BGP

I have been working on rearchitecting our backup cloud connectivity and am considering using Megaport’s cloud router (MCR) product. I’ll post again in the future with more details of the design and its implementation, but I wanted to write a short note of appreciation about Megaport’s provisioning interface. They provide a complete self-service portal and REST API. In addition, they provide a separate “staging” portal and API, where “all actions mirror the production system, but services will not be deployed and you will not be billed for any activity....

The problem A common AWS connectivity design is to have a direct connect (DX) connection with a VPN backup. There are some routing concerns to consider when implementing this design to make sure that traffic prefers the DX circuit and only uses the backup VPN path if the DX is unavailable. Traffic from AWS transit gateway (TGW) will always prefer the direct connect gateway (DXGW) path, but traffic in the other direction (to AWS) is dependent on the customer gateway (CGW) routing policy....