Getting Started with Citrix ADC
Deploy a Citrix ADC VPX instance
Optimize Citrix ADC VPX performance on VMware ESX, Linux KVM, and Citrix Hypervisors
Apply Citrix ADC VPX configurations at the first boot of the Citrix ADC appliance in cloud
Install a Citrix ADC VPX instance on Microsoft Hyper-V servers
Install a Citrix ADC VPX instance on Linux-KVM platform
Prerequisites for Installing Citrix ADC VPX Virtual Appliances on Linux-KVM Platform
Provisioning the Citrix ADC Virtual Appliance by using OpenStack
Provisioning the Citrix ADC Virtual Appliance by using the Virtual Machine Manager
Configuring Citrix ADC Virtual Appliances to Use SR-IOV Network Interface
Configuring Citrix ADC Virtual Appliances to use PCI Passthrough Network Interface
Provisioning the Citrix ADC Virtual Appliance by using the virsh Program
Provisioning the Citrix ADC Virtual Appliance with SR-IOV, on OpenStack
Configuring a Citrix ADC VPX Instance on KVM to Use OVS DPDK-Based Host Interfaces
Deploy a Citrix ADC VPX instance on AWS
Deploy a VPX high-availability pair with elastic IP addresses across different AWS zones
Deploy a VPX high-availability pair with private IP addresses across different AWS zones
Configure a Citrix ADC VPX instance to use SR-IOV network interface
Configure a Citrix ADC VPX instance to use Enhanced Networking with AWS ENA
Upgrade a Citrix ADC VPX instance on AWS
Deploy a Citrix ADC VPX instance on Microsoft Azure
Configure multiple IP addresses for a Citrix ADC VPX standalone instance
Configure a high-availability setup with multiple IP addresses and NICs
Configure a high-availability setup with multiple IP addresses and NICs by using PowerShell commands
Configure a Citrix ADC VPX instance to use Azure accelerated networking
Configure HA-INC nodes by using the Citrix high availability template with Azure ILB
Configure a high-availability setup with Azure external and internal load balancers simultaneously
Configure address pools (IIP) for a Citrix Gateway appliance
Upgrade and downgrade a Citrix ADC appliance
Solutions for Telecom Service Providers
Load Balance Control-Plane Traffic that is based on Diameter, SIP, and SMPP Protocols
Provide Subscriber Load Distribution Using GSLB Across Core-Networks of a Telecom Service Provider
Authentication, authorization, and auditing application traffic
Basic components of authentication, authorization, and auditing configuration
On-premises Citrix Gateway as an identity provider to Citrix Cloud
Authentication, authorization, and auditing configuration for commonly used protocols
Troubleshoot authentication and authorization related issues
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Persistence and persistent connections
Advanced load balancing settings
Gradually stepping up the load on a new service with virtual server–level slow start
Protect applications on protected servers against traffic surges
Retrieve location details from user IP address using geolocation database
Use source IP address of the client when connecting to the server
Use client source IP address for backend communication in a v4-v6 load balancing configuration
Set a limit on number of requests per connection to the server
Configure automatic state transition based on percentage health of bound services
Use case 2: Configure rule based persistence based on a name-value pair in a TCP byte stream
Use case 3: Configure load balancing in direct server return mode
Use case 6: Configure load balancing in DSR mode for IPv6 networks by using the TOS field
Use case 7: Configure load balancing in DSR mode by using IP Over IP
Use case 10: Load balancing of intrusion detection system servers
Use case 11: Isolating network traffic using listen policies
Use case 12: Configure Citrix Virtual Desktops for load balancing
Use case 13: Configure Citrix Virtual Apps for load balancing
Use case 14: ShareFile wizard for load balancing Citrix ShareFile
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 CloudBridge Connector between Datacenter and AWS Cloud
Configuring a CloudBridge Connector Tunnel Between a Datacenter and Azure Cloud
Configuring CloudBridge Connector Tunnel between Datacenter and SoftLayer Enterprise Cloud
Configuring a CloudBridge Connector Tunnel Between a Citrix ADC Appliance and Cisco IOS Device
CloudBridge Connector Tunnel Diagnostics and Troubleshooting
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Upgrade a Citrix ADC VPX instance on AWS
You can upgrade the EC2 instance type, throughput, software edition, and the system software of a Citrix ADC VPX running on AWS. For certain types of upgrades, Citrix recommends using the High Availability Configuration method to minimize downtime.
