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Getting Started with Citrix ADC
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Deploy a Citrix ADC VPX instance
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Optimize Citrix ADC VPX performance on VMware ESX, Linux KVM, and Citrix Hypervisors
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Apply Citrix ADC VPX configurations at the first boot of the Citrix ADC appliance in cloud
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Install a Citrix ADC VPX instance on Microsoft Hyper-V servers
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Install a Citrix ADC VPX instance on Linux-KVM platform
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Prerequisites for Installing Citrix ADC VPX Virtual Appliances on Linux-KVM Platform
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Provisioning the Citrix ADC Virtual Appliance by using OpenStack
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Provisioning the Citrix ADC Virtual Appliance by using the Virtual Machine Manager
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Configuring Citrix ADC Virtual Appliances to Use SR-IOV Network Interface
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Configuring Citrix ADC Virtual Appliances to use PCI Passthrough Network Interface
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Provisioning the Citrix ADC Virtual Appliance by using the virsh Program
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Provisioning the Citrix ADC Virtual Appliance with SR-IOV, on OpenStack
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Configuring a Citrix ADC VPX Instance on KVM to Use OVS DPDK-Based Host Interfaces
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Deploy a Citrix ADC 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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Configure a Citrix ADC VPX instance to use SR-IOV network interface
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Configure a Citrix ADC VPX instance to use Enhanced Networking with AWS ENA
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Deploy a Citrix ADC VPX instance on Microsoft Azure
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Network architecture for Citrix ADC VPX instances on Microsoft Azure
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Configure multiple IP addresses for a Citrix ADC 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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Configure a Citrix ADC VPX instance to use Azure accelerated networking
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Configure HA-INC nodes by using the Citrix 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 address pools (IIP) for a Citrix Gateway appliance
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Upgrade and downgrade a Citrix ADC appliance
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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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On-premises Citrix 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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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 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 Citrix ADC 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 Citrix ADC Appliance and Cisco IOS Device
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CloudBridge Connector Tunnel Diagnostics and Troubleshooting
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Deploy a Citrix ADC VPX instance on Microsoft Azure
When you deploy a Citrix ADC VPX instance on Microsoft Azure Resource Manager (ARM), you can use both of the following feature sets to achieve your business needs:
- Azure cloud computing capabilities
- Citrix ADC load balancing and traffic management features
You can deploy Citrix ADC VPX instances on ARM either as standalone instances or as high availability pairs in active-standby modes.
You can deploy a Citrix ADC VPX instance on the Microsoft Azure in two ways:
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Through Azure Marketplace. The Citrix ADC VPX virtual appliance is available as an image in the Microsoft Azure Marketplace.
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Using the Citrix ADC Azure Resource Manager (ARM) json template available on GitHub.For more information, see the GitHub repository for Citrix NetScaler solution templates.
The Microsoft Azure stack is an integrated platform of hardware and software that delivers the Microsoft Azure public cloud services in a local data center to let organizations construct hybrid clouds. You can now deploy the Citrix ADC VPX instances on the Microsoft Azure stack.
Prerequisite
You need some prerequisite knowledge before deploying a Citrix VPX instance on Azure.
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Familiarity with Azure terminology and network details. For information, see Azure terminology.
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Knowledge of a Citrix ADC appliance. For detailed information the Citrix ADC appliance, see Citrix ADC
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Knowledge of Citrix ADC networking. See the Networking topic.
How a Citrix ADC VPX instance works on Azure
In an on-premises deployment, a Citrix ADC VPX instance requires at least three IP addresses:
- Management IP address, called NSIP address
- Subnet IP (SNIP) address for communicating with the server farm
- Virtual server IP (VIP) address for accepting client requests
For more information, see Network architecture for Citrix ADC VPX instances on Microsoft Azure.
Note
VPX virtual appliances can be deployed on any instance type that has two or more Intel VT-X cores and more than 2 GB memory. For more information on system requirements, see Citrix ADC VPX data sheet. Currently, Citrix ADC VPX instance supports only the Intel processors.
In an Azure deployment, you can provision a Citrix ADC VPX instance on Azure in three ways:
- Multi-NIC multi-IP architecture
- Single NIC multi IP architecture
- Single NIC single IP
Depending on your need, you can use any of these supported architecture types.
Multi-NIC multi-IP architecture
In this deployment type, you can have more than one network interfaces (NICs) attached to a VPX instance. Any NIC can have one or more IP configurations - static or dynamic public and private IP addresses assigned to it.
For more information, see the following use cases:
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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
Note
To avoid MAC moves and interface mutes on Azure environments, Citrix recommends you to create a VLAN per data interface (without tag) of ADC VPX instance and bind the primary IP of NIC in Azure. For more information, see CTX224626 article.
Single NIC multi IP architecture
In this deployment type, one network interfaces (NIC) associated with multiple IP configurations - static or dynamic public and private IP addresses assigned to it. For more information, see the following use cases:
- Configure multiple IP addresses for a Citrix ADC VPX standalone instance
- Configure multiple IP addresses for a Citrix ADC VPX standalone instance by using PowerShell commands
Single NIC single IP
In this deployment type, one network interfaces (NIC) associated with a single IP address, which is used to perform the functions of NSIP, SNIP, and VIP.
For more information, see the following use case:
Note
The single IP mode is available only in Azure deployments. This mode is not available for a Citrix ADC VPX instance on your premises, on AWS, or in other type of deployment.
