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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Routed Protocols
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Suggested Articles:
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-Mo...
Network Protocols
Introduction To Protocols
In the networking and communications area, a protocol is the formal specification that defines the procedures that must be followed when transmitting...
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Supernetting is the opposite of of subnetting, and is also known as route aggregation or CIDR (Classless Inter-Domain Routing). Supernetting is a tec...
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Troubleshooting techniques for Fast Ethernet
This page will primarily discuss problems unique to Fast Ethernet.
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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...
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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) trunks...
VLAN Networks
Dynamic VLANs
Dynamic VLANs were introduced to grant the flexibility and complexity(!) that Static VLANs did not provide. Dynamic VLANs are quite rare because of their...
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...
VLAN Networks
VTP Introduction & Modes
The invention of VLANs was very much welcomed by all engineers and administrators, allowing them to extend, redesign and segment their existing network wi...
Routing
Hybrid Routing Protocols - Advantages and Disadvantage...
Hybrid routing protocols are a combination of distance-vector and link-state routing protocols, and are used to provide a more efficient and scalabl...
Routing
Link State Routing Protocols
Link State routing protocols do not view networks in terms of adjacent routers and hop counts, but they build a comprehensive view of the overall network...
Routing
OSPF - Part 3: OSPF Adjacency & Neighbor Forming Proce...
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...
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...
Palo Alto Networks
Palo Alto Firewalls Security Zones – Tap Zone, Virtual...
Palo Alto Networks Next-Generation Firewalls rely on the concept of security zones in order to apply security policies. This means that access lists (fire...
Cisco Switches
Resolving Cisco Switch & Router ‘DHCP Server Pool Exha...
In previous articles, we showed how it is possible to configure a Cisco router or Catalyst switch to provide DHCP server services to network clients. Ever...
Cisco Switches
DHCP Option 82 Message Format, Analysis. DHCP Snooping...
This article provides in-depth analysis of DHCP Option 82 (DHCP Relay Agent) which is one of the +180 DHCP Options available to the DHCP protocol and used...
Cisco Switches
Discover Features & Capabilities - Cisco Catalyst 3850...
There’s a new switch around the block and its name is Catalyst 3850 – Cisco’s latest addition to its successful Catalyst series switches. The Cisco Cataly...