Cisco Systems and the Certification Ladder: IOS, IP Services, Automation and the 200-301 Blueprint

Deep End Era. Engineering with Sankalp · Oct 29, 2026 · 1h 14m

Forty new switches, one text-file template, and an exam on Thursday. By Sunday evening Arjun has pasted eleven configurations and made two typos. Mei shows him how to do the other twenty-nine in fifteen minutes, but only after he can explain every line of what he's automating.

Chapters

00:00:00 Opening: forty switches and one exam week

00:03:03 Cisco: from Stanford to the backbone of the internet

00:07:55 IOS, IOS XE, IOS XR, NX-OS and the cloud

00:12:50 The command line, by ear

00:18:26 IP services: time, addresses, names and translation

00:23:16 Watching the network: SNMP, syslog and…