Note:
- Citrix ADC software release 10.1.e-124.1308.e or later for a Citrix ADC VPX AMI (including both utility license and customer license) does not support the M1 and M2 instance families.
- Because of changes in VPX instance support, downgrading from 10.1.e-124 or a later release to 10.1.123.x or an earlier release is not supported.
- Most of the upgrades do not require the launch of a new AMI, and the upgrade can be done on the current Citrix ADC AMI instance. If you do want to upgrade to a new Citrix ADC AMI instance, use the high availability configuration method.
Change the EC2 instance type of a Citrix ADC VPX instance on AWS
If your Citrix ADC VPX instances are running release 10.1.e-124.1308.e or later, you can change the EC2 instance type from the AWS console as follows:
- Stop the VPX instance.
- Change the EC2 instance type from the AWS console.
- Start the instance.
You can also use the above procedure to change the EC2 instance type for a release, earlier than 10.1.e-124.1308.e, unless you want to change the instance type to M3. In that case, you must first follow the standard Citrix ADC upgrade procedure, at, to upgrade the Citrix ADC software to 10.1.e-124 or a later release, and then follow the above steps.
Upgrade the throughput or software edition of a Citrix ADC VPX instance on AWS
To upgrade the software edition (for example, to upgrade from Standard to Premium edition) or throughput (for example, to upgrade from 200 Mbps to 1000mbps), the method depends on the instance’s license.
Using a customer license (Bring-Your-Own-License)
If you are using a customer license, you can purchase and download the new license from the Citrix website, and then install the license on the VPX instance. For more information about downloading and installing a license from the Citrix website, see the VPX Licensing Guide.
Using a utility license (Utility license with hourly fee)
AWS does not support direct upgrades for fee-based instances. To upgrade the software edition or throughput of a fee based Citrix ADC VPX instance, launch a new AMI with the desired license and capacity and migrate the older instance configuration to the new instance. This can be achieved by using a Citrix ADC high availability configuration as described inUpgrade to a new Citrix ADC AMI instance by using a Citrix ADC high availability configurationsubsection in this page.
Upgrade the system software of a Citrix ADC VPX instance on AWS
If you need to upgrade a VPX instance running 10.1.e-124.1308.e or a later release, follow the standard Citrix ADC upgrade procedure atUpgrade and downgrade a Citrix ADC appliance.
If you need to upgrade a VPX instance running a release older than 10.1.e-124.1308.e to 10.1.e-124.1308.e or a later release, first upgrade the system software, and then change the instance type to M3 as follows:
- Stop the VPX instance.
- Change the EC2 instance type from the AWS console.
- Start the instance.
Upgrade to a new Citrix ADC AMI instance by using a Citrix ADC high availability configuration
To use the high availability method of upgrading to a new Citrix ADC AMI instance, perform the following tasks:
- Create a new instance with the desired EC2 instance type, software edition, throughput, or software release from the AWS marketplace.
- Configure high availability between the old instance (to be upgraded) and the new instance. After high availability is configured between the old and the new instance, configuration from the old instance is synchronized to the new instance.
- Force an HA failover from the old instance to the new instance. As a result, the new instance becomes primary and starts receiving traffic.
- Stop, and reconfigure or remove the old instance from AWS.
Prerequisites and points to consider
- Ensure you understand how high availability works between two Citrix ADC VPX instances on AWS. For more information about high availability configuration between two Citrix ADC VPX instances on AWS, seeDeploy a high availability pair on AWS.
- 您必须创建新实例在相同的效果ability zone as the old instance, having the exact same security group and subnet.
