VLAN Tagging : EST, VST, VGT

Virtual LAN (VLAN) implementation is recommended in ESXi/ESX networking environments because:

  • It integrates ESXi/ESX into a pre-existing network
  • It secures network traffic
  • It reduces network traffic congestion
  • iSCSI traffic requires an isolated network

In virtualized environment, with VMware we deal with three Tagging Techniques:

    Ethernet packets are extended by four bytes with this VLAN Tag as shown in below.

    I have covered the three VLAN Tagging Techniques to a greater detail with Advantages and disadvantages, click on the following links:

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