NetScaler Application Delivery Software 6.1: Networking

Technotes Created Modified Read Rating
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 8/8/08 463 Unrated
How to Set up Link Aggregation and VLAN Trunking on a NetScaler
Summary This document shows the basic configuration needed to set up an 802.3ad link aggregate between a NetScaler and a switch that supports Link Aggregation Control Protocol (LACP). On top ...
CTX117113
6/25/08 6/25/08 384 1
How to Restrict Access Gateway Enterprise Edition from Displaying Your Listening Ports
Summary This article describes how to restrict Citrix Access Gateway Enterprise Edition from displaying your listening ports. Background When you perform a scan for ports with Access Gateway ...
CTX117107
5/30/08 5/30/08 299 55555
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 5/28/08 247 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 5/9/08 250 Unrated
How to Configure Outbound Link Load Balancing for Two ISP Links on a NetScaler Appliance with Reverse Network Address Translation
Summary This article describes how to configure Outbound Link Load Balancing for Two ISP Links on a NetScaler Appliance with Reverse Network Address Translation (RNAT) You apply the Link Load...
CTX116995
5/8/08 5/8/08 406 4444
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 4/21/08 470 Unrated
FAQ: What is the trunk option on a Netscaler interface used for?
Q: What is the trunk option on a NetScaler interface used for? A: Different network equipment vendors use the term trunk differently. Some use it to describe a switch port capable of carryi...
CTX115575
1/21/08 1/21/08 613 55555
How to Configure a NetScaler to Authenticate Against the Global Catalog Server
Summary In a multi-domain forest the Active Directory (AD) database becomes partitioned such that each domain maintains a list of only those objects that belong in that domain. For example, a...
CTX113655
1/4/08 1/7/08 519 Unrated
How to Configure Link Redundancy Using a Failover Interface Set
Configuring the Netscaler to for link redundancy to overcome the switch being a single point of failure.
CTX114657
1/4/08 1/4/08 1,115 Unrated
Troubleshooting NetScaler High Availability Issues
Summary This document describes how to troubleshoot NetScaler High Availability issues. Procedure To configure NetScaler systems for High Availability (HA) mode, consider the following points...
CTX109013
4/13/06 12/5/07 12,765 4444
The Firewall Does Not Update the Address Resolution Protocol Table
Q: The firewall does not update the Address Resolution Protocol (ARP) table. Do you need to make any changes in the Group Address Resolution Protocol (GARP) settings? A: Citrix has found that some...
CTX112701
11/27/07 11/27/07 601 22
Active Directory Group Extraction for LDAP
Summary This document discusses how to configure the NetScaler to allow access to the NetScaler VPN based on Active Directory groups through Lightweight Directory Access Protocol (LDAP) authentica...
CTX111079
6/25/07 6/25/07 8,370 Unrated
How to Load Balance Web Interface with a NetScaler
Summary This article describes how to load balance Web Interface with a NetScaler. Background When a NetScaler is used to load balance Web Interface, it uses either the Management IP (MIP) address...
CTX111080
1/31/07 4/6/07 8,180 1
How to Configure Direct Server Return
Summary This article describes how to configure Direct Server Return (DSR). Background The concept behind DSR is that the traffic is sourced through the NetScaler, however, the return traffic from...
CTX110501
11/14/06 11/14/06 7,034 55555
What is the -tagged parameter used for?
Q: What is the –tagged parameter used for? A: The –tagged parameter is used when binding a virtual LAN (VLAN) ID to a physical interface (or LA channel), to put that interface in that VLAN. Fram...
CTX110541
10/25/06 10/25/06 3,957 Unrated
How do I configure RNAT for specific hosts?
Q: How do I configure Reverse Network Address Translation (RNAT) for specific hosts? A: You can configure RNAT using the set ns rnat command. > set ns rnat < private_ip_address/network...
CTX110499
10/24/06 10/24/06 3,860 4444
What is the -trunk Parameter Used For?
Q: What is the –trunk parameter used for? A: The –trunk ( ON | OFF ) parameter can be set on an interface (or Link Aggregation channel) to put the interface in “trunk mode.” For example: > se...
