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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 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 NetScaler VPX standalone 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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Deploy a NetScaler VPX standalone instance on AWS
You can deploy a NetScaler VPX standalone instance on AWS by using the following options:
- AWS web console
- Citrix-authored CloudFormation template
- AWS CLI
This topic describes the procedure for deploying a NetScaler VPX instance on AWS.
Before you start your deployment, read the following topics:
Deploy a NetScaler VPX instance on AWS by using the AWS web console
You can deploy a NetScaler VPX instance on AWS through the AWS web console. The deployment process includes the following steps:
- Create a Key Pair
- Create a Virtual Private Cloud (VPC)
- Add more subnets
- Create security groups and security rules
- Add route tables
- Create an internet gateway
- Create a NetScaler VPX instance
- Create and attach more network interfaces
- Attach elastic IPs to the management NIC
- Connect to the VPX instance
Step 1: Create a key pair.
Amazon EC2 uses a key pair to encrypt and decrypt logon information. To log on to your instance, you must create a key pair, specify the name of the key pair when you launch the instance, and provide the private key when you connect to the instance.
When you review and launch an instance by using the AWS Launch Instance wizard, you are prompted to use an existing key pair or create a new key pair. More more information about how to create a key pair, see Amazon EC2 Key Pairs.
Step 2: Create a VPC.
A NetScaler VPC instance is deployed inside an AWS VPC. A VPC allows you to define the virtual network dedicated to your AWS account. For more information about AWS VPC, see Getting Started With Amazon VPC.
While creating a VPC for your NetScaler VPX instance, keep the following points in mind.
- Use the VPC with a Single Public Subnet Only option to create an AWS VPC in an AWS availability zone.
- Citrix recommends that you create at least three subnets, of the following types:
- One subnet for management traffic. You place the management IP(NSIP) on this subnet. By default elastic network interface (ENI) eth0 is used for management IP.
- One or more subnets for client-access (user-to-NetScaler VPX) traffic, through which clients connect to one or more virtual IP (VIP) addresses assigned to NetScaler load balancing virtual servers.
- One or more subnets for the server-access (VPX-to-server) traffic, through which your servers connect to VPX-owned subnet IP (SNIP) addresses. For more information about NetScaler load balancing and virtual servers, virtual IP addresses (VIPs), and subnet IP addresses (SNIPs), see:
- All subnets must be in the same availability zone.
Step 3: Add subnets.
When you used the VPC wizard, only one subnet was created. Depending on your requirement, you might want to create more subnets. For more information about how to create more subnets, see Adding a Subnet to Your VPC.
Step 4: Create security groups and security rules.
To control inbound and outbound traffic, create security groups and add rules to the groups. For more information how to create groups and add rules, see Security Groups for Your VPC.
For NetScaler VPX instances, the EC2 wizard gives default security groups, which are generated by AWS Marketplace and is based on recommended settings by Citrix. However, you can create more security groups based on your requirements.
Note
Port 22, 80, 443 to be opened on the Security group for SSH, HTTP, and HTTPS access respectively.
Step 5: Add route tables.
Route table contains a set of rules, called routes, that are used to determine where network traffic is directed. Each subnet in your VPC must be associated with a route table. For more information about how to create a route table, see Route Tables.
Step 6: Create an internet gateway.
An internet gateway serves two purposes: to provide a target in your VPC route tables for internet-routable traffic, and to perform network address translation (NAT) for instances that have been assigned public IPv4 addresses.
Create an internet gateway for internet traffic. For more information about how to create an Internet Gateway, see the section Attaching an Internet Gateway.
Step 7: Create a NetScaler VPX instance by using the AWS EC2 service.
To create a NetScaler VPX instance by using the AWS EC2 service, complete the following steps.
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From the AWS dashboard, go to Compute > EC2 > Launch Instance > AWS Marketplace.
Before you click Launch Instance, ensure your region is correct by checking the note that appears under Launch Instance.
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In the Search AWS Marketplace bar, search with the keyword NetScaler VPX.
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Select the version you want to deploy and then click Select. For the NetScaler VPX version, you have the following options:
- A licensed version
- NetScaler VPX Express appliance (This is a free virtual appliance, which is available from NetScaler 12.0 56.20.)
