Getting Started with Citrix ADC
Deploy a Citrix ADC VPX instance
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
配置uring Citrix ADC Virtual Appliances to Use SR-IOV Network Interface
配置uring 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
配置uring 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
配置ure multiple IP addresses for a Citrix ADC VPX standalone instance
配置ure a high-availability setup with multiple IP addresses and NICs
配置ure a high-availability setup with multiple IP addresses and NICs by using PowerShell commands
配置ure HA-INC nodes by using the Citrix high availability template with Azure ILB
Upgrade and downgrade a Citrix ADC appliance
Authentication, authorization, and auditing application traffic
配置uring authentication, authorization, and auditing policies
配置uring Authentication, authorization, and auditing with commonly used protocols
Use an on-premises Citrix Gateway as the identity provider for Citrix Cloud
Troubleshoot authentication issues in Citrix ADC and Citrix Gateway with aaad.debug module
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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
配置ure 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 11: Isolating network traffic using listen policies
Use case 14: ShareFile wizard for load balancing Citrix ShareFile
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Authentication and authorization
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配置uring a CloudBridge Connector Tunnel between two Datacenters
配置uring CloudBridge Connector between Datacenter and AWS Cloud
配置uring a CloudBridge Connector Tunnel Between a Datacenter and Azure Cloud
配置uring CloudBridge Connector Tunnel between Datacenter and SoftLayer Enterprise Cloud
配置uring a CloudBridge Connector Tunnel Between a Citrix ADC Appliance and Cisco IOS Device
CloudBridge Connector Tunnel Diagnostics and Troubleshooting
High Availability
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High Availability
A high availability (HA) deployment of two Citrix ADC appliances can provide uninterrupted operation in any transaction. With one appliance configured as the primary node and the other as the secondary node, the primary node accepts connections and manages servers while the secondary node monitors the primary. If, for any reason, the primary node is unable to accept connections, the secondary node takes over.
The secondary node monitors the primary by sending periodic messages (often called heartbeat messages or health checks) to determine whether the primary node is accepting connections. If a health check fails, the secondary node retries the connection for a specified period, after which it determines that the primary node is not functioning normally. The secondary node then takes over for the primary (a process called failover).
在故障转移之后,所有客户必须重建ir connections to the managed servers, but the session persistence rules are maintained as they were before the failover.
With Web server logging persistence enabled, no log data is lost due to the failover. For logging persistence to be enabled, the log server configuration must carry entries for both systems in the log.conf file.
下面的图显示了一个网络配置with an HA pair.
Figure 1. Citrix ADC Appliances in a High Availability Configuration
To configure HA, you might want to begin by creating a basic setup, with both nodes in the same subnet. You can then customize the intervals at which the nodes communicate health-check information, the process by which nodes maintain synchronization, and the propagation of commands from the primary to the secondary. You can configure fail-safe mode to prevent a situation in which neither node is primary. If your environment includes devices that do not accept Citrix ADC gratuitous ARP messages, you should configure virtual MAC addresses. When you are ready for a more complex configuration, you can configure HA nodes in different subnets.
To improve the reliability of your HA setup, you can configure route monitors and create redundant links. In some situations, such as when troubleshooting or performing maintenance tasks, you might want to force a node to fail over (assign primary status to the other node), or you might want to force the secondary node to stay secondary or the primary node to stay primary.
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