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
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 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 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
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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gRPC End-to-End Configuration
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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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gRPC端到端configuration
的gRPC端到端configuration works by sending a gRPC request from a client over HTTP/2 protocol and again forwarding gRPC messages responded by the gRPC server.
How end-to-end gRPC configuration works
的following diagram shows a gRPC configuration works in a Citrix ADC appliance.
- To deploy the gRPC configuration, you must first enable HTTP/2 in the HTTP profile and also enable HTTP/2 support globally on server side.
- When a client sends a gRPC request, the load balancing virtual server evaluates the gRPC traffic using policies.
- Based on policy evaluation, the load balancing virtual server (with gRPC service bound to it) terminates the request and forwards it as a gRPC request to the back-end gRPC server.
- Similarly, when the gRPC server responds to the client, the appliance terminates the response and forwards it as a gRPC response to the client.
Example for gRPC request sent to gRPC server
的request header is sent as HTTP/2 headers in HEADERS+CONTINUATION Frames.
``` HEADERS (flags = END_HEADERS) : method = POST : scheme = http : path = /helloworld.citrix-adc/SayHello : authority = 10.10.10.10.:80 grpc-timeout = 15 content-type = application/grpc+proto grpc-encoding = gzip DATA (flags = END_STREAM) ```
Example for gRPC response header from gRPC server to Citrix ADC appliance
响应头& Trailers-Only交付a single HTTP/2 HEADERS frame block. Most responses are expected to have both headers and trailers but Trailers-Only is permitted for calls that produce an immediate error. Status must be sent in Trailers even if the HTTP status code is OK.
``` HEADERS (flags = END_HEADERS) : status = 200 Grpc-encoding= gzip Content-type = application/grpc+proto DATA HEADERS (flags = END_STREAM, END_HEADERS) grpc-status = 0 # OK ```
Configure gRPC by using the CLI
To configure an end-to-end gRPC deployment, you must complete the following:
- Add HTTP profile with HTTP/2 and HTTP/2 direct enabled.
- Enable global back end HTTP/2 support in HTTP parameter
- Add load balancing virtual server of type SSL/HTTP and set HTTP profile
- Add Service for gRPC endpoint and set HTTP profile
- Bind gRPC end point service to load balancing virtual server
Add HTTP profile with HTTP/2 and HTTP/2 direct enabled
您必须启用HTTP / 2和HTTP / 2直接参数s in the HTTP profile. Also, you must enable the HTTP/2 direct parameter if gRPC over HTTP/2 cleartext is required.
At the command prompt, type:
add ns httpProfile
Example:
add ns httpProfile http2gRPC -http2Direct ENABLED -http2 ENABLED
Enable global back-end HTTP/2 support through HTTP parameter
To enable HTTP/2 support globally on the server side by using the Citrix ADC command line.
At the command prompt, type:
set ns httpParam -http2ServerSide( ON | OFF )
Example:
set ns httpParam -http2ServerSide ON
Add load balancing virtual server of type SSL/HTTP and set HTTP profile
To add a load balancing virtual server by using theCitrix ADCcommand interface:
At the command prompt, type:
add lb vserver
Example:
add lb vserver lb-grpc HTTP 10.10.10.11 80 -httpProfileName http2gRPC
Note:
If you are using a load balancing virtual server of type SSL, then you must bind the server certificate. See Bind server certificate topic for more information.
Add Service for gRPC endpoint and set HTTP profile
To add a gRPC service with HTTP profile by using theCitrix ADCcommand interface: At the command prompt, type:
add service
Example:add service svc-grpc 10.10.10.10 HTTP 80 -httpProfileName http2gRPC
Bind gRPC end point service to load balancing virtual server
To bind a gRPC service to load balancing virtual server by using theCitrix ADCcommand interface:
At the command interface, type:
bind lb vserver
Example:
bind lb vserver lb-grpc svc-grpc
Configure end-to-end gRPC deployment by using the GUI
Complete the following steps to configure gRPC by using the GUI.
Add HTTP profile with HTTP/2 and HTTP/2 direct enabled
- Navigate toSystem > Profilesand clickHTTP Profiles.
- Enable HTTP/2 option in a new HTTP profile or existing HTTP profile
Enable global back end HTTP/2 support in HTTP parameter
- Navigate toSystem > Settings > HTTP Parameters.
- In the Configure HTTP Parameter page, select HTTP/2 on Server Side.
- ClickOK.
Add load balancing virtual server of type SSL/HTTP and set HTTP profile
- Navigate toTraffic Management > Load Balancing > Virtual Servers.
- Click Add to create a load balancing virtual server for gRPC traffic.
- In Load Balancing Virtual Server page, click Profiles.
- In the Profiles section, select the profile type as HTTP.
- Click OK and then Done.
Add Service for gRPC endpoint and set HTTP profile
- Navigate toTraffic Management > Load Balancing > Services.
- Click Add to create an application server for gRPC traffic.
- In Load Balancing Service page, go to Profile section.
- Under Profiles, add HTTP profile for gRPC endpoint.
- Click OK and then Done.
For detailed GUI procedures related to loading balancing, seeLoad Balancingtopic.
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