IP MPLS Routing, Service Provider Architectures, EVPN-VXLAN, Containerization and Kubernetes, Routing Protocols BGP OSPF ISIS, CLOS and Spine-Leaf Architectures, Multicast NAT GRE IPSec and Security technologies, Network Automation Frameworks, Data Center Networking, Python and API-driven Network Automation, Layer 2 Technologies LAG MC-LAG Virtual Chassis, MPLS Segment Routing L2VPN L3VPN, High Availability and Resiliency Designs