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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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Technical resources
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
PAN-OS CLI: operational commands, configuration, packet capture, policy-match testing, upgrades, and HA.
April 15, 2026
Palo Alto PA-Series range: 410 to 7080, SP3 architecture, Panorama, and Prisma Access SASE.
April 15, 2026
FortiOS configuration: interfaces, policies, IPsec VPN, SD-WAN, HA, and troubleshooting. CLI reference.
April 15, 2026
FortiGate product range: 30F to 7000F, unified FortiOS, Security Fabric, UTM/Enterprise/360 licenses.
April 15, 2026
Juniper SRX range: SRX300 to SRX5800, NGFW, Unified Policy, Chassis Cluster, AppSecure.
April 15, 2026
Juniper EX range: EX2300 to EX9200, Virtual Chassis, Mist AI, Junos OS, sizing for SMBs, mid-market enterprises and large enterprises.
April 15, 2026
Junos OS essentials: commit-based configuration, VLAN, routing, Virtual Chassis, PyEZ/Ansible automation.
April 15, 2026
Cisco Nexus data center: 9000/9300/9500, NX-OS vs ACI, VXLAN EVPN, Nexus Dashboard.
April 15, 2026
Cisco Meraki: MS/MR/MX/MV/MT portfolio, mandatory licenses, cloud benefits, and limitations vs Catalyst.
April 15, 2026
2026 Cisco Catalyst portfolio: 1200 to 9600, DNA licenses, IOS-XE, and sizing by company size.
April 15, 2026
Cisco IOS/IOS-XE: essential commands for VLANs, routing, QoS, security, and troubleshooting. CLI reference.
April 15, 2026
What is a proxy? Forward, reverse, and transparent proxies, SWG, features, vendors, and SASE migration.
April 15, 2026