Distributed vswitch must be defined at the data center level by vcenter, a super switch across multiple ESX hosts (supported only by the Enterprise Plus version), which logically composes a single switch distributed across multiple ESX hosts into a "big" switch , each ESX standard switch is configured separately, now vcenter distributed vswitch can be centrally configured and managed at the data center level.
Leverage VMware Vnetwork distributed Switch to simplify deployment, management, and monitoring of virtual machine network connections. The VMware vnetwork distributed Switch provides a centralized control point for cluster-level network connections so that the network configuration in the virtual environment is no longer a host unit.
VMware vnetwork distributed Switch enables inline monitoring and centralized firewall services when virtual machines move across multiple hosts to maintain network Run-time state. It provides a framework for monitoring and maintaining the security of virtual machines as they move between physical servers, allowing the use of third-party virtual switches (such as Cisco Nexus 1000v) to extend common physical network functionality and control to virtual networks.
Distributed Vswitch logical architecture can refer to the following figure:
Distributed Vswitch combines virtual switches from several ESX servers into one large virtual switch, and all clients are connected to this large switch, which is suitable for large-scale network deployments.
To create a distributed vswitch distributed switch to be managed under the Inventory-network interface.
Click "Add vsphere Distributed VSwitch"