Isolating vSphere Replication Traffic

Prior to vSphere 6, the replication traffic was sent and received using the management interfaces of ESXi and VRA appliances. With vSphere 6 it is possible to send the replication traffic over a separate dedicated interface.

By default, the  Read More

Distributed Switch Port Group Bindings

In a vSphere environment where vDS is being used for networking connectivity, there are several options available for what should be the type of port binding that is to be used for a portgroup. Have you ever wondered which Port Binding setting is most

Network IO Control in vSphere 6

In this post we will discuss about what is NIOC and why we need it. We will also configure NIOC in lab. 

What is Network IO Control (NIOC)?

Network I/O Control (NIOC) was first introduced with vSphere 4.1 and it

Find vCloud Director Orphaned VM’s

We all are familiar with concept of orphaned VM’s in vSphere. However orphaned VM’s in vCloud Director have slightly different meaning. 

From vCD perspective, virtual machines that are referenced in the vCenter database but not in the vCloud Director database are

vCloud Director 9.0 Released

Yesterday VMware released vCloud Director 9.0 and this version of vCD brings many new things on table which customer’s were looking for some time. We will discuss about Whats new with this release. Vcloud Director 9.0 was first anoounced by VMware in

VLAN tagging and PVLAN’s in vSphere 6

VLAN’s enable a single physical LAN segment to be further isolated so that groups of ports are isolated from one another as if they were on physically different segments. Using VLAN’s, administrator get following advantages:

  • Integrates the host into a pre-existing

Switch Discovery Protocols

In physical networking space, switches are connected to one or more adjacent switch forming a web of switches which can talk to each other. This web of switches is referred as “neighbourhood of switching”.

Virtual switches (standard or vDS) are connected

Configuring NetFlow in vSphere 6

NetFlow is a mechanism to analyze network traffic flow and volume to determine where traffic is coming from, where it is going to, and how much traffic is being generated. NetFlow-enabled routers export traffic statistics as NetFlow records which are then collected

LACP Configuration in vSphere 6

I am currently going through VCAP 6 objective 3.2 and the very firts task in this objective is to deploy a LAG and Migrate to LACP. Although I have read about this in past and we use this in our production environment, I never

Configuring and Managing VMkernel TCP/IP Stacks

While working through VCAP6-Deploy blueprint I stumbled upon topic TCP/IP stack configuration. I have seen this many times in my lab while configuring networking stuffs and had a basic idea of what is the purpose of using custom TCP/IP stack. Suprisingly this