Citrix ADC VPX licensing
A Citrix ADC VPX instance on Azure requires a license. The following licensing options are available for Citrix ADC VPX instances running on Azure.
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Subscription-based licensing: Citrix ADC VPX appliances are available as paid instances on Azure Marketplace. Subscription-based licensing is a pay-as-you-go option. Users are charged hourly.
Note
For subscription-based license instances, your subscription billing applies throughout the license period for a particular license model. Due to cloud restrictions, Azure does not support changing or removing the license model applicable for your subscription. To change or remove a subscription license, delete the existing ADC VM, and recreate a new ADC VM with desired license.
Citrix provides technical support for subscription-based license instances. To file a support case, see Support for Citrix ADC on Azure – Subscription license with hourly price.
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Bring your own license (BYOL): If you bring your own license (BYOL), see the VPX Licensing Guide at http://support.citrix.com/article/CTX122426. You have to:
- Use the licensing portal within Citrix website to generate a valid license.
- Upload the license to the instance.
Note
In an Azure stack environment, BYOL is the only available licensing option.
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Citrix ADC VPX Check-In/Check-Out licensing: For more information, see Citrix ADC VPX Check-In/Check-Out Licensing.
Starting with NetScaler release 12.0 56.20, Citrix ADC VPX Express for on-premises and cloud deployments does not require a license file. For more information on ADC VPX Express, see the “Citrix ADC VPX Express license” section in Citrix ADC licensing overview.
The following VPX models and license types are available on Azure Marketplace.
VPX model | License type | Recommended instances | ||
---|---|---|---|---|
VPX 1 NIC/2 NIC | VPX 3 NIC | VPX upto 8 NIC | ||
VPX200 | Advanced | Standard_D2s_v4 | Standard_DS3_v2 | Standard_DS4_v2 |
VPX1000 | Premium | Standard_D4s_v4 | Standard_DS3_v2 | Standard_DS4_v2 |
VPX5000 | Premium | Standard_D8ds_v5 | Standard_D8ds_v5 | Standard_DS4_v2 |
VPX BYOL
|
Customer Licensed | -
|
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|
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FIPS - Customer Licensed |
Note:
The recommended instances for VPX BYOL depends on the VPX license that you have purchased.
Points to note:
- You must enable Azure accelerated networking on NetScaler VPX instances to get the optimal performance on the following VPX models:
- VPX1000
- VPX5000
For more information on configuring Accelerated networking, see Configure a Citrix ADC VPX instance to use Azure accelerated networking.
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The VPX8000 and VPX10000 licenses are available only as BYOL.
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Regardless of the subscription-based hourly license bought from Azure Marketplace, in rare cases, the Citrix ADC VPX instance deployed on Azure might come up with a default Citrix ADC license. This happens due to issues with the Azure Instance Metadata Service (IMDS).
- Do a warm restart, before making any configuration change on the Citrix ADC VPX instance, to enable the correct Citrix ADC VPX license.
Limitations
Running the Citrix ADC VPX load balancing solution on ARM imposes the following limitations:
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The Azure architecture does not accommodate support for the following NetScaler features:
- IPv6
- Gratuitous ARP (GARP)
- L2 Mode
- Tagged VLAN
- Dynamic Routing
- virtual MAC
- USIP
- Jumbo Frames
- Clustering
Note
With the Citrix Application Delivery Management (ADM) Autoscale feature (cloud deployment), the ADC instances support clustering on all licenses. For information, see Autoscaling of Citrix ADC VPX in Microsoft Azure using Citrix ADM.
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If you expect that you might have to shut down and temporarily deallocate the Citrix ADC VPX virtual machine at any time, assign a static Internal IP address while creating the virtual machine. If you do not assign a static internal IP address, Azure might assign the virtual machine a different IP address each time it restarts, and the virtual machine might become inaccessible.
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In an Azure deployment, only the following Citrix ADC VPX models are supported: VPX 10, VPX 200, VPX 1000, and VPX 3000. For for information, see the Citrix ADC VPX Data Sheet.
If you use a Citrix ADC VPX instance with a model number higher than VPX 3000, the network throughput might not be the same as specified by the instance’s license. However, other features such as SSL throughput and SSL transactions per second might improve.
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The “deployment ID” that is generated by Azure during virtual machine provisioning is not visible to the user in ARM. You cannot use the deployment ID to deploy Citrix ADC VPX appliance on ARM.
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The Citrix ADC VPX instance supports 20 Mb/s throughput and standard edition features when it’s initialized.
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The Citrix ADC VPX instances on Azure with accelerated networking enabled, provides better performance. Azure accelerated networking is supported on Citrix ADC VPX instances from release 13.0 build 76.x onwards. To enable accelerated networking on ADC VPX, Citrix recommends you to use an Azure instance type which supports accelerated networking.
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For Citrix Virtual Apps and Citrix Virtual Desktops deployment, a VPN virtual server on a VPX instance can be configured in the following modes:
- Basic mode, where the
ICAOnly
VPN virtual server parameter is set to ON. The Basic mode works fully on an unlicensed Citrix ADC VPX instance. - SmartAccess mode, where the
ICAOnly
VPN virtual server parameter is set to OFF. The SmartAccess mode works for only five Citrix ADC AAA session users on an unlicensed Citrix ADC VPX instance.
Note
To configure the SmartControl feature, you must apply a Premium license to the Citrix ADC VPX instance.
- Basic mode, where the
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