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 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
配置一个Citrix ADC VPX本月ance 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
年代olutions 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
年代et 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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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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AppFlow
Which build of Citrix ADC supports AppFlow?
AppFlow is supported on Citrix ADC appliances running version 9.3 and above with nCore build.
What is the format used by AppFlow to transmit data?
AppFlow transmits information in the Internet Protocol Flow Information eXport (IPFIX) format, which is an open Internet Engineering Task Force (IETF) standard defined in RFC 5101. IPFIX (the standardized version of Cisco’s NetFlow) is widely used to monitor network flow information.
What do AppFlow records contain?
AppFlow records contain standard NetFlow or IPFIX information, such as time stamps for the beginning and end of a flow, packet count, and byte count. AppFlow records also contain application-level information (such as HTTP URLs, HTTP request methods and response-status codes, server response time, and latency). IPFIX flow records are based on templates that must be sent before sending flow records.
After an upgrade to NetScaler Version 9.3 Build 48.6 Cl, why does an attempt to open a virtual server from the GUI result in the error message “The AppFlow feature is only available on Citrix ADC Ncore”?
AppFlow is supported only on nCore appliances. When you open the virtual server configuration tab, clear theAppFlowcheck box.
What does the transaction ID in an AppFlow records contain?
A transaction ID is an unsigned 32-bit number identifying an application-level transaction. For HTTP, a transaction corresponds to a request and response pair. All flow records that correspond to this request and response pair have the same transaction ID. A typical transaction has four flow records. If the Citrix ADC generates the response by itself (served from the integrated cache or by a security policy), there might be only two flow records for the transaction.
What is an AppFlow action ?
An AppFlow action is a set of collectors to which the flow records are sent if the associated AppFlow policy matches.
What commands can I run on the Citrix ADC appliance to verify that the AppFlow action is a hit?
The show AppFlow action. For example:
> show appflow action 1) Name: aFL-act-collector-1 Collectors: collector-1 Hits: 0 Action Reference Count: 2 2) Name: apfl-act-collector-2-and-3 Collectors: collector-2, collecter-3 Hits: 0 Action Reference Count: 1 3) Name: apfl-act-collector-1-and-3 Collectors: collector-1, collecter-3 Hits: 0 Action Reference Count: 1
What is an AppFlow collector?
A collector receives flow records generated by the Citrix ADC appliance. To be able to send flow records, you must specify at least one collector. You can specify up to four. You can remove unused collectors.
What Citrix ADC verison is required for using AppFlow?
Use NetScaler version 9.3.49.5 or higher, and remember that AppFlow is available in only the nCore builds.
What transport protocol does AppFlow use?
AppFlow uses UDP as the transport protocol.
What ports needs to be opened if I have a firewall in the network?
Port 4739. It is the default UDP port the AppFlow collector uses for listening on IPFIX messages. If the user changes the default port, that port must be opened on the firewall.
How can I change the default port AppFlow uses?
When you add an AppFlow collector by using the add appflowCollector command, you can specify the port to be used.
> add appflowCollector coll1 -IPAddress 10.102.29.251 -port 8000 Done
What does setting clientTrafficOnly do?
Citrix ADC generates AppFlow records only for client-side traffic.
How many collectors can be configured at a time?
You can configure up to four AppFlow collectors at a time on the Citrix ADC appliance. Note that the maximum number of collectors that can be configured on a Citrix ADC appliance is four.
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