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Monitor an LLB setup

After the configuration is up and running, you can view the statistics for each service and virtual server to check for possible problems.

View the statistics of a virtual server

To evaluate the performance of virtual servers or to troubleshoot problems, you can display details of the virtual servers configured on the NetScaler appliance. You can display a summary of statistics for all the virtual servers. You can also specify the name of a virtual server to display the statistics only for that virtual server. You can display the following details:

  • Name
  • IP address
  • Port
  • Protocol
  • State of the virtual server
  • Rate of requests received
  • Rate of hits

Display virtual server statistics by using the CLI

To display a summary of the statistics for all the virtual servers currently configured on the NetScaler, or for a single virtual server, at the command prompt, type:

stat lb vserver -detail] [<name>]
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Example:

stat lb vserver -detail
Virtual Server(s) Summary
                      vsvrIP  port     Protocol        State    Req/s   Hits/s
One                        *    80         HTTP           UP      5/s      0/s
Two                        *     0          TCP         DOWN      0/s      0/s
Three                      *  2598          TCP         DOWN      0/s      0/s
dnsVirtualNS    10.102.29.90    53          DNS         DOWN      0/s      0/s
BRVSERV            10.10.1.1    80         HTTP         DOWN      0/s      0/s
LBVIP           10.102.29.66    80         HTTP           UP      0/s      0/s
 Done
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Display virtual server statistics by using the GUI

  1. Navigate to Traffic Management > Load Balancing > Virtual Servers > Statistics.
  2. If you want to display the statistics for only one virtual server, in the details pane, select the virtual server, and click Statistics.

View the statistics of a service

You can view the rate of requests, responses, request bytes, response bytes, current client connections, requests in the surge queue, current server connections, and so forth using the service statistics.

View the statistics of a service by using the CLI

At the command prompt, type:

stat service <name>
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Example:

stat service Service-HTTP-1
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View the statistics of a service by using the GUI

  1. Navigate to Traffic Management > Load Balancing > Services > Statistics.
  2. If you want to display the statistics for only one service, select the service, and click Statistics.
Monitor an LLB setup