A customer has established an AWS Direct Connect connection to AWS. The link is up and routes are being
advertised from the customer’s end, however the customer is unable to connect from EC2 instances inside its
VPC to servers residing in its datacenter. Which of the following options provide a viable solution to remedy this
situation? Choose 2 answers.
A.
Add a route to the route table with an iPsec VPN connection as the target.
B.
Enable route propagation to the virtual private gateway (VGW).
C.
Enable route propagation to the customer gateway (CGW).
D.
Modify the route table of all Instances using the ‘route’ command.
E.
Modify the Instances VPC subnet route table by adding a route back to the customer’s on-premises
environment.
Explanation:
https://myawsscribble.wordpress.com/2015/09/25/setting-up-and-configuring-aws-directconnect/
Correct Answer:B,E
A.Add a route to the route table with an IPSec VPN connection as the target (Wrong Because deals with VPN)
B.Enable route propagation to the Virtual Private Gateway (VGW)
C.Enable route propagation to the customer gateway (CGW)
(Wrong Because route propagation is enabled on VGW)
D.Modify the route table of all Instances using the ‘route’ command.
(Wrong Because no route command available)
E.Modify the Instances VPC subnet route table by adding a route back to the customer’s on-premises environment.
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