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 VMware ESX
配置Citrix ADC Virtual Appliances to use VMXNET3 Network Interface
配置Citrix ADC Virtual Appliances to use Single Root I/O Virtualization (SR-IOV) Network Interface
Migrating the Citrix ADC VPX from E1000 to SR-IOV or VMXNET3 Network Interfaces
配置Citrix ADC Virtual Appliances to use PCI Passthrough Network Interface
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
配置Citrix ADC Virtual Appliances to Use SR-IOV Network Interface
配置Citrix ADC Virtual Appliances to use PCI Passthrough Network Interface
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
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
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 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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Synchronizing Configuration Files in a High Availability Setup
Restricting High-Availability Synchronization Traffic to a VLAN
Configuring High Availability Nodes in Different Subnets
Managing High Availability Heartbeat Messages on a Citrix ADC Appliance
Remove and Replace a Citrix ADC in a High Availability Setup
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Configuring high availability nodes in different subnets
的following figure shows an HA deployment with the two systems located in different subnets:
Figure 1. High Availability over a Routed Network
In the figure, the systems NS1 and NS2 are connected to two separate routers, R3 and R4, on two different subnets. The Citrix ADC appliances exchange heartbeat packets through the routers. This configuration could be expanded to accommodate deployments involving any number of interfaces.
Note:
If you use static routing on your network, you must add static routes between all the systems to ensure that heartbeat packets are sent and received successfully. (If you use dynamic routing on your systems, static routes are unnecessary.)
If the nodes in an HA pair reside on two separate networks, the primary and secondary node must have independent network configurations. This means that nodes on different networks cannot share entities such as SNIP address, VLANs, and routes. This type of configuration, where the nodes in an HA pair have different configurable parameters, is known as Independent Network Configuration (INC) or Symmetric Network Configuration (SNC).
的following table summarizes the configurable entities and options for an INC, and shows how they must be set on each node.
NetScaler entities | Options |
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IPs (NSIP/SNIPs) | Node-specific. Active only on that node. |
VIPs | Floating. |
VLANs | Node-specific. Active only on that node. |
Routes | Node-specific. Active only on that node. Link load balancing routes are floating. |
ACLs | Floating (Common). Active on both nodes. |
Dynamic routing | Node-specific. Active only on that node. The secondary node should also run the routing protocols and peer with upstream routers. |
L2 mode | Floating (Common). Active on both nodes. |
L3 mode | Floating (Common). Active on both nodes. |
Reverse NAT (RNAT) | RNAT configuration with the NAT IP address set to a virtual server IP address (VIP) because the VIP address is floating (common). |
As in configuring HA nodes in the same subnet, to configure HA nodes in different subnets, you log on to each of the two Citrix ADC appliances and add a remote node representing the other appliance.
Adding a Remote Node
When two nodes of an HA pair reside on different subnets, each node must have a different network configuration. Therefore, to configure two independent systems to function as an HA pair, you must specify INC mode during the configuration process.
当你add an HA node, you must disable the HA monitor for each interface that is not connected or not being used for traffic. For CLI users, this is a separate procedure.
To add a node by using the command line interface
At the command prompt, type:
add ha node
-inc ENABLED show ha node
Example
> add ha node 3 10.102.29.170 -inc ENABLED Done > add ha node 3 1000:0000:0000:0000:0005:0600:700a:888b Done
To disable an HA monitor by using the command line interface
At the command prompt, type:
set interface
[-haMonitor ( **ON** | **OFF** )] show interface
Example
> set interface 1/3 -haMonitor OFF Done
To add a remote node by using the GUI
- Navigate toSystem>High Availabilityand, on theNodestab, add a new remote node.
- Make sure to select the Turn off HA monitor on interfaces/channels that are down and Turn on INC (Independent Network Configuration) mode on self mode options.
Removing a Node
If you remove a node, the nodes are no longer in high availability configuration.
To remove a node by using the command line interface
At the command prompt, type:
rm ha node
Example
> rm ha node 2 Done
To remove a node by using the GUI
Navigate toSystem>High Availabilityand, on theNodestab, delete the node.
Note:
You can use the Network Visualizer to view the Citrix ADC appliances that are configured as a high availability (HA) pair and perform high availability configuration tasks.
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