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Mac address emulator windows 7 software#

The VXLAN encapsulation provides a VNI that can be used to provide segmentation of Layer 2 and Layer 3 data traffic. VXLAN is a MAC-in-UDP encapsulation method that is used in order to extend a Layer 2 or Layer 3 overlay network over a Layer 3 infrastructure that already exists. VLAN has been running in the DC for many years but with the rapid growth of Virtualisation, On-demand VM, the increasing customer 4K VLAN is not sufficient.Īlso, because of the limitation of STP such as link/path utilization convergence issues, MAC table size and some of the network links are under utilized.

In contrast, VXLAN packets are transferred through the underlying network that is based on its Layer 3 header and takes complete advantage of layer 3 routing, ECMP and link aggregation protocols use all available paths. VLAN uses Spanning Tree Protocol (STP) for Loop prevention, which ends up not being able to use half of the network by blocking redundant paths. Background Information Why you need a new extension for VLAN?

If your network is live, ensure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment.

Mac address emulator windows 7 software#

NX-OSv9K is a demo version of the Nexus Operating System Software.

The information in this document is based on these software and hardware versions: Prerequisites RequirementsĬisco recommends that you have knowledge of these topics: VXLAN works when you add a header to an Ethernet frame that makes it routable across an IP network. Also, how hosts inside a VXLAN network communicate with end points outside that network is discussed.Ĭontributed by Sabyasachi Kar, Cisco TAC Engineer. This document describes how Virtual Extensible LAN ( VXLAN) helps data center operators support multitenancy, enables Equal Cost Multi-Pathing (ECMP) in order to make use of available paths, and avoid the perils of Spanning Tree.