Learn about LAG – Link Aggregation Groups » –

LAG or Link Aggregation Group is a feature of AWS Direct Connect (DX). Use in cases where there are multiple AWS DX connections between on-premises and AWS Cloud that can be pooled for a large aggregate performance.

For example: There are 02 10Gbps DX lines, which can be combined into 1 20Gbps line.

However, to be able to configure AWS LAG you need to ensure the following conditions:

  1. All links in LAG must be in active/active mode
  2. All connections in the same LAG must have the same bandwidth. For example, 1Gbps cannot add a 10Gbps line…
  3. Maximum number of DX connections per LAG: 4
  4. All DX Connections must terminate in the same AWS DX Endpoint.

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