You have three VPCs: A, B, and C. A is peered with B, and B is peered with C. Why can’t A directly communicate with C through B, and what AWS service would solve this limitation?

Question

Lingesh Kumar K · Accepted Answer

VPC peering does not support transitive routing, so A cannot reach C through B. AWS Transit Gateway solves this by acting as a central hub to connect multiple VPCs.

You have three VPCs: A, B, and C. A is peered with B, and B is peered with C. Why can’t A directly communicate with C through B, and what AWS service would solve this limitation?

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