- Bring your own device
The Launch Instance wizard starts. Follow the wizard to create an instance. The wizard prompts you to:
- Choose Instance Type
- Configure Instance
- Add Storage
- Add Tags
- Configure Security Group
- Review
Step 8: Create and attach more network interfaces.
Create two more network interfaces for VIP and SNIP. For more information about how to create more network interfaces, see the Creating a Network Interface section.
After you’ve created the network interfaces, you must attach them to the VPX instance. Before attaching the interface, shut down the VPX instance, attach the interface, and power on the instance. For more information about how to attach network interfaces, see the Attaching a Network Interface When Launching an Instance section.
Step 9: Allocate and associate elastic IPs.
If you assign a public IP address to an EC2 instance, it remains assigned only until the instance is stopped. After that, the address is released back to the pool. When you restart the instance, a new public IP address is assigned.
In contrast, an elastic IP (EIP) address remains assigned until the address is disassociated from an instance.
Allocate and associate an elastic IP for the management NIC. For more information about how to allocate and associate elastic IP addresses, see these topics:
These steps complete the procedure to create a NetScaler VPX instance on AWS. It can take a few minutes for the instance to be ready. Check that your instance has passed its status checks. You can view this information in the Status Checks column on the Instances page.
Step 10: Connect to the VPX instance.
After you’ve created the VPX instance, you connect the instance by using the GUI and an SSH client.
- GUI
The following are the default administrator credentials to access a NetScaler VPX instance
User name: nsroot
Password: The default password for the ns root account is set to the AWS instance-ID of the NetScaler VPX instance. On your first logon, you are prompted to change the password for security reasons. After changing the password, you must save the configuration. If the configuration is not saved and the instance restarts, you must log on with the default password. Change the password again at the prompt.
- SSH client
From the AWS management console, select the NetScaler VPX instance and click Connect. Follow the instructions given on the Connect to Your Instance page.
For more information about how to deploy a NetScaler VPX standalone instance on AWS by using the AWS web console, see:
- Scenario: standalone instance
- How to configure a NetScaler VPX instance on AWS by using Citrix CloudFormation template
Configure a NetScaler VPX instance by using the Citrix CloudFormation template
You can use the Citrix-provided CloudFormation template to automate VPX instance launch. The template provides functionality to launch a single NetScaler VPX instance, or to create a high availability environment with a pair of NetScaler VPX instances.
You can launch the template from AWS Marketplace or GitHub.
The CloudFormation template requires an existing VPC environment, and it launches a VPX instance with three elastic network interfaces (ENIs). Before you start the CloudFormation template, ensure that you complete the following requirements:
- An AWS virtual private cloud (VPC)
- Three subnets within the VPC: one for management, one for client traffic, and one for back-end servers
- An EC2 key pair to enable SSH access to the instance
- A security group with UDP 3003, TCP 3009–3010, HTTP, SSH ports open
See the “Deploy a NetScaler VPX Instance on AWS by Using the AWS Web Console” section or AWS documentation for more information about how to complete the prerequisites.
Watch this video to learn about how to configure and launch a NetScaler VPX standalone instance by using the Citrix CloudFormation template available in the AWS Marketplace.
Further, you configure and launch a NetScaler VPX Express standalone instance by using the Citrix CloudFormation template available in GitHub:
https://github.com/citrix/citrix-adc-aws-cloudformation/tree/master/templates/standalone/
An IAM role is not mandatory for a standalone deployment. However, Citrix recommends that you create and attach an IAM role with the required privileges to the instance, for future need. The IAM role ensures that the standalone instance is easily converted to a high availability node with SR-IOV, when required.
For more information about the required privileges, see Configuring NetScaler VPX instances to Use SR-IOV Network Interface.
Note If you deploy a NetScaler VPX instance on AWS by using the AWS web console, the CloudWatch service is enabled by default. If you deploy a NetScaler VPX instance by using the Citrix CloudFormation template, the default option is “Yes.” If you want to disable the CloudWatch service, select “No.” For more information, see Monitor your instances using Amazon CloudWatch
Configure a NetScaler VPX instance by using the AWS CLI
You can use the AWS CLI to launch instances. For more information, see the AWS Command Line Interface Documentation.
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