Port binding settings can be found under the General section of the portgroup settings on a dvSwitch: Port binding settings are only available for distributed vSwitches. Port binding defines how…
Whilst distributed switches are mostly configured through vCenter, there are a number of commands that can be used via an ESXi host’s CLI to display and alter vDS configuration (although…
This will be a short post intended to cover the VCAP-DCA objective around using portgroups to isolate network traffic. This topic overlaps slightly with my previous VCAP post about load…
I recently ran into this error when reconnecting a disconnected host to vCenter: The error message stated: Permission to perform this operation was denied. You do not hold privilege “System…
The settings on the NIC Teaming tab of a vSwitch or portgroup determine how network traffic traverses the network adapters in an ESXi host and how to respond to changes…
I see vmkfstools -punchzero quite a bit as one of the search terms leading to my other posts about vmkfstools, so thought it would be worthwhile giving this useful feature…
CDP and LLDP are discovery protocols that allow devices (or hosts in the case of ESXi) to share network information with the networking equipment they are connected to. Discovery protocols…
NetFlow is a network analysis tool that you can use to monitor network monitoring and virtual machine traffic and is useful to be aware of when you are thinking about…
There are a number of command line tools you can use to view and configure virtual switch settings. To start with there are the following esxcfg-/vicfg- commands: esxcfg-vswitch – Used…
There are a number of ways to migrate network configuration from a standard vSwitch to a dvSwitch. The method used is normally determined by factors such as how many hosts…