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VPC Peering

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  3. AWS Certified SysOps Administrator – Associate (SOA-C01)
  5. VPC Peering

  • Learning VPC Peering

  • connection between two VPCs
  • within the same region
  • request/accept protocol for setup
  • 1 to 1 relationship
  • no overlapping CIDR
  • cannot be different regions
  • no transitive routing
  • Connection between two VPCs that enables you to route traffic between them using private IP addresses via a direct network route
  • Instances in either VPC can communicate with each other as if they are within the same network
  • You can create VPC peering connections between your own VPCs or with a VPC in another account within a SINGLE REGION
  • AWS uses existing infrastructure of a VPC to create a VPC peering connection. It is not a gateway nor a VPN, and does not rely on separate hardware
  • There is NO single point of failure for communication nor any bandwidth bottleneck
  • There is no transitive peering between VPC peers (Can’t go through 1 VPC to get to another)
  • Hub and spoke configuration model (1 to 1)
  • Be mindful of IPs in each VPC, if multiple VPCs have the same IP blocks, they will not be able to communicate
  • You can peer VPC’s with other AWS accounts as well as with other VPCs in the same account

Get ready to boost your learning and prepare to become an AWS Certified SysOps Administrator – Associate. Try the VPC Peering Practice Test Now!

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