VMware is having two different CLIs called esxcfg-* and esxcli network * for managing and configuring ESXi Networking. In this Blog, we are going to discuss about esxcfg-nics and esxcfg-vswitch API to retrieve info about vSwitch and NIC cards installed on ESXi Host.
Virtual Networking is one of the Key components of Datacenter. If all your Critical VMs running on highly redundant & high speed SAN or Ethernet Network but if VMs can’t communicate with each other then everything is useless.
A VMware Virtual Switch is Layer-2 Switch embedded in VMkernel itself. It’s a virtual network living inside ESX Kernel providing interconnectivity between VMs and the external physical Network via Standard Networking Protocols.