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Getting Started with Citrix NetScaler
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Deploy a Citrix NetScaler VPX instance
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Install a Citrix NetScaler VPX instance on Microsoft Hyper-V servers
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Install a NetScaler VPX instance on Linux-KVM platform
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Prerequisites for Installing NetScaler VPX Virtual Appliances on Linux-KVM Platform
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Provisioning the NetScaler Virtual Appliance by using OpenStack
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Provisioning the NetScaler Virtual Appliance by using the Virtual Machine Manager
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Configuring NetScaler Virtual Appliances to Use SR-IOV Network Interface
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Configuring NetScaler Virtual Appliances to use PCI Passthrough Network Interface
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Provisioning the NetScaler Virtual Appliance by using the virsh Program
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Deploying NetScaler VPX Instances on AWS
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Upgrade and downgrade a NetScaler appliance
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Overriding Static Proximity Behavior by Configuring Preferred Locations
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Example of a Complete Parent-Child Configuration Using the Metrics Exchange Protocol
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Configuring Global Server Load Balancing for DNS Queries with NAPTR records
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Using the EDNS0 Client Subnet Option for Global Server Load Balancing
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Persistence and persistent connections
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Advanced load balancing settings
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Gradually stepping up the load on a new service with virtual server–level slow start
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Protect applications on protected servers against traffic surges
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Use source IP address of the client when connecting to the server
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Set a limit on number of requests per connection to the server
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Configure automatic state transition based on percentage health of bound services
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Use case 2: Configure rule based persistence based on a name-value pair in a TCP byte stream
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Use case 3: Configure load balancing in direct server return mode
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Use case 6: Configure load balancing in DSR mode for IPv6 networks by using the TOS field
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Use case 7: Configure load balancing in DSR mode by using IP Over IP
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Use case 10: Load balancing of intrusion detection system servers
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Use case 11: Isolating network traffic using listen policies
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Use case 14: ShareFile wizard for load balancing Citrix ShareFile
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Installing the NetScaler Web Logging (NSWL) Client
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Configuring a CloudBridge Connector Tunnel between two Datacenters
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Configuring CloudBridge Connector between Datacenter and AWS Cloud
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Configuring a CloudBridge Connector Tunnel Between a Datacenter and Azure Cloud
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Configuring CloudBridge Connector Tunnel between Datacenter and SoftLayer Enterprise Cloud
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Configuring a CloudBridge Connector Tunnel Between a NetScaler Appliance and Cisco IOS Device
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CloudBridge Connector Tunnel Diagnostics and Troubleshooting
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Installing the NetScaler web logging (NSWL) client
During installation, the NSWL client executable file (nswl) is installed along with other files. The nswl executable file provides a list of options that you can use. For details, see Configuring the NSWL Client.
Attention:
The version of the NSWL client must be the same as that of the Citrix ADC. For example, if the version of the Citrix ADC is 10.1 Build 125.9, the NSWL client must also be of the same version. Also, the web logging (NSWL) client works on both 32 bit and on 64 bit server machines.
The following table lists the operating systems on which the NSWL client can be installed.
Operating system | Version | Hardware requirements | Remarks |
---|---|---|---|
Windows | Windows XP Professional, Windows Server 2003, Windows 2000/NT, Windows Server 2008, Windows Server 2008 R2 | Processor - Intel x86 ~501 MHz, RAM - 512 MB, Controller - SCSI | |
Mac OS | Mac OS 8.6 or later | - | Not supported on NetScaler 10.1 and later releases. |
Linux | RedHat Linux 4 or later, SUSE Linux Enterprise 9.3 or later | Processor - Intel x86 ~501 MHz, RAM - 512 MB, Controller - SCSI | |
Solaris | Solaris Sun OS 5.6 or later | Processor - UltraSPARC-IIi 400 MHz, RAM - 512 MB, Controller - SCSI | Not supported on NetScaler 10.5 and later releases. |
FreeBSD | FreeBSD 6.3 or later | Processor - Intel x86 ~501 MHz, RAM - 512 MB, Controller - SCSI | For NetScaler 10.5, use only FreeBSD 8.4. |
AIX | AIX 6.1 | - | Not supported on NetScaler 10.5 and later releases. |
If the NSWL client system cannot process the log transaction because of a CPU limitation, the Web log buffer overruns and the logging process reinitiates.
Caution: Reinitiation of logging can result in loss of log transactions.
To temporarily solve a NSWL client system bottleneck caused by a CPU limitation, you can tune the Web server logging buffer size on the NetScaler appliance. To solve the problem, you need a client system that can handle the site’s throughput.
Downloading the NSWL client
You can obtain the NSWL client package from either the NetScaler product CD or the Citrix downloads site. Within the package there are separate installation packages for each supported platforms.
To download the NSWL client package from the Citrix site
- Open the URL
https://www.citrix.com/downloads.html
. - Log in to the site using your credentials.
- Open the page for the required release number and build.
- In the page, under Weblog Clients, click Download. The package has the name format as follows:
Weblog- <release number>-<build number>.zip
.
