NSX-T 2.5: Configure Transport Zones


Transport zones dictate which hosts and, therefore, which VMs can participate in the use of a particular network

Types of Transport Zones

  • Overlay: Overlay transport zone is used by both host and NSX Edge transport nodes. When a host or NSX Edge transport node is added to an overlay transport zone, an N-VDS is installed on the host or NSX Edge.
  • VLAN: VLAN transport zone is also used by both host and NSX Edge transport nodes but for its VLAN uplinks.

What is N-VDS?

The N-VDS allows virtual-to-physical packet flow by binding logical router uplinks and downlinks to physical NICs.

Follow the steps below to create a Tranport Zone.

1 – Select System > Fabric > Transport Zones > Add.

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2 – Enter a name for the N-VDS and Select an N-VDS mode.

  • Standard – Mode that applies to all the supported hosts.
  • Enhanced Datapath – Is a networking stack mode that applies to only transport nodes of ESXi host version 6.7 and later type that can belong in a transport zone.

Note:

  • If the N-VDS mode is set to Standard, select a traffic type.
    The options are Overlay and VLAN.
  • If the N-VDS mode is set to Enhanced Datapath, select a traffic type.
    The options are Overlay and VLAN.

The enhanced datapath mode, only specific NIC configurations are supported. Make sure that you configure the supported NICs.

We are going to create (3) three transport zones.

Transport Zone Name

Transport Zone Type

Details/Relevance

TZ-STD-OVERLAY-21 Overlay Geneve Encapsulated Traffic
TZ-STD-VLAN-21 vLAN NSX-T Distributed Switch
TZ-STD-VLAN-ToR-21 vLAN Top of the rack switch network

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3 – Validate the configuration.

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Hoping you have enjoyed this post, see you next time.

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