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
箴言isioning the Citrix ADC Virtual Appliance by using OpenStack
箴言isioning 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
箴言isioning the Citrix ADC Virtual Appliance by using the virsh Program
箴言isioning 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 Microsoft Azure
Network architecture for Citrix ADC VPX instances 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 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
箴言ide 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
About Persistence
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 a CloudBridge Connector Tunnel between two Datacenters
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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About Persistence
You can choose from among any of several types of persistence for a given load balancing virtual server, which then routes to the same service all connections from the same user to your shopping cart application, web-based email, or other network application. The persistence session remains in effect for the time which you specify.
If a server participating in a persistence session goes DOWN, the load balancing virtual server uses the configured load balancing method to select a new service, and establishes a new persistence session with the server represented by that service. If the server goes OUT OF SERVICE, it continues to process existing persistence sessions, but the virtual server does not direct any new traffic to it. After the shutdown period elapses, the virtual server ceases to direct connections from existing clients to the service, closes existing connections, and redirects those clients to new services if necessary.
Depending on the persistence type you configure, the Citrix ADC appliance might examine the source IPs, destination IPs, SSL session IDs, Host or URL headers, or some combination of these things to place each connection in the proper persistence session. It might also base persistence on a cookie issued by the Web server, on an arbitrarily assigned token, or on a logical rule. Almost anything that allows the appliance to match connections with the proper persistence session and is used as the basis for persistence.
The following table summarizes the persistence types available on the Citrix ADC appliance.
Persistence Type | Description |
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Source IP | SOURCEIP. Connections from the same client IP address are parts of the same persistence session. |
HTTP Cookie | COOKIEINSERT. Connections that have the same HTTP Cookie header are parts of the same persistence session. |
SSL Session ID | SSLSESSION. Connections that have the same SSL Session ID are parts of the same persistence session. |
URL Passive | URLPASSIVE. Connections to the same URL are treated as parts of the same persistence session. |
Custom Server ID | CUSTOMSERVERID. Connections with the same HTTP HOST header are treated as parts of the same persistence session. |
Destination IP | DESTIP. Connections to the same destination IP are treated as parts of the same persistence session. |
Source and Destination IPs | SRCIPDESTIP. Connections that are both from the same source IP and to the same destination IP are treated as parts of the same persistence session. |
SIP Call ID | CALLID. Connections that have the same call ID in the SIP header are treated as parts of the same persistence session. |
RTSP Session ID | RTSPSID. Connections that have the same RTSP Session ID are treated as parts of the same persistence session. |
User-Defined Rule | RULE. Connections that match a user-defined rule are treated as parts of the same persistence session. |
Table 1. Types of Persistence
Depending on the type of persistence that you have configured, the virtual server can support either 250,000 simultaneous persistent connections or any number of persistent connections up to the limits imposed by the amount of RAM on your Citrix ADC appliance. The following table shows which types of persistence fall into each category.
Persistence Type | Number of Simultaneous Persistent Connections Supported |
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Source IP, SSL Session ID, Rule, destination IP, source IP/destination IP, SIP Call ID, RTSP Session ID | 250 K |
Cookie, URL Server ID, Custom Server ID | Memory limit. In CookieInsert, if timeout is not 0, the number of connections is limited by memory. |
Table 2. Persistence Types and Numbers of Simultaneous Connections Supported
Some types of persistence are specific to particular types of virtual server. The following table lists each type of persistence and indicates which types of persistence are supported on which types of virtual server.
Persistence Type | HTTP | HTTPS | TCP | UDP/IP | SSL_Bridge | SSL_TCP | RTSP | SIP_UDP |
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SOURCEIP | YES | YES | YES | YES | YES | YES | NO | NO |
COOKIEINSERT | YES | YES | NO | NO | NO | NO | NO | NO |
SSLSESSION | NO | YES | NO | NO | YES | YES | NO | NO |
URLPASSIVE | YES | YES | NO | NO | NO | NO | NO | NO |
CUSTOMSERVERID | YES | YES | NO | NO | NO | NO | NO | NO |
RULE | YES | YES | YES | NO | NO | NO | NO | |
SRCIPDESTIP | YES | YES | YES | YES | YES | YES | NO | NO |
DESTIP | YES | YES | YES | YES | YES | YES | NO | NO |
CALLID | NO | NO | NO | NO | NO | NO | NO | YES |
RTSPID | NO | NO | NO | NO | NO | NO | YES | NO |
Table 3. Relationship of Persistence Type to Virtual Server Type
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