While there is an abundance of best practices and white papers on how to secure your Netscaler, I come across many implementations that are worryingly insecure. Whenever I highlight this with the IT Manager, engineering or the security team they are naturally keen to plug these holes asap. After some digging I normally find it's... Continue Reading →
GNS3 “Not enough space on flash to store vlan database”
GNS3 is a great application for practice, training and simulating network designs/changes when you don't have the luxury of a proper lab or dev environment. I came up against an issue today on a lab I had built for test purposes. I had already done the basic configuration for a bunch of routers, switches and hosts,... Continue Reading →
SD-WAN with Citrix Cloudbridge
SDN is a technology that I'm interested in but I've yet to get my hands dirty, being a 'Citrix Guy', I've been looking at their SD-WAN solution using Cloudbridge. I wasn't fortunate enough to make this years Citrix summit in Las Vegas but I enjoyed this demo of it in action, albeit a 'wee' bit cheesy... check... Continue Reading →
VMware vCenter IP Change – 503 Service Unavailable
One of my clients had endless issues with a problematic vCenter server running on Windows Server 2008R2. I recommended the vCenter appliance (vCenter 6 Update 1) and subsequently got asked to do the work... all went to plan, but I got a call a few weeks later to say it stopped working following a relativity... Continue Reading →