Getting Started with Citrix ADC
Accelerate load balanced traffic by using compression
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 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
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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
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Accelerate load balanced traffic by using compression
Compression is a popular means of optimizing bandwidth usage, and most web browsers support compressed data. If you enable the compression feature, the Citrix ADC appliance intercepts requests from clients and determines whether the client can accept compressed content. After receiving the HTTP response from the server, the appliance examines the content to determine whether it is compressible. If the content is compressible, the appliance compresses it, modifies the response header to indicate the type of compression performed, and forwards the compressed content to the client.
Citrix ADC compression is a policy-based feature. A policy filters requests and responses to identify responses to be compressed, and specifies the type of compression to apply to each response. The appliance provides several built-in policies to compress common MIME types such as text/html, text/plain, text/xml, text/css, text/rtf, application/msword, application/vnd.ms-excel, and application/vnd.ms-powerpoint. You can also create custom policies. The appliance does not compress compressed MIME types such as application/octet-stream, binary, bytes, and compressed image formats such as GIF and JPEG.
To configure compression, you must enable it globally and on each service that will provide responses that you want compressed. If you have configured virtual servers for load balancing or content switching, you should bind the polices to the virtual servers. Otherwise, the policies apply to all traffic that passes through the appliance.
Compression configuration task sequence
The following flow chart shows the sequence of tasks for configuring basic compression in a load balancing setup.
Figure 1. Sequence of Tasks to Configure Compression
Note: The steps in the above figure assume that load balancing has already been configured.
Enable compression
By default, compression is not enabled. You must enable the compression feature to allow compression of HTTP responses that are sent to the client.
To enable compression by using the CLI
At the command prompt, type the following commands to enable compression and verify the configuration:
- enable ns feature CMP
- show ns feature
> enable ns feature CMP Done > show ns feature Feature Acronym Status ------- ------- ------ 1) Web Logging WL ON 2) Surge Protection SP OFF . 7) Compression Control CMP ON 8) Priority Queuing PQ OFF . Done
To enable compression by using the GUI
- In the navigation pane, expand System, and then click Settings.
- In the details pane, under Modes and Features, click Change basic features.
- In the Configure Basic Features dialog box, select the Compression check box, and then click OK.
- In the Enable/Disable Feature(s)? dialog box, click Yes.
配置ure services to compress data
In addition to enabling compression globally, you must enable it on each service that will deliver files to be compressed.
To enable compression on a service by using the CLI
At the command prompt, type the following commands to enable compression on a service and verify the configuration:
- set service
-CMP YES - show service
> show service SVC_HTTP1 SVC_HTTP1 (10.102.29.18:80) - HTTP State: UP Last state change was at Tue Jun 16 06:19:14 2009 (+737 ms) Time since last state change: 0 days, 03:03:37.200 Server Name: 10.102.29.18 Server ID : 0 Monitor Threshold : 0 Max Conn: 0 Max Req: 0 Max Bandwidth: 0 kbits Use Source IP: NO Client Keepalive(CKA): NO Access Down Service: NO TCP Buffering(TCPB): NO HTTP Compression(CMP): YES Idle timeout: Client: 180 sec Server: 360 sec Client IP: DISABLED Cacheable: NO SC: OFF SP: OFF Down state flush: ENABLED 1) Monitor Name: tcp-default State: DOWN Weight: 1 Probes: 1095 Failed [Total: 1095 Current: 1095] Last response: Failure - TCP syn sent, reset received. Response Time: N/A Done
To enable compression on a service by using the GUI
- Navigate to Traffic Management > Load Balancing > Services.
- In the details pane, select the service for which you want to configure compression (for example, service-HTTP-1), and then click Open.
- On the Advanced tab, under Settings, select the Compression check box, and then click OK.
- Verify that, when the service is selected, HTTP Compression(CMP): ON appears in theDetailssection at the bottom of the pane.
Bind a compression policy to a virtual server
If you bind a policy to a virtual server, the policy is evaluated only by the services associated with that virtual server. You can bind compression policies to a virtual server either from the Configure Virtual Server (Load Balancing) dialog box or from the Compression Policy Manager dialog box. This topic includes instructions to bind compression policies to a load balancing virtual server by using the Configure Virtual Server (Load Balancing) dialog box. For information about how you can bind a compression policy to a load balancing virtual server by using the Compression Policy Manager dialog box, see配置uring and Binding Policies with the Policy Manager.
To bind or unbind a compression policy to a virtual server by using the command line
At the command prompt, type the following commands to bind or unbind a compression policy to a load balancing virtual server and verify the configuration:
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(bind unbind) lb vserver -policyName - show lb vserver
Example:
bind lb vserver lbvip -policyName ns_cmp_msapp Done > show lb vserver lbvip lbvip (8.7.6.6:80) - HTTP Type: ADDRESS State: UP Last state change was at Thu May 28 05:37:21 2009 (+685 ms) Time since last state change: 19 days, 04:26:50.470 Effective State: UP Client Idle Timeout: 180 sec Down state flush: ENABLED Disable Primary Vserver On Down : DISABLED Port Rewrite : DISABLED No. of Bound Services : 1 (Total) 1 (Active) Configured Method: LEASTCONNECTION Current Method: Round Robin, Reason: Bound service's state changed to UP Mode: IP Persistence: NONE Vserver IP and Port insertion: OFF Push: DISABLED Push VServer: Push Multi Clients: NO Push Label Rule: Bound Service Groups: 1) Group Name: Service-Group-1 1) Service-Group-1 (10.102.29.252: 80) - HTTP State: UP Weight: 1 1) Policy : ns_cmp_msapp Priority:0 Done
To bind or unbind a compression policy to a load balancing virtual server by using the GUI
- Navigate to Traffic Management > Load Balancing > Virtual Servers.
- In the details pane, select the virtual server to which you want to bind or unbind a compression policy (for example, Vserver-LB-1), and then click Open.
- In the Configure Virtual Server (Load Balancing) dialog box, on the Policies tab, click Compression.
- Do one of the following:
- To bind a compression policy, click Insert Policy, and then select the policy you want to bind to the virtual server.
- To unbind a compression policy, click the name of the policy you want to unbind from the virtual server, and then click Unbind Policy.
- Click OK.
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