vlan - v12n.io

vlan

A collection of 5 posts

Do my ESXi hosts have the same VLANs?

In a small vSphere environment that I've recently been working on, I started to notice that some of my VMs were disappearing off the network from time to time. Reboots of the VM didn't seem to fix the issue but a quick vMotion of the VM to another host did.

Creating VLANs in DD-WRT (Part 3)

In the second part of this post [http://www.vspecialist.co.uk/creating-vlans-in-dd-wrt-part-2] I completed the setup of VLANs on my WNR3500L router. To make them available to hosts (and VMs) I now have to configure my Cisco SLM2008 switches. Fortunately that turns out to be fairly simple. The SLM

Creating VLANs in DD-WRT (Part 2)

In the first part of this post [http://www.vspecialist.co.uk/creating-vlans-in-dd-wrt-part-1] I created some VLANs on my NetGear WNR3500L router that I've flashed with DD-WRT firmware. In this second part of the post I will be assigning IP address ranges to those VLANs and configuring the router's firewall.

Creating VLANs in DD-WRT (Part 1)

I'm breaking this post up into 3 parts because it does go on a bit. * Part 1 – An overview of what I'm trying to do and creating VLANs on the router * Part 2 – Configuring IP ranges and the router's firewall * Part 3 – Configuring VLANs on the SLM2008 switches Recently I

PowerCLI: Adding New PortGroups

I'm sure that someone somewhere has written a script exactly like this in the past but I wanted to write my own for a number of reasons. While I'll probably never be a PowerCLI hero, it really doesn't hurt to keep in practice and hone your skills. Let's start with