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Network Cabling

1Gigabit 802.3ab -10GBase (10Gigabit) 802.3an E...

The 1000Base Ethernet standard, also referred to as Gigabit Ethernet (GbE or 1GigE) is defined by the IEEE 802.3-2008 standard and provides 10 time...
Network Cabling

Important Direct Cable Connection Notes

This page was designed to provide some notes on Direct Cable Connection (File-transfer) of Win9x/ME/2000 with LAPLINK (Printer port) Cable or Null-...
Network Fundamentals

Multicast - Understand How IP Multicast Works

Multicast is a communication method used in computer networking where data is sent from a single sender to a group of destination devices. In this...
Ethernet Protocol, CSMA/CD, Collisions

Manchester Signal Encoding

The device driver software receives a frame of IP, IPX, NetBIOS, or other higher-layer protocol data. From this data, the device driver constructs ...

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Netflow Articles:

NetFlow Analyzer: Free Download, Step-by-Step I...

In our previous article we explained how a Netflow Analyzer can help you gain visibility into your user traffic, application traffic and data flows...

Netflow: Monitor Bandwidth & Network Utilizatio...

Monitoring network traffic & bandwidth usage via Netflow is mandatory for any type and size network. Gaining visibility into user traffic, appl...

Netflow vs SNMP. Two Different Approaches to Ne...

SNMP (Simple Network Management Protocol) and Netflow are both popular protocols with admins, prized for their ability to give visibility over the ...

Complete Guide to Netflow: How Netflow & its Co...

This article will cover the basics of Netflow, including its use cases, Netflow supported devices, Netflow history, and variants. We’ll also dive i...

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VLAN Networks

VTP Pruning

VTP (VLAN Trunking Protocol) pruning is a feature that is used in Cisco switches to reduce unnecessary traffic in VLAN (Virtual Local Area Network) trun...
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 ...
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 e...
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', 'Sta...

Routing

OSPF - Part 3: OSPF Adjacency & Neighbor Forming Pro...

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 exami...
Routing

Distance Vector Routing Protocols

Distance Vector routing protocols use frequent broadcasts (255.255.255.255 or FF:FF:FF:FF) of their entire routing table every 30 sec. on all their inte...
Routing

Routing Information Protocol - RIP

Routing Information Protocol (RIP) is a distance-vector routing protocol that is commonly used in small to medium-sized networks. It is one of the...
Routing

Hybrid Routing Protocols - Advantages and Disadvanta...

Hybrid routing protocols are a combination of distance-vector and link-state routing protocols, and are used to provide a more efficient and scala...

Cisco Routers

Cisco Router PPP Multilink Setup and Configuration

This article provides an in-depth explanation of PPP Multilink and shows how to configure a Cisco router to use PPP Multilink between two serial interfa...
Network Protocol Analyzers

How to Use Multi-Segment Analysis to Troubleshoot Ne...

Troubleshooting network problems can be a very intensive and challenging process. Intermittent network problems are even more difficult to troubleshoot ...
Windows Servers

New Upcoming Features in Hyper-V vNext - Free Train...

With the release of Hyper-V vNext just around the corner, Altaro has organized a Free webinar that will take you right into the new Hyper-V vNext releas...
Windows Servers

Windows 2003 DHCP Server Installation & Configuration

DHCP (Dynamic Host Configuration Protocol) is a protocol that allows clients on a network to request network configuration settings from a server runnin...