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Getting Started with 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 VMware ESX
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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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Install a NetScaler VPX instance on VMware ESX
Before installing NetScaler VPX instances on VMware ESX, make sure the VMware ESX Server is installed on a machine with adequate system resources. To install a NetScaler VPX instance on VMware ESXi, you use the VMware vSphere client. The client or tool must be installed on a remote machine that can connect to VMware ESX through the network.
This section includes the following topics:
- Prerequisites
- Installing a NetScaler VPX instance on VMware ESX
Important:
You can’t install standard VMware Tools or upgrade the VMware Tools version available on a NetScaler VPX instance. VMware Tools for a NetScaler VPX instance are delivered as part of the NetScaler software release.
Prerequisites
Before you begin installing a virtual appliance, do the following:
- Install VMware ESX on hardware that meets the minimum requirements.
- Install VMware Client on a management workstation that meets the minimum system requirements.
- Download the NetScaler VPX appliance setup files.
- Create a virtual switch and attach the physical NIC to the virtual switch.
- Add port group and attach to the virtual switch.
- Attach the port group to the VM.
- Obtain VPX license files. For more information about NetScaler VPX instance licenses, see Licensing overview.
VMware ESX hardware requirements
The following table describes the minimum system requirements for VMware ESX servers running NetScaler VPX nCore virtual appliance.
Table 1. Minimum system requirements for a VMware ESX server running a NetScaler VPX instance
Component | Requirement |
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CPU | 2 or more 64-bit x86 CPUs with virtualization assist (Intel-VT) enabled. To run a NetScaler VPX instance, hardware support for virtualization must be enabled on the VMware ESX host. Make sure that the BIOS option for virtualization support isn’t disabled. For more information, see your BIOS documentation. From the NetScaler 13.1 release onwards, the NetScaler VPX instance on VMware ESXi hypervisor supports AMD processors. |
RAM | 2 GB VPX. For critical deployments, we do not recommend 2 GB RAM for VPX because the system operates in a memory-constrained environment. This might lead to scale, performance, or stability related issues. Recommended is 4 GB RAM or 8 GB RAM. |
Disk space | 20 GB more than the minimum server requirements from VMware for setting up ESXi. See VMware documentation for minimum server requirements. |
Network | One 1-Gbps NIC (NIC); Two 1-Gbps NICs recommended |
For information about installing VMware ESX, see VMware documentation.
For the SR-IOV network interface or PCI passthrough support, ensure that the following processors and settings are enabled:
- Intel processors supporting Intel-VT
- AMD processors supporting AMD-V
- I/O Memory Management Unit (IOMMU) or SR-IOV is enabled in BIOS
The following NICs are supported in SR-IOV mode:
- Mellanox ConnectX-4 NIC, starting from NetScaler release 13.1-42.x onwards
- Intel 82599 NIC
The following table lists the virtual computing resources that the VMware ESX server must provide for each VPX nCore virtual appliance.
Table 2. Minimum virtual computing resources required for running a NetScaler VPX instance
Component | Requirement |
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Memory | 4 GB |
Virtual CPU (vCPU) | 2 |
Virtual network interfaces | In ESX, you can install a maximum of 10 virtual network interfaces if the VPX hardware is upgraded to version 7 or higher. |
Disk space | 20 GB |
Note:
This is in addition to any disk requirements for the hypervisor.
For production use of VPX virtual appliance, the full memory allocation must be reserved. CPU cycles (in MHz) equal to at least the speed of one CPU core of the ESX must be reserved.
VMware vSphere client system requirements
VMware vSphere is a client application that can run on Windows and Linux operating systems. It can’t run on the same machine as the VMware ESX server. The following table describes the minimum system requirements.
