CCIE

Every network automation interface speaks in one of three data formats. RESTCONF uses JSON. NETCONF uses XML. Ansible and most

Copying a router config, pasting it, and changing the IP addresses by hand is how configuration errors are born. Jinja2

Off-box automation - a Python script on a server driving routers over SSH - is where most network automation lives, and

There is a full Linux environment hiding inside your router. Guest Shell is a Linux container (CentOS or a minimal

Services break in ways that routing never does. A route either exists or it does not; a NAT translation either

IPv6 does several things differently from IPv4, and a few of them are genuinely better - once you understand them. Prefix