NETCONF with ncclient on Cisco IOS-XE
An introduction to NETCONF from Python with ncclient — datastores, capabilities, get-config filters, edit-config, and the candidate/commit transactional workflow on IOS-XE.
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July 11, 2026
REST APIs with requests: Talking to DNAC and Meraki-Style Controllers
Drive network controllers with Python's requests library — HTTP verbs, status codes, token auth, JSON bodies, and the token-then-query pattern used by DNA Center and Meraki.
July 10, 2026
Jinja2 Templates: Generate 100 Switch Configs from One Template
Use Jinja2 to turn a YAML inventory into finished device configs — expressions, loops, conditionals, file-based templates, and filters, the same engine Ansible uses.
July 9, 2026
YAML and JSON for Network Inventories and Configs
Read and write YAML and JSON from Python to separate network data from code — json vs yaml, safe_load, and an inventory-driven Netmiko pattern with no hardcoding.
July 8, 2026
NAPALM: One API for Cisco, Arista, and Juniper
NAPALM gives network engineers one Python API across Cisco, Arista, and Juniper — normalized getters plus config diff, commit, and rollback for safe multi-vendor automation.
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June 4, 2026
Multi-Vendor SSH with Netmiko: send_command and send_config_set
Netmiko makes router SSH automation easy: send_command with TextFSM parsing, send_config_set for changes, save_config, enable mode, and fleet-wide pushes with error isolation.
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June 3, 2026
SSH Automation with Paramiko: Your First Hello, Router in Python
Drive a real SSH session to a router from Python with Paramiko — exec_command vs invoke_shell, disabling paging, handling auth failures, and a reusable connect-and-run helper.
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June 2, 2026
Socket Programming Basics: A Tiny TCP Port Reachability Checker in Python
Build a TCP port reachability checker with Python's socket module — connect_ex, timeouts, DNS resolution, and a management-plane service audit across a device list.
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June 1, 2026
subprocess: Wrapping ping, traceroute, and nslookup in Python
Run ping, traceroute, and nslookup from Python with subprocess.run — capture output, check return codes, set timeouts, and avoid shell-injection bugs.
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May 31, 2026
Regex with re: Extracting Counters and Parsing show Output in Python
Use Python's re module to pull IPs, MACs, interface counters, and BGP states out of show command output — with named groups and the metacharacters that cover most network parsing.
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May 30, 2026
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