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The related nouns about Cisco

As we know, Cisco is the worldwide leader in IT and networking. As a leading networking device pioneer, Cisco has a lot to do with many nouns. Today we are going to introduce some common ones.Cisco Systems, Inc. (known as Cisco) is an American multinational technology conglomerate headquartered in San Jose, California, in the center of

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CCDE

How to become CCDE?

CCDE is a certification testing your knowledge of network design and architecture. Building experience in network design can be challenging because the number of roles for people in design is limited and generally requires that you already have a solid background as a Network Engineer. Do you want to know what helped CCDEs on their

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C3KX-SM-10G features and benefits

FAQ for NetFlow and Cisco Module C3KX-SM

What is Netflow? Netflow is a feature that was introduced on Cisco routers that give the ability to collect IP network traffic as it enters an interface. Routers and switches that support NetFlow can collect IP traffic statistics on all interfaces where NetFlow is enabled, and later export those statistics as NetFlow records, toward at

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how VPN works

Tutorial of popular VPN protocols and Steps of Configuring VPN on Cisco 1921 router

What is VPN? VPN is a site-to-site virtual private network which allows you to maintain a secure “always-on” connection between two physically separate sites using an existing non-secure network such as the public Internet. Traffic between the two sites is transmitted over an encrypted tunnel to prevent snooping or other types of data attacks. Generally,

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VLANs tutorial

VLAN Tutorial with Comparing LAN, VLAN and Trunk Port

What are VLAN & the difference between VLAN, LAN and Trunk? LAN: You may know that a LAN is a local area network which is defined as all devices in the same broadcast domain. Routers stop broadcasts while switches just forward them. VLAN: a VLAN is a virtual LAN — a broadcast domain created by

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network protocol EIGRP

Tutorial of 5 common Network Protocols – IGRP, EIGRP, OSPF, ISIS, BGP

Generally, routing protocols is used to learn of available routes that exist on the enterprise network, build routing tables and make routing decisions. The most common routing protocols include RIP, IGRP, EIGRP, OSPF, IS-IS and BGP. Now, let’s explain these networking protocols one by one in order to make it clear. 1. Interior Gateway Routing

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TCP/IP VS IOS models

Tutorial of TCP/IP Working and Functions

Ideally, TCP/IP is used whenever Windows-based computers communicate over networks. The TCP/IP protocol is actually made up of several different protocols that interoperate to provide the functionality we expect from our networks and the Internet. There are a great many resources out there to help you learn more about TCP/IP. We’re all aware that the

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Tutorial of Wireless Standards: IEEE 802.11a, 802.11b, 802.11g, 802.11n and new 802.11ac

Full overview: The 802.11 standard establishes and defines the mode of channeling the unlicensed radio frequency bands in WLANs. The 2.4 GHz band is broken down into 11 channels for North America and 13 channels for Europe. These channels have a center frequency separation of only 5 MHz and an overall channel bandwidth (or frequency

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Default boot sequence for Cisco IOS software

How Cisco routers boot Cisco IOS software?

When a router starts up it needs to know which software to load and which configuration file to use. The way it determines these two things is by looking at its configuration register setting and its startup configuration in nonvolatile RAM (NVRAM).When a router is booting up, it searches its configuration register to determine where

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Cisco EIGRP protocol diagram

Cisco EIGRP Routing Protocol Got New Over the Top Feature

Preface: The EIGRP routing protocol just got more interesting with the addition of Cisco’s Over the Top feature. Here’s how it works plus its pros and cons. Cisco Systems has been hoisting the EIGRP (Enhanced Interior Gateway Routing Protocol- with all the hoopla surrounding software-defined networking, overlays and network virtualization) flag up high of late.

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