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Buying guides
How to Choose a Cisco Firepower Firewall
Expert guide to Cisco Firepower / Secure Firewall: 1000 to 9300 series, FTD vs ASA, FMC/FDM/CDO, and Threat/URL/Malware licenses. Sizing and alternatives.
April 15, 2026
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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Buying guides
Enterprise vs Consumer Wi-Fi 6 Routers
Comparative guide to enterprise vs consumer Wi-Fi 6 routers: why a Netgear Nighthawk is unsuitable for business use. FortiGate 60F + APs vs standalone enterprise APs.
April 15, 2026
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Buying guides
PoE++ Switch for Wi-Fi 6E and 4K Cameras
Expert guide to PoE++ switches for Wi-Fi 6E and 4K cameras: 802.3bt Type 3/4 (60-90W), PoE budget, capacity planning, and Cisco Catalyst 9300X vs Aruba CX 6300 vs Juniper EX4400.
April 15, 2026
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Buying guides
How to Choose a Cisco ASR Router for a Service Provider
Expert guide to Cisco ASR service provider routers: ASR 1000 vs ASR 9000 vs NCS 5500. PE/edge/core performance, IOS-XR licensing, BGP peering capacity planning, and MPLS L3VPN.
April 15, 2026
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Buying guides
Which 25G SFP28 Module Should You Choose for Your Data Center?
Expert guide to 25G SFP28 modules: SR, LR, DAC, and AOC. The modern spine-leaf standard for servers. Cisco/Juniper/Mellanox part numbers, pricing, and breakout options.
April 15, 2026
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Buying guides
Stackable Switches: Guide and Benefits
Expert guide to stackable switches: Cisco StackWise-480/1T vs Juniper Virtual Chassis vs Aruba VSX. Benefits, limitations, configuration, and sizing by use case.
April 15, 2026
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Buying guides
Firewall for SMEs with Fewer Than 50 Employees
Expert firewall guide for SMEs with <50 employees: FortiGate 40F/60F vs Cisco Meraki MX67 vs Aruba EdgeConnect Micro. Features, VPN, SD-WAN, pricing, and practical sizing.
April 15, 2026
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Buying guides
Best Enterprise Wi-Fi 6E Access Point
Expert enterprise Wi-Fi 6E/7 guide: Aruba AP-635 vs Cisco Catalyst CW9166 vs Juniper AP45 vs FortiAP 441F. 6 GHz bands, RF design, density planning, part numbers, and pricing.
April 15, 2026
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Buying guides
QSFP28 100G Buying Guide
Expert guide to QSFP28 100G modules: SR4, LR4, CWDM4, ZR4, and 4×25G breakout. Cisco/Juniper part numbers, reach, compatibility, indicative pricing, and spine-leaf sizing.
April 15, 2026
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Buying guides
Industrial Switch for Harsh Environments
Expert guide to industrial switches: Cisco IE-3400, Hirschmann RSP, Moxa EDS, Aruba CX 6200 fanless. Harsh environments (temperature, vibration, dust), SCADA protocols, and standards.
April 15, 2026
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Buying guides
Best Site-to-Site VPN Router for Business
Expert guide to site-to-site VPN routers: FortiGate IPsec vs Cisco ISR/ASR vs Juniper SRX. IKEv2, AES-256-GCM, real-world VPN throughput, multi-site sizing, and sample configuration.
April 15, 2026
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Buying guides
Managed vs Unmanaged Switch
Managed vs unmanaged switches: L2/L3, VLAN, QoS, SNMP, and security differences. Learn when to invest in a managed switch, with practical examples and part numbers.
April 15, 2026