Browse Tag

netscaler

SmartControl and SmartAccess

Both SmartAccess and SmartControl are similar in practice. One is implemented at the Delivery Controller level with the use of Citrix policies (SmartAccess) and the other is implemented at the NetScaler Gateway level (SmartControl). SmartControl was introduced in NetScaler v11, and is a Platinum feature.

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NetScaler Integrated Caching

Citrix NetScaler comes with a caching feature named Integrated Caching which can cache frequently accessed data to take the stress off backend servers and deliver content to users faster by elminating trips to backend servers.

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NetScaler Compression

NetScaler can perform compression on data to reduce the size of the data in transit without any loss to that data. Compression advantages include reduced bandwidth, reduced stress on backend web servers and the quicker serving of content to users.

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NetScaler 401 Unauthorized Access

Error: 401 – Unauthorized: Access is denied due to invalid credentials. This error was appearing after authenticating to NetScaler Gateway just as users were being passed through to Citrix Web Interface v5.4.

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Citrix NetScaler traffic capture using nstrace and nstcpdump

Nstrace

Nstrace is a NetScaler packet capture tool. Nstrace dumps packets in the native NetScaler format. These trace files have an extension of .cap and can be analysed with WireShark. You can use specific filters in WireShark as normal to filter through captured data or specify filters using the NetScaler CLI. This allows you to only capture traffic of interest.

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Citrix Command Center – Setup, configure, monitor

Citrix Command Center monitors and manages Citrix products such as NetScaler (MPX, VPX, SDX), CloudBridge and AppFirewall. Using Command Center for example allows you to monitor, manage and troubleshoot your entire Citrix NetScaler inventory all from a single web interface console.

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