Table 3. Minimum system requirements for VMware vSphere client installation
Component | Requirement |
---|---|
Operating system | See VMware documentation for detailed requirements. |
CPU | 750 MHz; 1 gigahertz (GHz) or faster recommended |
RAM | 1 GB. 2 GB recommended |
NIC (NIC) | 100 Mbps or faster NIC |
OVF Tool 1.0 system requirements
OVF Tool is a client application that can run on Windows and Linux systems. It can’t run on the same machine as the VMware ESX server. The following table describes the minimum system requirements.
Table 4. Minimum system requirements for OVF tool installation
Component | Requirement |
---|---|
Operating system | See VMware documentation for detailed information on OVF Tools. |
CPU | 750 MHz minimum, 1 GHz or faster recommended |
RAM | 1 GB Minimum, 2 GB recommended |
NIC (NIC) | 100 Mbps or faster NIC |
For details on installing OVF, search for the “OVF Tool User’s Guide” PDF available at VMware documentation.
Downloading the NetScaler VPX setup files
The NetScaler VPX instance setup package for VMware ESX follows the Open Virtual Machine (OVF) format standard. You can download the files from the Citrix website. You need a Citrix account to log on. If you do not have a Citrix account, access the home page at http://www.citrix.com, click the New Users link, and follow the instructions to create a Citrix account.
Once logged on, navigate the following path from the Citrix home page:
Citrix.com > Downloads > NetScaler > Virtual Appliances.
Copy the following files to a workstation on the same network as the ESX server. Copy all three files into the same folder.
- NSVPX-ESX-<release number>-<build number>-disk1.vmdk (for example, NSVPX-ESX-13.0-71.44_nc_64-disk1.vmdk)
- NSVPX-ESX-<release number>-<build number>.ovf (for example, NSVPX-ESX-13.0-71.44_nc_64.ovf)
- NSVPX-ESX-<release number>-<build number>.mf (for example, NSVPX-ESX-13.0-71.44_nc_64.mf)
Install a NetScaler VPX instance on VMware ESX
After you have installed and configured VMware ESX, you can use the VMware vSphere client to install virtual appliances on the VMware ESX server. The number of virtual appliances that you can install depends on the amount of memory available on the hardware that is running VMware ESX.
To install NetScaler VPX instances on VMware ESX by using VMware vSphere Client, follow these steps:
- Start the VMware vSphere client on your workstation.
- In the IP address / Name text box, type the IP address of the VMware ESX server that you want to connect to.
- In the User Name and Password text boxes, type the administrator credentials, and then click Login.
- On the File menu, click Deploy OVF Template.
- In the Deploy OVF Template dialog box, in Deploy from file, browse to the location at which you saved the NetScaler VPX instance setup files, select the .ovf file, and click Next.
- Map the networks shown in the virtual appliance OVF template to the networks that you configured on the ESX host. Click Next to start installing a virtual appliance on VMware ESX. When installation is complete, a pop-up window informs you of the successful installation.
- You are now ready to start the NetScaler VPX instance. In the navigation pane, select the NetScaler VPX instance that you have installed, and from the right-click menu, select Power On.
- After the VM is booted, from the console, configure the NetScaler IP, Netmask, and Gateway addresses. When you complete the configuration, select the Save and Quit option in the console.
- To install another virtual appliance, repeat from Step 6 through Step 8.
Note:
By default, the NetScaler VPX instance uses E1000 network interfaces.
After the installation, you can use the vSphere client or vSphere Web Client to manage virtual appliances on VMware ESX.
For the VLAN tagging feature to work, on the VMware ESX, set the port group’s VLAN ID to All (4095) on the vSwitch of VMware ESX server.
Migrate a NetScaler VPX instance by using VMware vMotion
You can migrate a NetScaler VPX instance by using VMware vSphere vMotion.
Follow these usage guidelines:
- VMware does not support the vMotion feature on virtual machines configured with PCI Passthrough and SR-IOV interfaces.
- Supported interfaces are E1000 and VMXNET3. To use vMotion on your VPX instance, ensure that the instance is configured with a supported interface.
- For more information about how to migrate an instance by using VMware vMotion, see the VMware documentation.
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