CTX110540
10/23/06 10/23/06 3,502 Unrated
What is Reverse Network Address Translation and How is it Different from Network Address Translation?
Q: What is Reverse Network Address Translation (RNAT) and how is it different from Network Address Translation (NAT)? A: RNAT is the same as NAT. RNAT is just the terminology used by NetScaler fo...
CTX110500
10/13/06 10/13/06 4,815 Unrated
Is it possible to have a multiple-area OSPF configuration in NetScaler?
Q: Is it possible to have a multiple-area Open Shortest Path First (OSPF) configuration in NetScaler? A: No, NetScaler supports only type 1, type 2, and type 3 link-state advertisement (LSA). I...
CTX110495
10/13/06 10/13/06 3,993 1
Understanding Metric Exchange Protocol and Monitors for Global Server Load Balancing
Summary This document provides an overview of Global Server Load Balancing (GSLB), Metric Exchange Protocol (MEP), monitors, and their relationship in the load balancing decision. Prerequisites ...
CTX111081
10/10/06 10/12/06 5,505 55555
How do You Run a Continuous Ping on the NetScaler with Different Packet Sizes and Source IP Addresses?
Q: How do you run a continuous ping on the NetScaler with different packet sizes and source IP addresses? A: The number of packets sent by a ping by default is infinite. The –s parameter can b...
CTX110502
10/10/06 10/10/06 7,610 Unrated
The NetScaler 12000 System does not Pass Traffic on Interface 0/1
Symptoms When connecting the NetScaler 12000 system to a switch through the 0/1 interface located on the back of the system, it may not pass traffic even though the NetScaler has been configured w...
CTX111108
10/10/06 10/10/06 3,266 Unrated
How do You Clear the RX and TX Counters on a NetScaler's Interface?
Q: How do you clear the RX and TX counters on a NetScaler interface? A: The  clear interface  <id> command clears the RX and TX counters on that particular interface. This command clears th...
CTX110496
10/9/06 10/10/06 3,504 Unrated
HTTP-ECV Monitor Probes Are Failing
Symptoms A custom monitor of type HTTP-ECV has been defined, but is failing probes even though the configured page can be accessed on the Web server. Cause A custom monitor of type HTTP-ECV may be...
CTX110167
8/30/06 8/30/06 5,211 55555
After Connecting a New 7000 Series NetScaler to the Network and Setting the Link to 100/full, the Link Doesn't Come up After a Failover. Why?
Q: After connecting a new 7000 series NetScaler to the network and setting the link to 100/full, the link doesn’t come up after a failover. Why? A: This is a known issue where the NetScaler fails...
CTX110083
8/1/06 8/2/06 4,020 Unrated
After Installing a New 6.1 NetScaler System and Configuring the Basic Settings, Including a Basic Load Balancing Virtual IP Address and Services, All the Services Remain Down
Symptoms After installing a new 6.1 NetScaler system and configuring the basic settings, including a basic Load Balancing virtual IP address (VIP) and services, all the services remain down. Cause...
CTX110081
7/28/06 7/28/06 610 Unrated
Behavior of Address Resolution Protocol (ARP) and Gratuitous ARP on the NetScaler
Summary This document describes the behavior of the Address Resolution Protocol (ARP) and Gratuitous ARP (GARP) on NetScaler devices. Background Typical network devices use ARP to locate the hardw...
CTX109980
7/27/06 7/27/06 847 55555
The Switch the NetScaler System is Attached to Constantly Relearns the NetScaler's Media Access Control Address. Is Something Wrong?
Q: The switch my NetScaler system is attached to constantly relearns the NetScaler's Media Access Control (MAC) address. Is something wrong? A: This indicates a layer 2 media access protocol misma...
CTX109873
7/10/06 7/10/06 3,885 Unrated
What is the Maximum Number of Virtual LANs That Can be Created on a Netscaler System?
Q: What is the maximum number of virtual LANS (VLANs) that can be created on a Netscaler system? A: A maximum of 4,096 VLANs can be created on a NetScaler system. This is in agreement with the 80...
CTX109861
7/7/06 7/7/06 4,943 4444
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