NetScaler Application Delivery Software 7.0: Performance Monitoring and Testing

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Case Study: Content Switching and Load Balancing Virtual Servers are not Available After a Forced Failover of a NetScaler Appliance
Problem Definition A customer reported that after a forced failover of the NetScaler appliance, the content switching and load balancing virtual server were not available. Environment The cus...
CTX118537
10/15/08 10/16/08 108 Unrated
Case Study: The NetScaler Appliance does not Failover even After Setting a High Availability Monitor on the Appliance
Problem Definition The customer reported that the NetScaler appliances were configured for High Availability (HA). Additionally, an HA monitor (HA MON) was set on one of the interfaces of an ...
CTX118542
10/15/08 10/15/08 118 Unrated
Case Study: Intermittent Stall State is Observed for the RX and TX Packets on the NetScaler Appliance
Problem Definition A customer had an issue with the intermittent RX and TX stall states of the NetScaler interface. The customer had configured various NetScaler 7000 appliance on the network...
CTX118265
9/11/08 9/11/08 238 Unrated
The CPU Usage on the NetScaler Appliance is Very High for a Long Period of Time
Problem Definition The CPU Usage on the NetScaler Appliance is very high for a long period of time. The customer reported that some of the NetScaler appliances in the topology displayed high ...
CTX117534
8/28/08 8/29/08 287 Unrated
Common Filtering Options with Nstcpdump.sh
Common options for nstcpdump.sh for filtering and saving captures
CTX118185
8/26/08 8/26/08 326 Unrated
Netscaler UDP-ECV Monitor may Pass when Server is Down
Why unmodified udp-ecv monitor may produce false positives
CTX118178
8/15/08 8/15/08 264 Unrated
Understanding Lightweight Directory Access Protocol Monitoring on a NetScaler Appliance
Summary This article explains Lightweight Directory Access Protocol (LDAP) monitoring and the scope of LDAP on a NetScaler appliance. LDAP Monitor In a NetScaler appliance, you can configure ...
CTX117299
7/25/08 7/25/08 362 Unrated
Why Doesn't the End Point Analysis Scan Work for Some Clients?
Q: Why doesn't the End Point Analysis (EPA) scan work for some clients? A: The current release of the EPA scan is only compatible with Internet Explorer. The EPA scan does not work if the cli...
CTX117486
7/9/08 7/9/08 389 Unrated
Case Study: The Primary NetScaler Appliance Cannot Detect a Replacement NetScaler Appliance to Create a High Availability Pair
Problem Definition The customer had originally connected a pair of NetScaler appliances with high availability. One of the appliances became defective and was replaced. When the customer conn...
CTX117292
6/24/08 6/24/08 468 55555
The NetScaler Appliance Response is Very Slow while Logging on
Problem Definition When the customer tried to log on to the NetScaler appliance, the appliance was too slow to respond. The customer had configured the pair of NetScaler appliance for high av...
CTX117283
6/17/08 6/17/08 401 Unrated
How to Configure NetScaler CPU Profiling
Summary This article is meant to help Citrix NetScaler administrators understand and configure CPU profiling on their NetScaler appliances. Citrix Technical Support can use this profiling...
CTX115748
6/12/08 6/12/08 433 Unrated
Configuring an LDAP Monitor
Summary This article describes how to configure the NetScaler Lightweight Directory Access Protocol (LDAP) User monitor. It is recommended that the basic Active Directory (AD) authentication...
CTX111109
5/28/08 5/28/08 469 Unrated
CPU Usage Reaches 100 Percent When you run XML API Scripts on a NetScaler Appliance
Symptoms When you run an XML API script on a NetScaler appliance, the CPU usage at the time when the script runs reaches up to 100 percent. Cause This is a known issue in the NetScaler softw...
CTX117173
5/19/08 5/21/08 485 Unrated
How to Monitor TCP Buffering on a NetScaler Appliance
Summary This article describes how to monitor TCP buffering on a Citrix NetScaler appliance. Background To optimize the network traffic on the NetScaler appliance, you might need to monitor t...
CTX116779
5/12/08 5/12/08 531 22
How To Use TCP-ECV Probes to Monitor HTTP Service with Custom Host Headers
How To: Use TCP-ECV probes to monitor HTTP service with custom Host header
CTX116388
3/5/08 3/5/08 818 4444
CPU Utilization Spikes Because of Misconfiguration.
Problem Definition This article explains why a Netscaler may experience high CPU utilization because of misconfiguration. A customer finds that two netscalers are spiking at 100% cpu. The net...
CTX115851
2/26/08 2/26/08 538 Unrated
Error: Logging out of statistical utility in erroneous mode.
Summary Users receive the following error message on the GUI: "Logging out of statistical utility in erroneous mode." The following error message appears on the command line interfa...
CTX115638
1/23/08 1/23/08 490 Unrated
How to Obtain Performance Statistics from Virtual Servers and Service Members
Summary Historical performance statistics of the virtual servers (vservers) and associated member services can be obtained from the archived newnslog files in /var/nslog. The newnslog files thems...
CTX113341
9/17/07 9/17/07 3,143 1
Max Client and Current Server Connection Values
Why after setting a “Max Client” value on a service do I see the “Current Server Connections” value exceed the “Max Client” value?
CTX114058
8/6/07 8/6/07 2,374 Unrated
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