With the release of NetScaler 11.1 there was a new API module available which I haven’t seen before which was “install” API which allows us to handle upgrades/downgrades of NetScaler versions using the NITRO API. There isn’t so much about it on the docs yet, luckily I got some response from the NetScaler team on […]
Managing NetScaler upgrades using NITRO API Read More »
So today I was asked to help troubleshoot an issue where an customer had setup a new pair of NetScaler MPXs which was setup using LACP and different VLANs, after the initial setup and started with a basic load balancing setup for Storefront 3.1, stuff were not working. The service was working as it should,
The case of the HTTP traffic not working NetScaler Read More »
So this weekend I was tasked with trying to setup OMS syslog monitoring against Linux targets which was not supported as part of the OMS agents. Now the supported list of OMS Linux agents are the following: Amazon Linux 2012.09 –> 2015.09 (x86/x64)CentOS Linux 5,6, and 7 (x86/x64)Oracle Linux 5,6, and 7 (x86/x64)Red Hat Enterprise
Monitoring Syslog from OMS with non-oms agents Read More »
So after reading trough alot of forum posts and blogposts on the subject and also getting alot of feedback on my previous ebook I decided to write a blogpost on the subject. Let us consider the following we have a NetScaler two-arm mode where we have an service located in DMZ and backend-server on another
NetScaler and traffic flow explained Read More »
Now this is something I have been planning a post on for some time, ever since I started working with the C# library to do NITRO API calls against NetScaler. I was planning and started on a a PowerShell module for NetScaler, but still someone beat me to the race, so no reason to reinvent
NetScaler and PowerShell cmdlets Read More »
Sometimes when setting up a new NetScaler and migrating virtual servers from an old one to another, it is quite often that one might forget to disable or shutdown older vServers. Now NetScaler has features to disable different network settings, so this post I want to explain what each option does. In a layer 2
NetScaler and basic functions, status of vServers and ICMP ARP operations Read More »
So alas, it is here! This is something I have been working on for some time now, and my intention is that this is just the beginning of something bigger.. (Hopefully) For a couple of years now I have been writing for Packt Publishing and authored some books on NetScaler which has been a fun
Free eBook on Optimizing Citrix NetScaler and services Read More »
As part of the latest release from Citrix Netscaler V11, there was an interesting feature added to the firmware. Which in essence allows ut to add a NO-IP Virtual AAA server, which allow us to add multiple resources lets say behind a CSW vServer where we only use one VIP. This is part of the
Netscaler and AAA with CSW One VIP Read More »
From time to time we need to setup load balancing to a SSL based service or when setting up connection to a secure Storefront (which is the default) there is one thing that alot of people are missing from the config when setting up, which results in wierd issues or getting SSL handshake errors from
Testing SSL from Netscaler–Issues with SSL handshake Read More »
So I got a question earlier today, if it was possible to load balance a specific port range within Netscaler. Now by default we cannot specify a port range when setting up a load balanced vServer or setting up services. In order to ensure that traffic from a specific endpoint going to the same backend
Load balancing port ranges with Netscaler Read More »
