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SuzieQ: Network State Observability with Python

SuzieQ: Network State Observability with Python

Use SuzieQ for network observability: multi-vendor data collection, SQL-like queries, BGP and interface analysis, plus the Python API.

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AdGuard Home: Self-Hosted DNS Filtering and Ad Blocking

AdGuard Home: Self-Hosted DNS Filtering and Ad Blocking

Deploy AdGuard Home as a self-hosted DNS filter: install options, upstream configuration, filter lists, blocking modes and client policies.

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DNS over HTTPS and DNS over TLS: Encrypted DNS Deployment

DNS over HTTPS and DNS over TLS: Encrypted DNS Deployment

Deploy encrypted DNS with DoH and DoT: protocol differences, resolver configuration, firewall port planning and trade-offs for enterprises.

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DNS RPZ: Building a DNS Firewall with Response Policy Zones

DNS RPZ: Building a DNS Firewall with Response Policy Zones

Use DNS Response Policy Zones to block malware and phishing at the resolver: RPZ triggers, policy actions, BIND configuration and testing.

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Self-Hosted BMP Collectors: GoBGP vs ExaBGP vs OpenBGPD

Self-Hosted BMP Collectors: GoBGP vs ExaBGP vs OpenBGPD

Compare self-hosted BGP Monitoring Protocol collectors - GoBGP, ExaBGP and OpenBGPD - with Docker deployment, router config and sizing notes.

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BGP Monitoring Protocol (BMP): Router-Side Configuration

BGP Monitoring Protocol (BMP): Router-Side Configuration

Configure BMP on Junos, IOS-XR and FRR to stream Adj-RIB-In and Adj-RIB-Out routes to a collector, plus verification and sizing guidance.

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Cisco TrustSec SGT: Classification and SGACL Enforcement

Cisco TrustSec SGT: Classification and SGACL Enforcement

Learn how Cisco TrustSec works: SGT classification, propagation with inline tagging or SXP, and SGACL enforcement on switches, routers and firewalls.

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Cisco SD-WAN Architecture: Manager, Controller and OMP

Cisco SD-WAN Architecture: Manager, Controller and OMP

Understand the Cisco Catalyst SD-WAN planes: Manager, Controller, Validator, WAN Edge routers, TLOC and how OMP carries routes and policies.

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Building a Network Lab with Containerlab and SR Linux

Building a Network Lab with Containerlab and SR Linux

Build a containerlab topology with Nokia SR Linux nodes: topology file, startup configs, link addressing, gNMI lab access and teardown.

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Nokia SR Linux: CLI Basics and gNMI Configuration

Nokia SR Linux: CLI Basics and gNMI Configuration

Learn the Nokia SR Linux CLI model, candidate vs running configuration, commit workflow and how to enable gNMI for model-driven automation.

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