NetScaler Application Delivery Software 5.2: General

Technotes Created Modified Read Rating
HTTP-ECV Monitor Probes Are Failing
Summary This document describes how to troubleshoot monitor of type HTTP-ECV. In this case, HTTP-ECV monitor probes sent by the NetScaler to the server are failing, even though the web page c...
CTX110167
8/30/06 10/15/08 5,584 55555
FAQ: Transfering Files to or From the NetScaler Device?
Q: How do I transfer files to or from the NetScaler device? A: There are times when you need to transfer files to or from a NetScaler device. For example, to facilitate a code upgrade, the n...
CTX109740
6/22/06 8/29/08 6,511 Unrated
NetScaler Hardware/Software Compatibility - Supported Upgrade/Downgrade Paths
This article provides information about NetScaler OS release firmware compatibility for the NetScaler 7000, 9000, 9010, 9010 FIPS, 9050, 9100, 9400, 9800, 9950, 10000, 10010, 12000 and MPX platforms.
CTX113357
5/18/07 8/8/08 3,786 55555
Cannot Change Lightweight Directory Access Protocol (LDAP) Password when Connected to a NetScaler Appliance
Problem Description The customer had configured a NetScaler appliance along with an LDAP server that required the users to change the password when they login for the first time. The users tr...
CTX117431
6/25/08 6/25/08 432 1
Case Study: Back-end Email Servers are not Accessible when a Third-Party Firewall Application is Installed with a NetScaler Appliance
Problem Definition The customer installed a firewall application. To access the back-end servers through the NetScaler appliance, requests had to first pass though the firewall application. T...
CTX117400
6/24/08 6/25/08 386 Unrated
NetScaler Bidirectional Rewrite Feature
Summary To customize the HTTP header, you might want to rewrite the same. For example, after rewriting the request header, depending on the policy settings, you might also want to rewrite the...
CTX116880
5/9/08 5/9/08 517 Unrated
IP Address Conflict in the Network
Symptoms When migrating from the F5 appliance to the NetScaler appliance, the virtual servers are running. However, you cannot connect to the virtual servers using telnet or other similar uti...
CTX116879
5/9/08 5/9/08 500 Unrated
How to Download the Latest Releases and Builds of the NetScaler Software from the Citrix Web Site
Summary This article describes how to download the latest releases and builds of the NetScaler software from the Citrix Web site. Procedure On the Citrix Web site, only the latest build of ea...
CTX116969
4/17/08 4/21/08 828 Unrated
How to Delete the Last Mapped IP from the Configuration
Summary This document describes the procedure to delete the last mapped IP (MIP) from the NetScaler configuration file. Background Under normal circumstances, you cannot remove the last mappe...
CTX116972
4/21/08 4/21/08 820 Unrated
Migrating the License of NetScaler 9000 or 12000 Series Unit Running on Release 6.x and FreeBSD 4.9 to a NetScaler 7000 Series Unit FAQ
Q: How can I migrate the license of NetScaler 9000 or 12000 series unit running on release 6.x and FreeBSD 4.9 to NetScaler 7000 series unit? A: You must buy a new license for the unit. If it...
CTX115765
2/15/08 2/15/08 628 Unrated
Why can you not downgrade a NetScaler 7000 series unit to NetScaler software release 6.0 or earlier?
Q: Why can I not downgrade a NetScaler 7000 series appliance to NetScaler software release 6.0 or earlier? A: Citrix NetScaler software releases earlier than 6.1 do not come with the drivers ...
CTX115826
1/2/08 1/2/08 720 Unrated
Command Policy Example: How to Restrict Access to Nodes or Vservers Based on Users or User Groups
Summary This article describes how to restrict access to nodes or virtual servers based on users or user group membership. Background You have a group called WebTeam that n...
CTX114984
12/5/07 12/5/07 853 Unrated
Does NetScaler Support SAML?
Q: Does NetScaler support Security Assertion Markup Language (SAML)? A: Not at the moment. No roadmap date has been set for this yet. However, because SAML uses HTTP/SOAP as its transport mecha...
CTX109714
7/16/07 7/17/07 2,068 Unrated
Error: Host "some.hostname.here" is blocked because of many connection errors
Symptoms When load balancing MySQL through the NetScaler, the following error is received on the SQL servers: “ERROR 1129 (00000): Host ‘ some.hostname.here ’ is blocked because of many connectio...
CTX113835
7/16/07 7/16/07 3,369 Unrated
GARP Issues in NetScaler 5.2
Summary This document lists some Gratuitous ARP (GARP) issues found in NetScaler 5.2 (Build 50.9). Background When failover happens to the secondary NetScaler, the secondary NetScaler sends out GA...
