Your company has set up AWS Direct Connect to connect on-premises to an Amazon VPC instance. Two Direct Connect connections terminate at two different Direct Connect locations. You are using two routers, R1 and R2, at your end (one of each Direct Connect connection). R1 and R2 do NOT have connectivity between them. Both routers advertise the same routers over BGP to the VGW. You have a stateful firewall on each router. The routers drop some of the traffic coming from the VPC. Which two actions should you take to fix this problem? (Choose two.)
A) Use BGP AS prepend attribute to prepend additional AS numbers while advertising routers from R1 to VGW.
B) Use BGP local preference attribute to assign R1 to a lower local preference number than R2.
C) Use BGP local preference attribute to assign R1 a higher local preference number than R2.
D) Use BGP MED attribute to assign a higher MED value to the routes advertised R1 to VGW.
E) Use BGP MED attribute to assign a higher MED value to the routes advertised from R2 to VGW.

Question

Quizplus · Accepted Answer

BGP AS prepend attribute can be used to prepend additional AS numbers while advertising routers from R1 to VGW, which can change the path of the traffic and avoid the stateful firewall on R1. BGP local preference attribute can be used to assign R1 a higher local preference number than R2, which will make the VGW prefer the routes advertised from R1 over the routes advertised from R2.

Your Company Has Set Up AWS Direct Connect to Connect