VMware have released a Best Practice guide for DMZ implementations in a VMware ESX infrastructure.

It outlines the three main implementation routes and discusses the advantages and disadvantages below:

Read the rest of this entry

For all of you out there that have recently started buying the Nortel layer 2-7 Switch Modules for your IBM BladeCenter H because they can be cheaper than there Cisco counterpart with more functionality, check out this article.

It points out how to resolve some of the issues that you may be having with VLANs and ESX. The crux being that by default the Nortel Switch will tag the default VLAN so unless the Service Console is configured with the same VLAN tag, then things get messy. A simple checkbox is all that is required to fix this problem, but check out the article for more information.