All Episodes
Displaying 91 - 120 of 184 in total
Episode 91: Load Balancers — Sharing the Traffic Load
Load balancers are essential components in modern networks, ensuring that incoming traffic is efficiently distributed across multiple servers or resources. In this epi...
Episode 92: Proxies and VPN Gateways — Secure Remote Access
Secure access to internal resources is more critical than ever, and that’s where proxies and VPN gateways come into play. This episode explores how forward proxies, re...
Episode 93: Modems, Media Converters, and Repeaters
Basic connectivity often depends on simple but powerful devices like modems, media converters, and repeaters. In this episode, we break down the function of each of th...
Episode 94: Voice Gateways and VoIP Translation
Voice gateways serve as the bridge between traditional phone systems and modern VoIP networks. In this episode, we explain how voice gateways convert analog voice sign...
Episode 95: IPS and IDS Devices — Detecting and Stopping Attacks
Intrusion detection and prevention systems are vital for securing the network against both known and emerging threats. In this episode, we explain the difference betwe...
Episode 96: Firewalls — Stateful Inspection and Access Control
Firewalls are the gatekeepers of the network, filtering traffic based on defined rules to enforce security policy. In this episode, we explore the various types of fir...
Episode 97: Networked Devices — VoIP Phones, Printers, and Controls
Modern networks support a wide array of devices beyond computers and servers. In this episode, we look at how VoIP phones, network printers, HVAC controls, and other c...
Episode 98: IoT and SCADA Systems — Small Devices, Big Impacts
The Internet of Things (IoT) and SCADA systems have introduced a new layer of complexity and risk to network environments. In this episode, we explain what these syste...
Episode 99: Introduction to Routing — What It Does and Why It Matters
Routing is how networks communicate across different IP subnets, and it’s the heart of data delivery beyond the local segment. This episode introduces you to the core ...
Episode 100: Static Routing and Administrative Distance
Static routing gives administrators full control over network paths, making it a foundational concept for simple and secure routing environments. In this episode, we e...
Episode 101: Dynamic Routing Protocols — Distance Vector and RIP
Dynamic routing protocols automate the process of finding and maintaining routes between networks, and this episode introduces one of the earliest and most basic forms...
Episode 102: Link-State and Hybrid Routing Protocols — OSPF, EIGRP, and BGP
As networks grow in size and complexity, distance vector routing protocols become inefficient. This episode introduces link-state and hybrid routing protocols—more sop...
Episode 103: Routing Scope — Interior vs. Exterior Routing
Not all routing protocols are created for the same environment. This episode explains the difference between Interior Gateway Protocols (IGPs) and Exterior Gateway Pro...
Episode 104: Bandwidth Management — Shaping and Prioritizing Traffic
When network demand exceeds available bandwidth, performance suffers—unless you implement effective traffic management. In this episode, we explore bandwidth shaping, ...
Episode 105: VLANs — Segmenting the Network with Data and Voice
Virtual LANs (VLANs) are essential tools for logically segmenting a network, improving security, performance, and organization. In this episode, we explore how VLANs w...
Episode 106: Port Tagging and 802.1Q — Trunks and VLAN IDs
VLANs are powerful, but they require the right tagging protocol to work across multiple switches—and that’s where 802.1Q comes in. This episode explains how trunk port...
Episode 107: Port Aggregation with LACP
When a single link isn’t enough to handle bandwidth demands or redundancy requirements, port aggregation offers a scalable solution. In this episode, we explain how LA...
Episode 108: Port Configuration and Mirroring Essentials
Switch ports are the front line of network configuration and monitoring, and this episode walks through the most essential port settings. You'll learn how to assign po...
Episode 109: Port Security — Limiting Access at the Switch Edge
Port security helps prevent unauthorized devices from connecting to your network by enforcing MAC address restrictions at the switch port level. In this episode, we co...
Episode 110: Jumbo Frames and Auto-MDI-X — Optimizing Transmission
Optimizing data transmission isn’t just about bandwidth—it also involves tuning frame size and port behavior. This episode explores jumbo frames, which are Ethernet fr...
Episode 111: MAC Address Tables — How Switches Learn
Switches rely on MAC address tables to decide where to forward frames, and this episode walks you through exactly how these tables are built and maintained. You'll lea...
Episode 112: Power over Ethernet (PoE and PoE+)
Power over Ethernet (PoE) allows devices like access points, VoIP phones, and security cameras to receive power and data over a single Ethernet cable. In this episode,...
Episode 113: Spanning Tree Protocol — Loop Prevention for Switches
Spanning Tree Protocol (STP) is critical for preventing Layer 2 loops that can crash entire networks. In this episode, we explain how STP operates by detecting redunda...
Episode 114: CSMA/CD, ARP, and Neighbor Discovery
Legacy and modern protocols alike underpin communication within local networks, and this episode brings together three foundational ones: CSMA/CD, ARP, and Neighbor Di...
Episode 115: 802.11 Wireless Standards — From a to ax
Wireless networking continues to evolve rapidly, and understanding the 802.11 family of standards is essential for modern network support. In this episode, we walk thr...
Episode 116: Wireless Frequencies, Channels, and Bandwidth Optimization
Wireless networks are built on radio frequencies, and how you manage those frequencies has a massive impact on performance and reliability. This episode covers the 2.4...
Episode 117: Wi-Fi Topologies, SSIDs, and Antenna Types
Wireless networks can be built in several topologies, and choosing the right one affects everything from coverage to scalability. In this episode, we compare ad hoc an...
Episode 118: Securing Wi-Fi — Encryption Standards and Enterprise Practices
Wireless networks require more than just a strong signal—they also demand strong security. In this episode, we explore the evolution of wireless encryption, from outda...
Episode 119: Cellular Technologies — Connecting Beyond Wi-Fi
Cellular networks offer wide-area coverage and are vital for connecting mobile devices and remote locations to the internet. In this episode, we walk through the evolu...
Episode 120: MIMO and MU-MIMO — Multiplying Wireless Performance
Multiple-Input, Multiple-Output (MIMO) is one of the most powerful features in modern wireless communication, dramatically increasing speed and efficiency. In this epi...