Articles
To read the articles in this section, simply click on the article title or read button on the far right (if visible).
Use the below filters to customise the number of articles displayed or search for specific title topics/keywords.
| Articles | |
|---|---|
| Read | |
|
Articles:
802.3 Fast Ethernet (100 Mbit/Sec) Model
| Read |
|
Articles:
Migrating From Ethernet To Fast Ethernet
| Read |
| Read | |
| Read | |
|
Articles:
The Novell Proprietary Frame Format
| Read |
|
Articles:
The IEEE 802.3 SNAP Frame Format
| Read |
|
Articles:
The Ethernet II Frame Format
| Read |
|
Articles:
The IEEE 802.3 Frame Format
| Read |
|
Articles:
Manchester Signal Encoding
| Read |
|
Articles:
IEEE 802.3 Interframe Spacing
| Read |
| Read | |
|
Articles:
Propagation Delay
| Read |
|
Articles:
Late Ethernet Collisions
| Read |
|
Articles:
Early Ethernet Collisions
| Read |
|
Articles:
Introduction to Ethernet Collisions
| Read |
|
Articles:
What is CSMA/CD ?
| Read |
Suggested Articles:
Network Fundamentals
Securing Your Home Network
In today's world, securing your home network is more important than ever. With the increasing number of cyberattacks, data breaches, and online fraud…
TCP - UDP Protocol Analysis
Transmission Control Protocol - Part 2: Quick Ove…
As previously mentioned on a number of occasions, TCP is one of the two protocols that lives at the Transport layer and is used to carry data from on…
Network Fundamentals
Controlling Broadcasts and Multicasts
The first step in controlling broadcast and multicast traffic is to identify which devices are involved in a broadcast or multicast storm. The follow…
Network Cabling
LPT Ports & Modes (SPP, EPP, ECP) - Parallel Dire…
The Parallel Direct Connection is the second solution covering the transfer of data from one computer to another. The cable required is slightly more…
Featured Subcategories:
Netflow Articles:
Complete Guide to Netflow: How Netflow & its Comp…
This article will cover the basics of Netflow, including its use cases, Netflow supported devices, Netflow history, and variants. We’ll also dive int…
Netflow vs SNMP. Two Different Approaches to Netw…
SNMP (Simple Network Management Protocol) and Netflow are both popular protocols with admins, prized for their ability to give visibility over the ne…
NetFlow Analyzer: Free Download, Step-by-Step Ins…
In our previous article we explained how a Netflow Analyzer can help you gain visibility into your user traffic, application traffic and data flows w…
Netflow: Monitor Bandwidth & Network Utilization…
Monitoring network traffic & bandwidth usage via Netflow is mandatory for any type and size network. Gaining visibility into user traffic, applic…
Wi-Fi Key Generator
Follow Firewall.cx
Cisco Password Crack
Decrypt Cisco Type-7 Passwords on the fly!
VLAN Networks
Static VLANs
VLANs are usually created by the network administrator, assigning each port of every switch to a VLAN. Depending on the network infrastructure and securit…
VLAN Networks
VLAN Tagging - Understanding VLANs Ethernet Frames
We mentioned that Trunk Links are designed to pass frames (packets) from all VLANs, allowing us to connect multiple switches together and independently co…
VLAN Networks
VLANs - Access & Trunk Links
If you've read our previous article The VLAN Concept - Introduction to VLANs then you should feel comfortable with terms such as 'VLAN', 'Stati…
VLAN Networks
VLAN InterSwitch Link (ISL) Protocol Analysis
Deciding whether to use ISL or IEEE 802.1q to power your trunk links can be quite confusing if you cannot identify the advantages and disadvantages of eac…
Routing
The IP Routing Process - Step-by-Step Analysis
We are going to analyse what happens when routing occurs on a network (IP routing process). When I was new to the networking area, I thought that all you…
Routing
Enhanced Interior Gateway Routing Protocol - EIGRP
Enhanced Interior Gateway Routing Protocol (EIGRP), similar to IGRP, is a Cisco proprietary routing protocol that is used to exchange routing information…
Routing
Routed Protocols
We all understand that TCP/IP, IPX-SPX are protocols which are used in a Local Area Network (LAN) so computers can communicate between with each other and…
Routing
OSPF - Part 2: How OSPF Protocol Works & Basic Concept…
This article covers basic OSPF concepts and operation. We explain how OSPF works, how OSPF tables are built on an OSPF-enabled router and their purpose (N…
Windows Servers
Windows Server 2016 Licensing Made Easy – Understand Y…
This article describes the new Windows Server 2016 Licensing model (per-core licensing) Microsoft has implemented for its new server-based operating syste…
Windows Servers
Download Altaro Free VM Backup & Win a PlayStation 4 P…
We have some exciting news for you today!
Altaro has launched a great contest in celebration of SysAdmin Day on 27th July!
They will be giving away Amaz…
Cisco Routers
How To Configure Windows VPDN (PPTP) Dialup Connection
Setting up a Windows VPDN connection is a required task in order to connect to a remote network. In previous articles we covered the set up of a VPDN - PP…
Cisco Wireless
Cisco Wireless Controllers (WLC) Datasheets Available…
We would like to inform our readers that Firewall.cx has just made available as a free download all of Cisco's Wireless Controller Datasheets.
The datash…







