Technology

802.11 Standards Deep Dive: WiFi 4, 5, 6, 6E and What Actually Changed This article is part of the Enterprise WiFi series. New to enterprise wireless? Start with the overview: Enterprise WiFi Architecture: From Standards to Deployment The Problem with Marketing Numbers Every WiFi generation comes with impressive theoretical throughput numbers. 802.11ac promised 3.5 Gbps. 802.11ax promises 9.6 Gbps. In practice, a single client in a real environment rarely exceeds 400–600 Mbps on WiFi 5, and 800 Mbps–1.2 Gbps on WiFi 6. ...

WiFi Design for SMB, Hotels, and Medical Practices: Field Notes This article is part of the Enterprise WiFi series. New to enterprise wireless? Start with the overview: Enterprise WiFi Architecture: From Standards to Deployment Why Environment Type Matters More Than Equipment Brand A WiFi 6 AP from any major vendor will outperform a WiFi 5 AP in a lab. In a real building, the difference between a good deployment and a failed one has almost nothing to do with the AP hardware — it comes down to design decisions specific to the environment. ...

WiFi Security: WPA3, 802.1X, Rogue AP Detection, and Site Survey This article is part of the Enterprise WiFi series. New to enterprise wireless? Start with the overview: Enterprise WiFi Architecture: From Standards to Deployment Why WiFi Security Is Different Wired network security benefits from physical access control — a device must be physically connected to the network to communicate on it. WiFi removes this constraint. Anyone within RF range of your access point can attempt to connect. Your network’s perimeter is literally invisible and extends beyond your walls. ...

F5 WAF Deep Dive: Application Security with ASM and Advanced WAF This article is part of the F5 BIG-IP series. New to F5? Start with the platform overview first: F5 BIG-IP Is Not a Load Balancer — It’s an Application Delivery Platform If you already understand the big picture and want to go deep on WAF — security models, OWASP coverage, bot defense, and deployment strategy — you’re in the right place. ...

Enterprise WiFi Controller Architecture: Cisco and Aruba WLAN Design This article is part of the Enterprise WiFi series. New to enterprise wireless? Start with the overview: Enterprise WiFi Architecture: From Standards to Deployment Why Controller Architecture Matters An access point is just a radio transmitter. What makes it part of an enterprise network — with consistent policy, seamless roaming, centralized management, and security integration — is the controller architecture behind it. ...

F5 GTM & GSLB Deep Dive: Global Traffic Management and DNS Failover This article is part of the F5 BIG-IP series. New to F5? Start with the platform overview first: F5 BIG-IP Is Not a Load Balancer — It’s an Application Delivery Platform If you already understand the big picture and want to go deep on GTM — iQuery, Wide IPs, topology routing, TTL strategy, and multi-DC design — you’re in the right place. ...

SecureCRT and SuperPutty: Terminal Tools Every Network Engineer Should Know If you’ve been doing network engineering for more than a few years, you’ve probably spent thousands of hours inside a terminal client. SSH into a switch, run some show commands, make a change, move to the next device. It’s the most repetitive workflow in the job — and the right tool makes it significantly less painful. Most engineers start with PuTTY. It works, it’s free, and it does what it says. But there are two tools that take the terminal workflow from functional to genuinely efficient: SecureCRT (the professional standard) and SuperPutty (the free upgrade that PuTTY users don’t know they need). ...

Enterprise Collaboration Infrastructure: From IP Phones to the Cloud Era There is a useful thought experiment for anyone who works in enterprise IT: think back to what it took to connect a conference room in one city to a conference room in another city in 2010. Now compare that to what it takes today. In 2010, you needed a dedicated codec device at each end, a qualified video conferencing engineer to configure the call settings, a provisioned ISDN line or carefully configured IP infrastructure, and significant lead time to test the connection before the meeting. If the codec firmware versions didn’t match, if the firewall ports weren’t exactly right, or if the far-end IT team had done their configuration differently, the call wouldn’t connect. ...

F5 LTM Deep Dive: Virtual Servers, iRules, SSL Offloading & HA This article is part of the F5 BIG-IP series. New to F5? Start with the platform overview first: F5 BIG-IP Is Not a Load Balancer — It’s an Application Delivery Platform If you already know the big picture and want to go deep on LTM — configuration, iRules, migration field notes — you’re in the right place. The Full-Proxy Architecture: Why It Changes Everything The most important thing to understand about LTM is that it is a full-proxy. This is not a marketing term — it has direct operational consequences that distinguish LTM from every simpler load balancer. ...

Firewall Selection and Capacity Planning: What the Datasheets Don’t Tell You Firewall selection conversations usually go one of two ways. Either the decision is made based on brand familiarity — “we’ve always used vendor X” — or it’s made based on datasheet throughput numbers without understanding what those numbers actually mean in production. Both approaches lead to either overpaying for capacity you won’t use or undersizing for the traffic you’ll actually run. ...