Networking & Automation

Routing and switching (a lot of BGP), network programmability, and automating infrastructure with Ansible, AWX and friends.

MPLS and LDP — Building a Label-Switched Network

Apr 30, 2026

A hands-on walkthrough of MPLS LDP: session establishment, label bindings, the control plane, and the data plane on a 7-router Cisco lab.

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Building a Virtual Cisco Network Lab with Containerlab

Mar 28, 2026

Building a Virtual Cisco Network Lab with Containerlab, IOL, and AWX

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AWX in Practice

Mar 26, 2026

AWX in Practice: Self-Service VLAN Provisioning with Surveys

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BGP Redistribute-Internal

Feb 20, 2026

BGP Redistribute-Internal: Overriding the iBGP Redistribution Safety

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BGP Multipath

Feb 20, 2026

BGP Multipath: Load Balancing Across Multiple BGP Paths

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BGP Conditional Advertisement

Feb 20, 2026

BGP Conditional Advertisement: Event-Driven Route Control

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BGP Attributes: Standard Community

Feb 19, 2026

BGP Communities: no-export and no-advertise for Route Propagation Control

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BGP Attributes: AS-Path

Feb 18, 2026

BGP Attributes: AS-Path Manipulation for Traffic Engineering

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BGP Attributes: Weight

Feb 18, 2026

BGP Attributes: Weight for Router-Specific Traffic Control

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BGP Attributes: MED

Feb 18, 2026

BGP Attributes: MED for Controlling Inbound Traffic

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BGP Attributes: Local Preference

Feb 18, 2026

BGP Attributes: Local Preference for Controlling Outbound Traffic

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BGP Route Aggregation: Unsuppress-Maps

Feb 17, 2026

BGP Route Aggregation: Per-Neighbor Route Restoration with unsuppress-map

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BGP Route Aggregation: Suppress-Maps

Feb 17, 2026

BGP Route Aggregation: Selective Suppression with suppress-map

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BGP Route Aggregation: Summary-Only Mode

Feb 17, 2026

BGP Route Aggregation Summary-Only

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BGP Route Aggregation

Feb 15, 2026

BGP Route Aggregation

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BGP AS-Path Filtering

Feb 15, 2026

BGP AS-Path Filtering with Regular Expressions

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BGP Route Filtering with Prefix Lists

Feb 15, 2026

BGP Route Filtering using prefix lists

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BGP Route Filtering in Practice

Feb 15, 2026

BGP Route Filtering using ACLs

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Cat9000v_baseline

Feb 11, 2026

cat9000v baseline configuration

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Network Automation with RESTCONF

Feb 9, 2026

Network Automation with RESTCONF

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Ansible_vlans_playbook

Nov 29, 2025

Ansible_vlans_playbook

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Ansible_install

Nov 29, 2025

Ansible_install

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