Installing the NSWL client on a Solaris system
To install the NSWL client, perform the following operations on the system where you downloaded the package.
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Extract the
nswl_solaris-<release number>-<build number>.tar file
from the package. -
Copy the extracted file to a Solaris system on which you want to install the NSWL client.
-
Extract the files from the tar file with the following command:
tar xvf nswl_solaris-9.3-51.5.tar
A directory NSweblog is created in the temporary directory, and the files are extracted to the NSweblog directory.
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Install the package with the following command:
pkgadd -d
The list of available packages appears. In the following example, one NSweblog package is shown:
1 NSweblog NetScaler Weblogging (SunOS,sparc) 7.0
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You are prompted to select the packages. Select the package number of the NSweblog to be installed.
After you select the package number and press Enter, the files are extracted and installed in the following directories:
/usr/local/netscaler/etc
/usr/local/netscaler/bin
/usr/local/netscaler/samples
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To check whether the NSWL package is installed, execute the following command:
pkginfo | grep NSweblog
Note: To uninstall the NSWL package, execute the following command:
pkgrm NSweblog
Installing the NSWL Client on a Linux System
To install the NSWL client, perform the following operations on the system where you downloaded the package.
-
Extract the
nswl_linux-<release number>-<build number>.rpm
file from the package. -
Copy the extracted file to a system, running Linux OS, on which you want to install the NSWL client.
-
To install the NSWL package, execute the following command:
rpm -i nswl_linux-9.3-51.5.rpm
This command extracts the files and installs them in the following directories.
/usr/local/netscaler/etc
/usr/local/netscaler/bin
/usr/local/netscaler/samples
Note: To uninstall the NSWL package, execute the following command:
rpm -e NSweblog
Note: To get more information about the NSweblog RPM file, execute the following command:
rpm -qpi *.rpm
Note: To view the installed Web server logging files, execute the following command:
rpm -qpl *.rpm
Installing the NSWL client on a FreeBSD system
To install the NSWL client, perform the following operations on the system where you downloaded the package.
-
Extract the
nswl_bsd-<release number>-<build number>.tgz
file from the package. -
Copy the extracted file to a system, running FreeBSD OS, on which you want to install the NSWL client.
-
To install the NSWL package, execute the following command:
pkg_add nswl_bsd-9.3-51.5.tgz
This command extracts the files and installs them in the following directories.
- /usr/local/netscaler/etc
- /usr/local/netscaler/bin
- /usr/local/netscaler/samples
Note: To uninstall the NSWL package, execute the following command:
pkg_delete NSweblog
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To verify that the package is installed, execute the following command:
pkg_info | grep NSweblog
Installing the NSWL Client on a Mac System
To install the NSWL client, perform the following operations on the system where you downloaded the package.
-
Extract the
nswl_macos-<release number>-<build number>.tgz
file from the package. -
Copy the extracted file to a system, running Mac OS, on which you want to install the NSWL client.
-
To install the NSWL package, execute the following command:
pkg_add nswl_macos-9.3-51.5.tgz
This command extracts the files and installs them in the following directories:
- /usr/local/netscaler/etc
- /usr/local/netscaler/bin
- /usr/local/netscaler/samples
Note: To uninstall the NSWL package, execute the following command:
pkg_delete NSweblog
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To verify that the package is installed, execute the following command:
pkg_info | grep NSweblog
Installing the NSWL client on a Windows system
To install the NSWL client, perform the following operations on the system where you downloaded the package.
-
Extract the
nswl_win-<release number>-<build number>.zip
file from the package. -
Copy the extracted file to a Windows system on which you want to install the NSWL client.
-
On the Windows system, unzip the file in a directory (referred as
<NSWL-HOME>
). The following directories are extracted from/bin
,/etc
and/samples
. -
At the command prompt, run the following command from the
<NSWL-HOME>\bin directory:
nswl -install -f <directorypath>\log.conf
where,
directorypath refers to the path of the configuration file (log.conf). By default, the file is in the
<NSWL-HOME>
etc directory. However, you can copy the configuration file to any other directory.Note: To uninstall the NSWL client, at the command prompt, run the following command from the
<NSWL-HOME>\bin directory:
> nswl -remove
Installing the NSWL client on a AIX system
To install the NSWL client, perform the following operations on the system where you downloaded the package.
-
Extract the
nswl_aix-<release number>-<build number>.rpm
file from the package. -
Copy the extracted file to a system, running AIX OS, on which you want to install the NSWL client.
-
To install the NSWL package, execute the following command:
rpm -i nswl_aix-9.3-51.5.rpm
This command extracts the files and installs them in the following directories.
/usr/local/netscaler/etc
/usr/local/netscaler/
usr/local/netscaler/samples
Note: To uninstall the NSWL package, execute the following command:
rpm -e NSweblog
Note: To get more information about the NSweblog RPM file, execute the following command:
rpm -qpi *.rpm
Note: To view the installed Web server logging files, execute the following command:
rpm -qpl *.rpm
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