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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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Generate technical support bundle
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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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Generate technical support bundle
For help with analyzing and resolving any issues with a NetScaler appliance, you can generate a technical support bundle on the appliance and send the bundle to Citrix technical support. The NetScaler technical support bundle is a zipped tar archive of system configuration data and statistics. It collects the following data from the NetScaler appliance on which you generate the bundle:
- Configuration files. All files in the /flash/nsconfig directory.
- Newnslog files. The currently running newnslog and some previous files. To minimize the archive file size, newnslog collection is restricted to 500 MB, 6 files, or 7 days, whichever occurs first. If older data is needed, it might require manual collection.
- Log files. Files in /var/log/messages, /var/log/ns.log, and other files under /var/log and /var/nslog.
- Application core files. Files created in the /var/core directory within the last week, if any.
- Output of some CLI show commands.
- Output of some CLI stat commands.
- Output of BSD shell commands.
You can use a single command to generate the technical support bundle and securely upload it to the Citrix Technical Support server. To upload, you must specify your Citrix credentials. When you generate the bundle, you can specify the case or service request number that was allotted to you by Citrix Technical Support. If you have already generated a technical support bundle, you can upload the existing archive file to the Citrix Technical Support server by specifying the file name with the full path.
The technical support bundle is saved on the NetScaler appliance in an archive at the following location:
/var/tmp/support/support.tgz
The above path is a symlink to the most recent collector for easy access. The full filename varies, depending on the deployment topology, but generally follows a format similar to:
collector_<P/S>_<NS IP>_<DateTime>.tgz.
If your NetScaler appliance does not have direct Internet connectivity, you can use a proxy server to directly upload the technical support bundle to the Citrix Technical Support server. The basic format of the proxy string is:
proxy_IP:<proxy_port>
If the proxy server requires authentication, the format is:
username:password@proxsy_IP:<proxy_port>
Note
For NetScaler appliances in a high availability pair, you must generate the technical support bundle on each of the two nodes.
For NetScaler appliances in a Cluster setup, you can generate the technical support bundle on each node individually, or you can generate smaller abbreviated archives for all nodes by using the cluster IP address.
For NetScaler Admin Partitions, you must generate the technical support bundle from the default admin partition. To get the technical support bundle for a specific partition, you must specify the name of the partition for which you want to generate the technical support bundle. If you do not specify the name of the partition, data is collected from all admin partitions.
Download technical support bundle from NetScaler MPX and VPX appliances
To run a collector file by using the NetScaler GUI, you must complete the following procedure:
Note: The procedure is applicable for software release 9.2 or later.
- Navigate to System > Diagnostic.
- In the Technical Support Tools section, click Generate Support File link.
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In the Tech Support page, set the following parameters:
- Scope. To collect data from one or more nodes.
- Partition. Name of the partition.
- Citrix Technical Support pload Options. Set all options such as proxy server, service case number, collector archive file name. and a brief description of the archive file for uploading the technical support bundle.
- Citrix Account. Enter your Citrix credentials.
- Click Run.
- The Technical Support bundle is generated.
- Click Yes to download the Technical support bundle to your local desktop.
Obtain technical support bundle by using the command interface
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Download the file from the appliance using a Secure FTP (SFTP) or Secure Copy (SCP) utility, such as WinSCP, and upload it to Citrix Insight Services for analysis.
Note: In NetScaler software release earlier than 9.0, the collector script must be downloaded separately and executed.
> show techsupport -scope CLUSTER
- This collects show techsupport information from all nodes in the cluster and compress the files into a single archive.
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After the appliance generates the collector archive the location of the file is displayed as shown in the following screenshot.
The file is stored in /var/tmp/support
and you can verify it by logging into a Citrix ADC appliance and running the following command from a shell prompt.
root@NS# cd /var/tmp/support/
root@NS# ls -l
Upload and run collector script on the NetScaler appliance
To upload and run the updated collector script on a NetScaler appliance, complete the following procedure:
Note: The procedure is applicable for software release 9.2 or later.
- Copy the updated collector script showtechsupport.pl (attached with this article) to the
/nsconfig
directory of the Citrix ADC appliance. Use an SFTP or SCP utility, such as WinSCP, to copy the file to the Citrix ADC appliance. - Run the following commands:
> shell
# cd /nsconfig
# chmod +x showtechsupport.pl
# ./showtechsupport.pl
- Switch to the CLI of the appliance.
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Run the following command to create log files for analysis:
> show techsupport
The
collector_<NSIP>_<P/S>_<DateTime>.tgz
file is created in the/var/tmp/support
directory of the appliance. Note: You must then upload the .tgz file to Citrix Insight Services for analysis. -
If you must uninstall this script, run the following commands from the CLI of the appliance:
> shell
rm /nsconfig/showtechsupport.pl
Obtain diagnostic bundle from NetScaler SDX
- Open the NetScaler SDX Configuration Utility with the NetScaler SDX Management IP address from a web browser.
- Expand the Diagnostics node.
- Select the Technical Support node.
- Click Generate Technical Support File.
- Select Appliance (Including Instances) from the drop-down menu.
- Click Add.
- Select one or more instances to add in.
- Click OK. Wait for the process to complete.
- Select the bundle name that was generated and then click Download
- Upload the bundle file to Citrix Insight Services.
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