NSX-T 2.5: Overlay and VLAN Segments

NSX-T Segments create logically abstracted logical Switch which you can connect tenant workloads. A single Segment is mapped to a unique Gateway that is distributed across the ESXi hosts in a transport zone.

A Segment has different named references: “Segment” in the Simplified UI (Policy UI) and logical switch in the Advance UI (Manager UI).

Depending upon the “Transport Zone” (selected while creating a segment), a vLAN or Overlay segment is instantiated.

Follow the steps below to create a Overlay Segments.

1 – Select Networking > Segments > ADD SEGMENT.

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2 – Type a name, select the Tier-1 Gateway and the transport zone.

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3 – Select configure subnets and them configure the gateway.

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4 – Click save.

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5 – Continue configuring click NO.

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6 – And them validate the correct state.

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7 – Go to vSphere environment and validate the created segments .

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Follow the steps below to create a VLAN Segments.

1 – Select Networking > Segments > ADD SEGMENT.

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2 – Type a name and select the transport zone.

Note: For VLAN Segments we don´t need to attach the segment to a Tier-1 Gateway but we need to configure VLAN ID.

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3 – Click save and them continue configuring click NO.

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4 – Validate the active state.

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

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