As I’ve mentioned before, I’ve got a Dell PowerConnect 6224 in my vSphere lab. When I first started setting up my vSphere environment, I had some difficulties with configuring the Dell switch to support external switch tagging (EST) and virtual switch tagging (VST) VLAN modes. The VMware KB has a bunch of great information (KB 1008001, KB 1004074, KB 1006628, KB 1004127) about Cisco switching, but Dell switching isn’t covered. Sadly, there’s not a whole lot of great Dell switch configuration information in VMware environments to be found on the Web, although Dennis Smith from the Dell Tech Center says he will be providing more as the year progresses. [Read more…] about Configuring EST & VST VLAN tagging with Dell PowerConnect: VMware vSphere