DevNet Professional case studies
DevNet Professional · Put your knowledge to work in context.
The DevNet Professional credential - also searched as CCNP Automation or Cisco Certified DevNet Professional - is Cisco's professional-level certification for network engineers who design, build, and operate automated network infrastructure. It sits above associate-level automation study and targets practitioners who already write code, consume APIs, and want to demonstrate job-ready automation skills across Cisco platforms and delivery pipelines. The DevNet Professional case studies are 5 cases and about 3,351 words.
1Choosing a Configuration Transport for a Mixed-Fleet Refresh
Your team owns 420 network devices: 250 Catalyst switches running IOS-XE 17.9, 120 Nexus switches on NX-OS 9.3, and 50 legacy ISR routers stuck on IOS 15.2 because of an application certification. Six network engineers and two Python developers currently push changes with a mix of SSH scripts and copy-pasted CLI.
734 words, about 4 min2Rate Limits and Async Tasks in a Catalyst Center Integration
An integration polls a Catalyst Center cluster every 5 minutes to populate a client-health dashboard for 1,800 access points across 60 sites. The script calls /dna/intent/api/v1/client-health once per site and then calls the task endpoint for each command-runner job it triggers.
697 words, about 3 min3A CI/CD Pipeline That Broke 12 Branch Routers
A GitLab CI pipeline runs an Ansible play against 60 branch routers with serial: 1 . The deploy job failed at host 13 because a Jinja variable was undefined for one hardware model.
661 words, about 3 min4Nightly Drift Reports Show 27% Non-Compliance
NetBox is the intended source of truth for 300 access switches. A nightly job renders intended config and diffs it against running-config; the latest run shows 81 devices (27%) out of compliance.
652 words, about 3 min5Replacing 15-Minute SNMP Polling with Model-Driven Telemetry
You operate 2,000 devices and have an SLA requiring interface-down detection within 30 seconds. Today SNMP polling runs every 15 minutes and SNMP traps are unreliable during storms: a recent fiber cut produced 4,000 traps in 90 seconds and the trap receiver dropped about 60% of them.
607 words, about 3 min