In the Password text box, type the administrative password you assigned to the
nsroot
account during initial configuration. If that password does not work, try typing the serial number of the appliance. The serial number bar code is available at the back of the appliance.
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