CTX110487
4/25/07 4/25/07 2,299 Unrated
Secondary Unit in NetScaler High Availability Pair Shows Service State Down
Q: In a NetScaler High Availability (HA) configuration, should the services on the second unit show a state of down? A: Yes this is by design. Because NetScaler HA is active-passive topology,...
CTX111541
4/25/07 4/25/07 2,153 Unrated
When Creating Policy Expressions, What are the Factors to Consider in the Choice Between the Operators "==" and "CONTAINS"?
Q: When creating policy expressions, what are the factors to consider when choosing between the operators “==” and “CONTAINS”? A: Consider the following when deciding between “==” and “CONTAINS” ...
CTX110079
7/28/06 7/28/06 3,741 Unrated
Can You Convert a Simple Expression into a Compound Expression?
Q: Can you convert a simple expression into a compound expression? A: No, you must remove the expression and add it again. More Information Modifications to existing compound expressions are also ...
CTX110070
7/28/06 7/28/06 3,438 Unrated
Error: No support for set compound expression
Symptoms When you attempt to modify an existing expression using the set expression command line interface (CLI) command, you receive the following error message: “ERROR: No support for set comp...
CTX109894
7/27/06 7/28/06 4,826 Unrated
Basic Vi Commands for NetScaler
Summary Vi is a powerful but difficult to use text editor. This section describes the basics of using vi and the how to navigate between different modes and insert or modify text. Vi has two diff...
CTX109263
4/12/06 7/18/06 6,572 333
Basic UNIX Commands for NetScaler
Summary This guide is designed to give a basic overview of UNIX commands used on the NetScaler system. This guide also includes basic commands for the vi editor. Getting to the Shell Command Pro...
CTX109262
4/13/06 7/18/06 8,379 22
GARP Persistency After Reboots
Symptoms When issuing the nsapimgr command via the shell and then rebooting, the command does not persist. This is because the nsapimgr command applies only to the current memory state of the...
CTX109261
4/12/06 7/18/06 5,059 Unrated
In a High Availability Configuration, if the Secondary System is Switched to the Primary Role, Does it Revert to Secondary Once the Original Primary System is Back Online?
Q: In a High Availability (HA) configuration, if the secondary system is switched to the primary role, does it revert to secondary once the original primary system is back online? A: No. Once the ...
CTX109850
7/7/06 7/7/06 4,461 Unrated
What are the Power Usage Measurements (Such as British Thermal Unit Numbers) for NetScaler Devices?
Q: What are the power usage measurements (such as British thermal unit (BTU) numbers) for NetScaler devices? A: System ratings: 9400 – 100-240VAC, 50/60Hz, 4A. 9800/9900 – 100-240VAC, 50/60Hz, 6...
CTX109864
7/3/06 7/3/06 4,857 55555
Users Can Ping their NetScaler System, but Secure Shell, the Web GUI, and Simple Network Management Protocol Are Not Responding.
Symptoms Users can ping their NetScaler system, but Secure Shell (SSH), the Web GUI, and Simple Network Management Protocol (SNMP) are not responding. Cause This is most likely caused by the ma...
CTX109863
7/3/06 7/3/06 4,702 Unrated
When Users Use RADIUS Authentication Against ACE, They See Lots of Retransmits. Is Something Broken?
Q: When users use RADIUS authentication against ACE, they see lots of retransmits. Is something broken? A: ACE is not very fast when it comes to RADIUS. Increase the NetScaler's response timeout ...
CTX109860
7/3/06 7/3/06 4,378 Unrated
A Packet Trace Doesn't Show Authentication Packets. How Do You See Authentication Conversations?
Q: A packet trace doesn't show authentication packets. How do you see authentication conversations? A: Authentication, authorization, and accounting (AAA) packets originate from the NetScaler ...
CTX109839
6/30/06 7/3/06 4,488 Unrated
How Do You Configure a NetScaler Device to Send Syslog Output to a Remote Server?
Q: How do you configure a NetScaler device to send syslog output to a remote server? A: As of release 6.1 you can configure a remote syslog server from the command line interface (CLI) using the f...
CTX109846
6/30/06 6/30/06 7,376 Unrated
Can a NetScaler System be Configured Remotely Without Using a Command Line Interface?
Q: Can a NetScaler system be configured remotely without using a command line interface? A: Yes. Once you have completed the NetScaler initial configuration with ns config , the NetScaler GUI is ...
CTX109844
6/30/06 6/30/06 4,621 Unrated
How to Block Specific Subnets or IP Addresses From Accessing a Particular URL on Your Servers
Summary This article describes how to block specific subnets or IP addresses from accessing a particular URL on your servers (for example, /status/). Procedure Issue the following commands: ad...
CTX109841
6/30/06 6/30/06 5,496 Unrated
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