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Technical resources

Original optics, documented by reference.

Buying guides, technical notes and manufacturer-reference resources for professional optical links.

Editorial scope

SFP through QSFP-DD · original manufacturer references · selection boundaries · procurement context

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Brand guides

Cisco SD-WAN (Viptela): Complete Guide

Cisco SD-WAN (Viptela): vManage/vSmart/vBond, ISR/Catalyst 8000 WAN Edge, DNA licensing, and SASE.

April 15, 2026

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Brand guides

Juniper Mist AI: AI-Driven Wi-Fi

Juniper Mist AI: Marvis chatbot, Wireless/Wired/WAN Assurance, WiFi 6/6E/7 APs, licensing, and ML.

April 15, 2026

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Brand guides

Cisco DNA Licenses: Essentials, Advantage, Premier

Cisco DNA licenses: Network Essentials/Advantage, DNA Essentials/Advantage/Premier, pricing, and Smart Licensing.

April 15, 2026

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Brand guides

Aruba Instant On: Cloud-Managed Wi-Fi for SMBs

Aruba Instant On for SMBs: WiFi 5/6 APs, PoE switches, license-free mobile app management, and an alternative to Meraki Go.

April 15, 2026

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Brand guides

HPE Aruba CX: Complete Switch Portfolio Guide

Aruba CX portfolio: 6000 through 10000, AOS-CX, VSX, EVPN-VXLAN, Pensando DPU, and Aruba Central licenses.

April 15, 2026

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Brand guides

PAN-OS: Essential Configuration Commands

PAN-OS CLI: operational commands, configuration, packet capture, policy-match testing, upgrades, and HA.

April 15, 2026

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Brand guides

Palo Alto PA-Series: Complete Product Range Guide

Palo Alto PA-Series range: 410 to 7080, SP3 architecture, Panorama, and Prisma Access SASE.

April 15, 2026

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Brand guides

FortiOS: Basic FortiGate Configuration

FortiOS configuration: interfaces, policies, IPsec VPN, SD-WAN, HA, and troubleshooting. CLI reference.

April 15, 2026

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Brand guides

Fortinet FortiGate: complete product range guide

FortiGate product range: 30F to 7000F, unified FortiOS, Security Fabric, UTM/Enterprise/360 licenses.

April 15, 2026

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Brand guides

Juniper SRX: complete firewall guide

Juniper SRX range: SRX300 to SRX5800, NGFW, Unified Policy, Chassis Cluster, AppSecure.

April 15, 2026

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Brand guides

Juniper EX range: complete 2026 guide

Juniper EX range: EX2300 to EX9200, Virtual Chassis, Mist AI, Junos OS, sizing for SMBs, mid-market enterprises and large enterprises.

April 15, 2026

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Brand guides

Juniper Junos OS: the essentials for network engineers

Junos OS essentials: commit-based configuration, VLAN, routing, Virtual Chassis, PyEZ/Ansible automation.

April 15, 2026