network virtualization , Nat, Ipv4, Routing And Switching, Ipv6, Dns, DHCP, Shell, Vpn, Qos, automation, Vxlan, Python, Sdn, network security, BGP, Load Balancing, Wireless Networking, OSPF, cloud connectivity, IS-IS, SASE, Go, Mpls, EVPN, high availability architecture, network observability, Wi-Fi 7, Wi-Fi 6, Zero Trust, SD-WAN