Learn the key steps for connecting to public AWS services like EC2 and S3 via AWS Direct Link, and find out which one is not actually required.
Table of Contents
Question
To connect to public AWS products such as Amazon EC2 and Amazon S3 through the AWS Direct Link, which step is NOT required?
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A. Provide the public routes that you will advertise over Border Gateway Protocol (BGP).
B. Provide a public Autonomous System Number (ASN) that you own or a private one to identify your network on the Internet.
C. Allocate a Private IP address to your network in 172.x.x.x range.
D. Provide public IP address (/31) for each Border Gateway Protocol (BGP) session.
Answer
To connect to public AWS services like Amazon EC2 and Amazon S3 through AWS Direct Link, the step that is NOT required is:
C. Allocate a Private IP address to your network in 172.x.x.x range.
Explanation
When connecting to public AWS services over Direct Link, you need to:
A. Provide the public routes you will advertise over BGP
B. Provide a public or private ASN to identify your network
D. Provide a public /31 IP address for each BGP session
However, allocating a private IP address in the 172.x.x.x range (option C) is not necessary. Private IP addressing is used for connecting to VPCs over Direct Link, but not for accessing public services. For public services, you advertise public IP routes and use public IPs for the BGP sessions.
In summary, while private IP allocation is important for certain Direct Link use cases, it can be skipped when the goal is purely connecting to public AWS offerings like EC2 and S3. The crucial steps are providing your advertised public routes, identifying your network with an ASN, and specifying public IPs for BGP sessions.
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