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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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Before you begin
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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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Before you begin
Before you start the upgrade or downgrade process, make sure you check the following:
- Time allocated for upgrading Citrix ADC appliances. Follow your organization’s change control procedure. Allocate twice as much time to perform the upgrades. Allocate enough time to upgrade each of the Citrix ADC appliance.
- Evaluate your organization’s support agreement. Document appliance serial number, support agreement, and contacts details for support from Citrix Technical Support or the Citrix Authorized Partner.
- The licensing framework and types of licenses. A software edition upgrade might require new licenses, such as:
- upgrading from the standard edition to the advanced edition, or
- the standard edition to the Premium edition, or
- the advanced edition to the Premium edition.
Existing Citrix ADC licenses continue to work when you upgrade to version 13.0. For more information, see Licensing.
- Check the New and deprecated commands, parameters, and SNMP OIDs.
- Check the Citrix ADC MPX Hardware Compatibility Matrix and Citrix ADC SDX Software Compatibility Matrix.
- If the Citrix ADC Gateway logon page is customized, then make sure that the UI theme is set to default.
- If you are upgrading LOM, review the LOM Firmware Upgrade page.
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Download the Citrix ADC firmware from the Citrix ADC Downloads. For the detailed steps to download the Citrix ADC firmware, see the Download a Citrix ADC release package.
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Back up files. Perform a backup of the configuration file, customization file, certificates, monitor scripts, license files, and so on either manually or refer to the following documentation for back-up using Citrix ADC CLI or GUI - Backup and restore.
- Refer to the following list for additional common customized files for back up.
/nsconfig/monitors/*.pl
/nsconfig/htmlinjection/*
/nsconfig/rc.netscaler
- Back up the customization folder. This is usually under
/var/customizations
. An example of customization is a logon page with a logo. After you have copied the customizations folder, you have to delete it from the Citrix ADC appliance, before you upgrade the appliance. Upgrading with customization in place might cause some issues.
Important: Citrix highly recommends reviewing the above backup procedures. Have an action plan in the event the update does not complete on the Citrix ADC appliance.
- Refer to the following list for additional common customized files for back up.
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Verify that there is adequate space in the /var and /flash directory for the Citrix ADC appliance before performing an upgrade. The /var requires 5 GB of free space (1 GB for the upgrade bundle + 4 GB for the upgrade process) The /flash requires enough space to copy over the new kernel, which differs between 140MB to 160MB approximately, ensure that there is atleast 250 MB free space available. For more information on clearing out the disk space in /var see, How to free space on /var directory for logging issues with a Citrix ADC appliance. For more information on clearing out the disk spaces in /flash see, https://support.citrix.com/article/CTX133587.
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Validate the integrity of the Citrix ADC appliance. If you have a Citrix ADC hardware appliance, Citrix highly recommends running
fsck
for running a disk check and validating the integrity of the Citrix ADC hard drive. In the event of an error, reset the hard disk drive and repeating the disk check command. If the error message reappears, contact Citrix Support to further investigate the issue.-
Validate the disk integrity of the hard drive using fsck command. For more information, see CTX122845.
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Validate the integrity of Citrix ADC appliance using the diagnostic bundles files and uploading the logs to Citrix Insight Service for analysis. For more information, see How to collect a technical support bundle.
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Check the Citrix ADC VPX Support matrix and usage guidelines.
- Check the FAQ section.
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It is a best practice to upgrade to one major release at a time. Do not upgrade directly to the latest version.
For example, if the Citrix ADC appliance is on release 12.0, and you want to upgrade to release 13.0, you must upgrade the appliance to release 12.1 first, and then to release 13.0.
- Verify the upgrading procedures with a test environment.
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