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 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 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 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
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 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
配置一个CloudBridge连接器之间的隧道a Citrix ADC Appliance and Virtual Private Gateway on AWS
Configuring CloudBridge Connector Tunnel between Datacenter and SoftLayer Enterprise Cloud
配置一个CloudBridge连接器之间的隧道a Citrix ADC Appliance and Cisco IOS Device
配置一个CloudBridge连接器之间的隧道a Citrix ADC Appliance and Fortinet FortiGate Appliance
CloudBridge Connector Tunnel Diagnostics and Troubleshooting
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Use case 6: Configure load balancing in DSR mode for IPv6 networks by using the TOS field
You can configure load balancing in Direct Server Return (DSR) mode for IPv6 networks by using the Type of Service (TOS) field when the Citrix ADC appliance and the servers are in different networks.
Note:The TOS field is also called the Traffic Class field.
In DSR mode, when a client sends a request to a VIP6 address on a Citrix ADC appliance, the appliance forwards this request to the server by changing the destination IPv6 address of the packet to the IPv6 address of the server and sets an encoded value of the VIP6 address in the TOS (also called traffic class) field of the IPv6 header. You can configure the server to use the information in the TOS field to derive the VIP6 address from the encoded value, which is then used as source IP address in response packets. Response traffic directly goes to the client, bypassing the appliance.
Consider an example where a load balancing virtual server LBVS1, configured on a Citrix ADC appliance NS1, is used to load balance traffic across servers S1, S2, and S3. The Citrix ADC appliance NS1 and the servers S1, S2, and S3 are in different networks so router R1 is deployed between NS1 and the servers.
The following table lists the settings used in this example.
Entities | Name |
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IPv6 address of client C1 | C1_IP (for reference purposes only) |
Load balancing virtual server on NS1 | LBVS1 |
IPv6 address of LBVS1 | LBVS1_VIP6 (for references purpose only) |
TOS value | TOS_LBVS1_VIP6 (for references purpose only) |
Service for server S1 on NS1 | SVC_S1 |
IPv6 address for server S1 | S1_IP (for references purpose only) |
Service for server S2 on NS1 | SVC_S2 |
IPv6 address for server S1 | S2_IP (for references purpose only) |
Service for server S3 on NS1 | SVC_S3 |
IPv6 address for server S1 | S3_IP (for references purpose only) |
Following is the traffic flow in the example scenario:
- Client C1 sends a request to virtual server LBVS1.
- LBVS1’s load balancing algorithm selects server S1 and the appliance opens a connection to S1. NS1 sends the request to S1 with:
- TOS field set to TOS_LBVS1_VIP6.
- Source IP address as C1_IP.
- The server S1, on receiving the request, uses the information in the TOS field to derive the LBVS1_VIP6 address, which is the IP address of the virtual server LBVS1 on NS1. The server directly sends the response to C1, bypassing the appliance, with:
- Source IP address set to the derivedLBVS1_VIP6 address so that the client communicates to the virtual server LBVS1 on NS1 and not to server S1.
To configure load balancing in DSR Mode using TOS, perform the following steps on the appliance
- Enable USIP mode globally.
- Add the servers as services.
- Configure a load balancing virtual server with a TOS value.
- Bind the services to the virtual server.
To configure load balancing in DSR Mode using TOS by using the command line interface
At the command prompt, type:
enable ns mode USIP add service
Repeat the earlier command as many times as necessary to add each server as a service on the Citrix ADC appliance.
add lb vserver -m -tosId bind lb vserver
To enable USIP mode by using the configuration utility
Navigate toSystem > Settings > Configure Modes, and selectUse Source IP Address.
To create services by using the configuration utility
Navigate toTraffic Management > Load Balancing > Services, and create a service.
To create a load balancing virtual server and bind services by using the configuration utility
- Navigate toTraffic Management > Load Balancing > Virtual Servers, and create a virtual server.
- Click in the Service section to bind a service to this virtual server.
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In this article
- To configure load balancing in DSR Mode using TOS, perform the following steps on the appliance
- To configure load balancing in DSR Mode using TOS by using the command line interface
- To enable USIP mode by using the configuration utility
- To create services by using the configuration utility
- To create a load balancing virtual server and bind services by using the configuration utility
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