1 — Mid-level Python for NetOps

• Virtual Environment: venv, pip/poetry, project structure, logging, env vars/.env

• Device inventory with YAML/JSON/TOML

• CLIs with Click/Typer

• Arguments and input validation

• Error handling

• Retry/backoff

• Job scheduling

2 — Secure device access (CLI Automation)

• SSH via Netmiko/Paramiko

• Concurrency with ThreadPool/ProcessPool

• Keyring/password manager

3 — Templating & config generation

• Layered inventory design

• Jinja2 templates (VRF, VLAN, OSPF/BGP, QoS, NTP/SNMP)

• NAPALM

4 — NETCONF/RESTCONF & YANG

• YANG overview

• Common models (Cisco IOS-XE, OpenConfig)

• RESTCONF with requests

• NETCONF with ncclient

• XPath/JSON filters

• Read/write state & config

5 — Network automation frameworks

• Nornir as execution engine

• NAPALM and pyATS

• Pipeline design: Collect → Validate → Change → Verify

6 — Telemetry & monitoring

• SNMPv3 with pysnmp (poll/trap) and KPI collection

• Model-driven telemetry (gNMI/gRPC)

• Setup, ingest, storage

7 — Automated troubleshooting

• TSHOOT scenarios: convergence

• ACL/NAT mistakes

• MTU/QoS issues

• Troubleshooting playbooks: evidence collection, correlation, actions

8 — Network security with Python

• Log/flow analysis (Syslog/NetFlow/IPFIX)

• Generate/review ACL/NAT/objects

• Find duplicates/unused rules

• Cisco FTD/FMC API

• Cisco ISE (ERS/MnT) APIs

9 — Mini automation platform

• Design Inventory + Job Runner + API + Reporting with FastAPI + Nornir

• Job queues (RQ/Celery), scheduling, run tracking

• Lightweight dashboard for status/results (Streamlit or simple web panel)

10 — DevOps for NetOps

• Git team workflow, branching, code review

• pre-commit, formatting (black/ruff), type checking (mypy)

• CI/CD with GitHub Actions: test, package, internal release

Secrets management (Vault/Secrets Manager), centralized logging