Articles
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Articles:
Introduction to Routing Protocols
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Articles:
Interior Gateway Protocol - IGRP
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Routing Information Protocol - RIP
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Link State Routing Protocols
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Distance Vector Routing Protocols
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Articles:
Routed Protocols
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Suggested Articles:
IP Protocol
IP Protocol - Part 2: The Internet Protocol (IP)…
This article examines the Internet Protocol (IP) and its position within the OSI Model. We take a look at the IP Header and all fields contained with…
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The Datalink ensures that messages are delivered to the proper device and translates messages from the Network layer into bits for the Physical layer…
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The two primary areas for concern when upgrading the network from 10Mbps to 100Mbps are cabling and hubs. As discussed on the Fast Ethernet Introduct…
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The following is a description of the frame format described by the original Ethernet Version II specification as released by DEC, Intel, and Xerox…
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Netflow Articles:
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In this article, we explore the core principles of bandwidth management and examine how modern network monitoring technologies can assist in maintain…
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This article will cover the basics of Netflow, including its use cases, Netflow supported devices, Netflow history, and variants. We’ll also dive int…
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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
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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…
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 previous article introduced the VTP protocol, we examined how it can be used within a network, to help manage VLANs and ease the administrative overhe…
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
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
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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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Routing protocols were created for routers. These protocols have been designed to allow the exchange…
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The DNS protocol is used to resolve FQDN (Fully Qualified Domain Names) to IP addresses around the world. This allows us to successfully find and connect…
Cisco Routers
How to Capture Packets on your Cisco Router with Embed…
If you’re tired of setting up SPAN sessions to capture network traffic transiting your network and Cisco router, it’s time to start using Cisco’s Embedded…
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This article explores the need for Secure Access Service Edge (SASE) in today’s organizations. We show how one of the most advanced SASE platforms availab…
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