Technotes for NetScaler Application Delivery Software 5.2

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
Description of the Redirect URL Feature
Summary This document describes the redirect URL option that may be applied to virtual servers (vservers) on the NetScaler. Background A virtual server of type HTTP or HTTPS may be configured...
CTX108946
4/7/06 10/13/08 9,955 55555
ERROR: Invalid certificate
Symptoms SSL certificates are installed on the appliance with either the graphical configuration utility or the command line: add ssl certKey <certkeyName> -cert <certificateFileName...
CTX118115
10/6/08 10/6/08 271 Unrated
Using the NetScaler Appliance in the Use Subnet IP Mode
Summary You use a subnet IP (SNIP) address to enable a user to access an Application Switch from an external host, which is a member of another subnet. When you add a subnet IP address to the...
CTX117360
9/11/08 9/12/08 388 Unrated
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
How to Secure Web Access by Redirecting HTTP URLs to HTTPS URLs on a NetScaler Appliance
Summary This article describes how to configure URL redirection for SSL on a NetScaler appliance. At times, to ensure a secure access to the Web site, you might want to redirect the client re...
CTX117344
8/8/08 8/11/08 587 22
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
Access to the Web Servers is not Available through the NetScaler Appliance
Symptoms You are not able to access the Web servers through the NetScaler appliance virtual servers (vservers) even though the vservers and services are running in the UP state. The vservers ...
CTX116878
4/17/08 8/8/08 779 Unrated
Case Study - Bookmarks on the NetScaler Appliance do not Work
Problem Definition A customer wanted to design a network topology that has two pairs of NetScaler appliances. The frontend NetScaler appliance pair has VPN configured on it and has a few book...
CTX117285
8/7/08 8/7/08 293 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 7/25/08 384 Unrated
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
Case Study: The NetScaler Appliance Fails to Add an Intermediate VeriSign Certification Authority
Problem Definition The customer was using the NetScaler command prompt to add a new Secure Socket Layer (SSL) certificate definition of the VeriSign Class 3 Extended Validation SSL Certificat...
CTX117348
6/24/08 6/24/08 544 Unrated
Case Study: Installing a Certificate on a NetScaler Appliance Displays a "resource already exists" Error Message
Problem Definition When the customer tried to install the certificate to the NetScaler appliance, the following error message appeared: "resource already exists" Background When you...
CTX117284
6/18/08 6/20/08 454 4444
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 6/17/08 429 Unrated
Using a NetScaler Appliance in the Use Source IP Mode
Problem Definition When using a NetScaler in the Use Source IP (USIP) mode, the customer experienced slow response to the client requests. For example, out of 20 backend servers deployed for ...
CTX117346
6/17/08 6/17/08 469 Unrated
Binding Multiple IP Addresses to an Interface of a NetScaler Appliance
Summary If you have configured a virtual local area network (VLAN) on an interface and try to bind multiple IP addresses to the same VLAN, an error message appears when binding the IP address...
CTX117345
6/17/08 6/17/08 813 22
Some Web Browsers Experience Problems with Certificates when Using a NetScaler for SSL
Symptoms Some Web browsers experience problems with certificates when using a NetScaler for SSL. Cause Some older Web browsers have issues with a particular certificate authority or don't hav...
CTX109872
5/21/08 5/21/08 954 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 5/21/08 513 Unrated
The DNS Server Fails to Resolve Domain Requests
Symptoms If the Domain Name System (DNS) server is not available, users cannot resolve domain requests. However, if you restart the switch and the DNS server, the issue is resolved. Cause Inv...
CTX116877
5/12/08 5/12/08 582 Unrated
How to Change the Mapped IP, NetScaler IP, and Routes Without Affecting the Production Traffic on a NetScaler High Availability Pair
summary This article describes how to change the Mapped IP (MIP), NetScaler IP (NSIP), and routes without affecting the production traffic on a NetScaler High Availability (HA) Pair. Because ...
CTX116835
5/9/08 5/9/08 1,005 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
Configuring SSL with Backend Encryption on the NetScaler Appliance Causes Delay in Response
Symptoms In addition to the SSL offloading, when the NetScaler appliance encrypts the backend traffic to the server, the “Page cannot be displayed” message is displayed intermittently if the ...
CTX116874
5/9/08 5/9/08 648 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
Virtual ID Conflict is Observed on the NetScaler High Availability Pair
Symptoms The console of the NetScaler appliance High Availability Pair displays an error message stating a conflict for the virtual ID (VRID). Cause You might have connected both the NetScale...
CTX116876
5/9/08 5/9/08 531 Unrated
How to Retrieve the Current Configuration after Upgrading the NetScaler Software on a High Availability Pair
Summary This article describes how to retrieve the current configuration after upgrading the NetScaler Software on a High Availability Pair. When you make any changes to the configuration of ...
CTX116837
5/9/08 5/9/08 555 55555
How to Enable TCP Traffic on a High Availability Pair after Upgrading it to the Latest Release of NetScaler Software
Summary This article describes how to enable TCP traffic on a High Availability pair after upgrading it to the latest release of NetScaler software. Consider the following scenario: A high av...
CTX116836
5/9/08 5/9/08 507 Unrated
The CPU Usage Reaches 100% and the Connections are Terminated on a NetScaler High Availability Pair
Symptom When you perform SSL offloading on NetScaler software release 6.1 on a high availability pair of NS9950 NetScaler appliances, the CPU usage reaches 100% and all the connections are te...
CTX116875
5/8/08 5/8/08 547 Unrated
How to Configure SSL VPN on a NetScaler Appliance to Access Enterprise Intranet Resources
Summary This article describes how to configure SSL VPN on a NetScaler Appliance to Access Enterprise Intranet Resources. You can use Secure Socket Layer Virtual Private Network (SSL VPN) as...
CTX117038
5/8/08 5/8/08 985 Unrated
Troubleshooting the Open Shortest Path First (OSPF) Feature on a NetScaler Device
Summary This article describes how to Troubleshoot the Open Shortest Path First (OSPF) Feature on a Citrix NetScaler. When you use the OSPF feature on the NetScaler appliance, the appliance s...
CTX117080
5/7/08 5/7/08 515 Unrated
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