Networking fundamentals · Advanced · 6 h

Connecting networks

Longest-prefix routing, VPC peering, transit gateways, site-to-site VPN and private DNS across cloud and office networks.

Why employers care: Network engineers are hired to connect many networks safely. Overlapping ranges, asymmetric routes and DNS that resolves differently in each network are the classic hard problems.

In the roadmaps for: Cloud and Network Engineer

Lessons, in order

Routing between networks: peering, transit, VPN and private DNSFollow packets through a route table with longest-prefix matching, and choose between peering, a transit hub and VPN when connecting cloud and office networks.4 min