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I have one vnet in Australia East and another in Australia southeast I need minimum latency setup between these 2 regions. I am looking at ER connection to both VNET but cant find any detailed guide on this. Traffic will be bidirectional. Please suggest if someone carried out something similar

Thanks

RB.
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1 Answers1

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There are three options to achieve connecting Vnet's in different regions:

  1. Global VNET peering
  2. VNET-to-VNET connection
  3. Expressroute

As for the question,

How to connect 2 cross region azure Vnet using express route ?

enter image description here Each VNET that is connected to an Expressroute circuit, becomes part of the same routing domain. This means that each VNET that is connected to Expressroute, regardless of whether it is in the same region or in a different region, will have connectivity to each other.

The connection between the two gateways would happen at the peering location, but would not go over the peered network. Meaning, the connection stays on the Microsoft network, but the hairpin happens at the peering location.

Reference: How to Link Vnet to ExpressRoute Circuit

Ansuman Bal
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