Notice of Change Announcement for NetScaler SD-WAN 1000-WS (Windows Server Edition), 4000-WO (WAN Optimization Edition) and 5000-WO (WAN Optimization Edition)

Citrix Systems, Inc. announces End of Maintenance for Citrix ADC NetScaler SD-WAN 1000-WS Windows Server Edition, 4000-WO WAN Optimization Edition and 5000-WO WAN Optimization Edition appliances. The tables below explain the Citrix NetScaler SD-WAN lifecycle management milestones as well as...

Citrix SD-WAN Path State Sensitivity Control Overview

Bad Loss Sensitive – Select a setting from the drop-down menu. The options are: Enable– Default If enabled, paths will be marked BAD due to loss, and will incur a path scoring penalty. Disable – Disabling Bad Loss Sensitive can be useful when the loss of bandwidth is intolerable. Custom – Select...

FAQ: Single-Step Upgrade for SD-WAN Appliances to 9.3.x

Question: Should I use .tar.gz, or single step upgrade .zip package to upgrade to 9.3.x from my current version 8.1.x, 9.1.x, 9.2.x? Answer: Use the .tar.gz files of the concerned platforms to upgrade the SD-WAN software to 9.3.x. After the SD-WAN software is upgraded to 9.3.x version, perform...

How to gracefully shutdown SD WAN

This articles talks about the procedure on how to shutdown the SD WAN when there is any maintenance activity in place in the DC or Branch...

How to Collect Diagnostic Data on NetScaler SD-WAN Appliance

This article describes how to capture diagnostic data on NetScaler SD-WAN WANOP appliance using Graphical User Interface GUI...

Upload Failed due to an Internal Error - When Upgrade SD-WAN Center 9.0.0

When a customer attempts to upgrade their SD-WAN Center from 9.0.0 to versions 9.1.0 or above, they face the below error message in the GUI: Customer can also see the below error message in their browsers: Warning: POST Content-Length of 76632859 bytes exceeds the limit of 62914560 bytes in Unkno...

How to log on using the Command Line Interface on NetScaler SD-WAN WANOP

This article describes accessing NetScaler SD-WAN WANOP appliance using command-line interface CLI...

How to Upgrade NetScaler SD-WAN WANOP Appliance from 7.x to 9.3.x Version

This article provide steps to upgrade NetScaler SD-WAN WANOP appliance from 7.x to 9.3.x version...

Steps to Add Secondary MCN in SD-WAN HA

Configure Secondary MCN in SD-WAN High Availability...

How to Run Packet Capture on NetScaler SD-WAN WANOP

This article describes how to run packet capture on NetScaler SD-WAN WANOP...

Testing HA Failover on NetScaler SD-WAN

Site level HA works in a way independent to the virtual path state of the site with other sites. Meaning if the physical links are down while one appliance is serving as active, then it will be the same case for the standby as well as the same physical link will be used by standby too and hence...

Calculate MSS Value for NetScaler SD-WAN Appliances

By default, the MSS value is defined as 1380 bytes in aNetScaler SD-WANappliance, assuming the WAN infrastructure allows a standard IP packet maximum transmission unit MTU size of 1,500 bytes. Some WAN infrastructures might not provide enough space for MSS of 1380 bytes because additional protoco...

How To Replace Defective SSD/HDD of a NetScaler SD-WAN 4000 or 5000 Appliance

This article describes how to replace defective SSD/HDD of a NetScaler SD-WAN 4000 or 5000 appliance...

How To Change The Default Password of nsroot User of a NetScaler SD-WAN WANOP Edition Appliance

The objective of this article is to provide the correct procedure to change the default password of nsroot user of a NetScaler SD-WAN WANOP Edition Appliance. SVM and XS instance can be accessed via CLI and customers can potentially change the password via the CLI. In this case the SVM password c...

CVE-2017-14602 - Authentication Bypass Vulnerability in the Management Interface of Citrix NetScaler SD-WAN/CloudBridge 4000, 4100, 5000 and 5100 WAN Optimization Edition Appliances

Description of Problem A vulnerability has been identified in the management interface of the Citrix NetScaler SD-WAN/CloudBridge 4000, 4100, 5000 and 5100 WAN Optimization Edition appliances. This vulnerability, if exploited, could allow an attacker with access to the management interface of the...

Best Practices for Deployment of CITRIX SD-WAN

To configure the management access of SDWAN in a secure manner. https://docs.netscaler.com/en-us/citrix-sd-wan Citrix SD-WAN editions are typically deployed in an enterprise private network. We recommend that you deploy the Citrix SD-WAN solution wherein the management IPs are accessible only fro...

The vulnerability of the delivery interface component in NetScaler SD-WAN applications allows a attacker to execute arbitrary shell commands.

The vulnerability of the control interface component for NetScaler SD-WAN applications exists due to insufficient validation of input data. Exploiting this vulnerability allows a malicious actor to execute arbitrary shell commands with root privileges, using the CGISESSID cookie file...

FAQ: NetScaler SD-WAN Center and Hardware Requirements

Question: Is It Possible to Increase the Cores and RAM of an Existing SD-WAN Center VM? Answer: Yes it is possible to increase the cores and RAM of an existing SD-WAN Center VM. If the hypervisor has sufficient resources shutdown the SD-WAN Center instance and increase the Cores and RAM to the...

How To Add Additional Storage to an Existing SD-WAN Center VM

The objective of this article is to provide assistance on how to add some additional storage from what was initially configured during the initial import of a NetScaler SD-WAN Center VM...

IPS as a Service Blocks WannaCry Spread Across the WAN

One of the most devastating aspects of the recent WannaCry ransomware attack was its self-propagating capability exploiting a vulnerability in the file access protocol, SMB v1. Most enterprises defences are externally-facing, focused on stopping incoming email and web attacks. But, once attackers...