Articles
To read the articles in this section, simply click on the article title or read button on the far right (if visible).
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Articles:
VLAN Security - Making the Most of VLANs
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Articles:
VTP Pruning
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VTP Protocol - In-Depth Analysis
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Articles:
VTP Introduction & Modes
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VLANs - Access & Trunk Links
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Dynamic VLANs
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Static VLANs
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Articles:
The VLAN Concept - Introduction to VLANs
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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…
Comparing Traditional Flat & VLAN Networks
Designing and building a network is not a simple job. VLANs are no exception to this rule, in fact they require a more sophisticated approach because of t…
VLANs - IEEE 802.1q Trunk Link Protocol Analysis
While the VLAN Tagging article briefly covered the IEEE 802.1q protocol this article will continue building upon it by further analyzing the IEEE 802.1q T…
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VTP (VLAN Trunking Protocol) pruning is a feature that is used in Cisco switches to reduce unnecessary traffic in VLAN (Virtual Local Area Network) trunks…
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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…
Introduction to Routing Protocols
Distance Vector, Link State RIP, IGRP, EIGRP, OSPF
Routing protocols were created for routers. These protocols have been designed to allow the exchange…
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Hybrid routing protocols are a combination of distance-vector and link-state routing protocols, and are used to provide a more efficient and scalabl…
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This is the thrid article of our 6-part OSPF series (see below) that describes how OSPF routers perform neighbor relationship and adjacency. We’ll examine…
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This article explains what Group Policies are and shows how to configure Windows Server 2012 Active Directory Group Policies. Our next article will cover…
8 Critical Features to Have in a VM Backup Solution
Businesses that rely on virtual machines for their day-to-day operations should think twice about securing their infrastructure. Modern use of virtual mac…
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Firewall.cx has covered Colasoft Capsa several times in the past, but its constant improvements make it well worth revisiting. Since the last review, the…
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