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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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Synchronizing Configuration Files in a High Availability Setup
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Restricting High-Availability Synchronization Traffic to a VLAN
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Managing High Availability Heartbeat Messages on a Citrix ADC Appliance
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Remove and Replace a Citrix ADC in a High Availability Setup
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Restricting high availability synchronization traffic to a VLAN
In a high availability (HA) deployment, traffic related to maintaining the HA configuration flows between the two HA nodes. This traffic is of the following types:
- Config synchronization
- Config propagation
- Connection mirroring
- Load balancing persistency config synchronization
- Persistent session synchronization
- Session state synchronization
Proper flow of this HA related traffic between the two nodes is critical for the functioning of the HA deployment. Typically, the HA related traffic is small in volume but can become very high during a failover. It becomes very high if stateful connection failover is enabled and the node that was primary before the failover was handling a large number of connections.
By default, the HA related traffic flows through the VLANs to which the NSIP address is bound. To accommodate a potential surge in this traffic, you can separate the HA related traffic from the management traffic and restrict its flow to a separate VLAN. This VLAN is called the HA SYNC VLAN.
Note:
In an HA setup, if the
tag allparameter is enabled, then the HA packets are also tagged with the VLAN traffic. However, there might be issues with the high availability communication. Therefore, it is recommended to configure NSVLAN or HA SYNC VLAN for HA traffic.
- For NSVLAN configuration, see Configuring NSVLAN.
- For HA SYNC VLAN configuration, see Configure HA SYNC VLAN.
Points to consider before Configuring an HA SYNC VLAN
- The configuration of an HA SYNC VLAN is neither propagated nor synchronized. In other words, the HA SYNC VLAN is node specific and is configured independently on each node.
- HA SYNC VLAN configuration is removed when you clear the configuration in only FULL mode.
- HA MON must be set to OFF for interfaces that are part of the HA SYNC VLAN, to avoid a situation in which both nodes function as the primary node.
- Management interfaces (for example, 0/1 and 0/2) must not be part of the HA SYNC VLAN, so that HA related traffic does not flow through management interfaces.
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Citrix recommends disabling high availability heartbeat messages on management interfaces and enabling on HA SYNC VLAN interfaces. After meeting these recommendations, high availability heartbeat messages can also be enabled on data interfaces.
For more information on disabling high availability heartbeat messages on interfaces, see Managing high availability heartbeat messages on a Citrix ADC appliance.
Configure HA SYNC VLAN
To configure an HA SYNC VLAN on a Citrix ADC node, specify a configured VLAN with the HA SYNC VLAN parameter of the local node entity.
To configure an HA SYNC VLAN on a local node by using the command line:
At the command prompt, type:
set ha node –syncvlan <VLANID>show node
Parameter Description:
syncvlan (Sync VLAN) - VLAN on which HA related traffic is sent. This includes traffic for synchronization, propagation, connection mirroring, load balancing persistency, configuration synchronization, persistent session synchronization, and session state synchronization. However, HA heartbeats can use any interface.
To configure an HA SYNC VLAN on a node by using the GUI:
- Navigate to System > High Availability.
- Set the Sync VLAN parameter while modifying the local node.
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