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UDP Protocol - Header
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Network Cabling
Unshielded Twisted Pair (UTP) - CAT 1 to CAT5, 5e…
Unshielded Twisted Pair (UTP) cable is most certainly by far the most popular cable around the world. UTP cable is used not only for networking but a…

Spanning Tree Protocol (STP)
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In this article we will examine the Spanning Tree Bridge ID structure, explain why it has increments of 4096, how VLAN information is embedded (for P…
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Netflow Articles:

NetFlow Analyzer: Free Download, Step-by-Step Ins…
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Complete Guide to Netflow: How Netflow & its Comp…
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Wi-Fi Key Generator
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Cisco Password Crack
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VLAN Networks
VLAN Security - Making the Most of VLANs
It's easy to see why virtual LANs have become extremely popular on networks of all sizes. In practical terms, multiple VLANs are pretty much the same as h…

VLAN Networks
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The invention of VLANs was very much welcomed by all engineers and administrators, allowing them to extend, redesign and segment their existing network wi…

VLAN Networks
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VLAN Networks
VTP Pruning
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Routing
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Routing protocols were created for routers. These protocols have been designed to allow the exchange…

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Our previous article explained the purpose of Link State Update (LSU) packets and examined the Link State Advertisement (LSA) information contained within…

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Sometimes renaming a domain is an essential business requirement. There are many situations, such as mergers, change of company name or migration from a t…
Cisco Wireless
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This article explains how the Cisco 1240 series access point can be setup to provide support for multiple SSID, each SSID assigned to a separate…
Cisco Switches
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This article covers popular Layer 2 & Layer 3 network attacks with a focus on DHCP Starvation Attacks, Man-in-the-Middle attacks, unintentional rogue…