INGENIX · ENGINEERING GUIDES

Engineering Guides

Practical, vendor-neutral knowledge for designing, deploying and troubleshooting IT infrastructure.

Featured guides

A few useful starting points for common design, troubleshooting and security tasks.

Network Topology Types The Network Engineer's Troubleshooting Method Firewalls, NAT & ACLs Wi-Fi Fundamentals: From RF to Roaming Cloud AI vs Local AI

Artificial Intelligence 1 guide

Cloud AI vs Local AI: Cost, Privacy & Infrastructure

Performance & Diagnostics 1 guide

Measuring Network Performance

Networking Fundamentals 6 guides

DHCP Fundamentals ICMP Engineering Guide ARP, ND & MAC Address Resolution Transport Protocols: TCP vs UDP Quality of Service (QoS)A Practical Guide to IPv6 IP Addressing & Subnet Design

Switching & Routing 7 guides

HSRP Engineering Guide Ethernet, Switching & VLANs Spanning Tree Protocol (STP)Routing Protocols BGP Engineering Guide OSPF Engineering Guide Network Topology Types LACP & Link Aggregation Network Segmentation & VLAN Design

Wireless 2 guides

Wi-Fi Fundamentals: From RF to Roaming 802.11k, 802.11v & 802.11r

Security 26 guides

Firewalls, NAT & ACLs Secure Firewall Rules: 5 Principles to Increase Security Public Key Infrastructure (PKI) Fundamentals X.509 Certificate Fields & Formats Domain Health: DNS, Security & Email Checks Email Security Basics: SPF, DKIM and DMARC 802.1X & RADIUS Network Access Authentication VPN Fundamentals IPsec VPN Engineering Guide Site-to-Site VPN Design Remote Access VPN Design VPN Troubleshooting Guide WireGuard vs IPsec vs SSL VPN VPN Encryption & Cryptography Guide SSL Decryption Engineering Guide Ransomware Prevention Guide Ransomware Network Security Guide Ransomware Backup & Recovery Guide Ransomware Incident Response Guide Ransomware Detection & Monitoring Guide Ransomware Attack Path Guide Ransomware & Active Directory Security Guide Ransomware Network Segmentation Guide RDP & Remote Access Security Guide SMB Security Guide Ransomware Recovery Testing Guide

Cabling & Fibre 8 guides

Cable & Connectivity Engineering Guide How Far Can 10Gb Ethernet Run?Cat6 vs Cat6A for 10GbE 10GbE SFP+ vs RJ45 OM3 vs OM4 for 10GbE Fibre Connector Types DAC vs AOC Multimode vs Single-Mode Fibre Fibre Optics, SFPs & Ethernet Transceivers PoE Engineering Guide

Storage 9 guides

RAID Engineering Guide IOPS vs Throughput: A Storage Performance Guide Storage Capacity Planning Guide RAID Rebuilds: What Actually Happens TB vs TiB: Why Your Disk Looks Smaller SSD Endurance: TBW, DWPD & Write Workloads Backup Capacity Planning Guide Storage Transfer Time & Migration Guide RAID vs JBOD vs Spanning

SEO & Web 7 guides

SEO Basics: How Search Engines Discover and Understand Websites Technical SEO Checklist: Crawlability, Indexing and Canonicals On-Page SEO: Titles, Meta Descriptions and Headings Core Web Vitals and SEO: A Practical Guide Structured Data and Schema.org: Practical SEO Guide Robots.txt and XML Sitemaps: How They Work Together SEO Audit Checklist for a New Website

Implementation Guides 1 guide

Configure Windows Server DHCP Failover

Troubleshooting 1 guide

The Network Engineer's Troubleshooting Method