- High availability setup requires access and secret keys associated with the user’s AWS Identity and Access Management (IAM) account for both instances. If the correct key information is not used when creating VPX instances, the HA setup fails. For more information about creating an IAM account for a VPX instance, seePrerequisites.
- You must use the EC2 console to create the new instance. You cannot use the AWS 1-click launch, because it does not accept the access and secret keys as the input.
- The new instance must have only one ENI interface.
升级Citrix ADC VPX实例通过使用一个嗨gh availability configuration, follow these steps:
Configure high availability between the old and the new instance. To configure high availability between two Citrix ADC VPX instances, at the command prompt of each instance, type:
add ha node
save config
Example:
At the command prompt of the old instance, type:
添加ha节点30192.0.2.30 Done
At the command prompt of the new instance, type:
add ha node 10 192.0.2.10 Done
Note the following:
- In the HA setup, the old instance is the primary node and the new instance is the secondary node.
- The NSIP IP address is not copied from the old instance to the new instance. Therefore, after the upgrade, your new instance has a different management IP address from the previous one.
- The
nsroot
account password of the new instance is set to that of the old instance after HA synchronization.
For more information about high availability configuration between two Citrix ADC VPX instances on AWS, seeDeploy a high availability pair on AWS.
Force an HA failover. To force a failover in a high availability configuration, at the command prompt of either of the instances, type:
force HA failover
As the result of forcing a failover, the ENIs of the old instance are migrated to the new instance and traffic flows through the new instance (the new primary node). The old instance (the new secondary node) restarts.
If the following warning message appears, type N to abort the operation:
[WARNING]:Force Failover may cause configuration loss, peer health not optimum. Reason(s): HA version mismatch HA heartbeats not seen on some interfaces Please confirm whether you want force-failover (Y/N)?
The warning message appears because the system software of the two VPX instances is not HA compatible. As a result, the configuration of the old instance cannot be automatically synced to the new instance during a forced failover.
Following is the workaround for this issue:
At the Citrix ADC shell prompt of the old instance, type the following command to create a backup of the configuration file (ns.conf):
copy /nsconfig/ns.conf to /nsconfig/ns.conf.bkp
Remove the following line from the backup configuration file (ns.conf.bkp):
set ns config -IPAddress
-netmask
For example,
set ns config -IPAddress 192.0.2.10 -netmask 255.255.255.0
Copy the old instance’s backup configuration file (ns.conf.bkp) to the /nsconfig directory of the new instance.
At the Citrix ADC shell prompt of the new instance, type the following command to load the old instance’s configuration file (ns.conf.bkp) on the new instance:
batch -f /nsconfig/ns.conf.bkp
Save the configuration on the new instance.
save conifg
At the command prompt of either of the nodes, type the following command to force a failover, and then type Y for the warning message to confirm the force failover operation:
force ha failover
Example:
> force ha failover WARNING]:Force Failover may cause configuration loss, peer health not optimum. Reason(s): HA version mismatch HA heartbeats not seen on some interfaces Please confirm whether you want force-failover (Y/N)? Y
Remove the HA configuration, so that the two instances are no longer in an HA configuration. First remove the HA configuration from the secondary node and then remove the HA configuration from the primary node.
To remove an HA configuration between two Citrix ADC VPX instances, at the command prompt of each instance, type:
> remove ha node \
> save config For more information about high availability configuration between two VPX instances on AWS, seeDeploy a high availability pair on AWS.
Example:
At the command prompt of the old instance (new secondary node), type:
> remove ha node 30 Done > save config Done
At the command prompt of the new instance (new primary node), type:
> remove ha node 10 Done > save config Done
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In this article
- Change the EC2 instance type of a Citrix ADC VPX instance on AWS
- Upgrade the throughput or software edition of a Citrix ADC VPX instance on AWS
- Upgrade the system software of a Citrix ADC VPX instance on AWS
- Upgrade to a new Citrix ADC AMI instance by using a Citrix ADC high availability configuration
- Prerequisites and points to consider
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