CCNA

CCNA Configuration Labs On Packet Tracer

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ccna lab

Networkel published “CCNA Configuration Labs on Packet Tracer” course on Udemy. With this great course you have the chance to be a “configuration hero” for Cisco devices ! ( Click here to get the training now ) Packet tracer labs course includes the most important configuration examples that you can face on CCNA Lab Exams and in […]

CCNA

Subnet Mask Explained

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subnet mask

Network administrators sometimes need to divide networks, especially large ones, into smaller networks.These smaller divisions are called subnetworks and provide addressing flexibility. Most of the time subnetworks are simply referred to as subnets each subnet address is unique. Subnet addresses include the Class A, Class B, or Class C network portion, plus a subnet field […]

CCNA

Network Layer (OSI Layer-3) Explained

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osi network layer

The Internet Protocol (IP) is the most popular implementation of a hierarchical network addressing scheme. IP is the network protocol the Internet uses at the network layer, the data is encapsulated within packets (also known as datagrams) IP determines the form of the IP packet header (which includes addressing and other control information) but does […]

CCNA

Cisco Switch Password Recovery

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password

If you forgot the password of your Cisco switch, the first question is “How to break cisco switch password” ! Cisco switch password recovery process is a great way to reset your password. In this article we have shown you the resetting process at routers. Today we will examine how cisco switch password recovery is done. First […]

CCNA

What Is A POE ( Power Over Ethernet ) Switch

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Power over ethernet switch ( POE switch ) is an excellent device that provides electrical signal over ethernet ports. POE switches add great flexibility to your network. If you are using POE , that means you don’t need any adaptor anymore since your end device supports POE too ! For example, you have an Access […]

CCNA

What Is Console Port ?

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console port

There are many ways to control Cisco devices. Some of them are for remote access ( like telnet, ssh etc. ) but what if your remote access is down ? You need to connect the device again ! This is why we need console port. Console port of a switch or a router provides connection […]

CCNA

How To Break Cisco Router Password ?

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router

In this article we will examine password recovery process for Cisco devices. Sometimes you can forget the passwords and need a recovery. Or may be you are a hacker and you may want to break the device’s password 🙂 Whatever, it is time to take a look for the process. In this article I will […]

CCNA

IP Address Classes

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ip address classes

There are two types of IP addresses  : Classless and classful. Classful IP addresses are the IP addresses that subnet masks are defined due to IP address interval. There are three types of IP Address Classes : A, B and C   Class A IP Address •When written in a binary format, the first (leftmost) […]

CCNA

SFP (Small Form-Factor Pluggable)

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sfp

SFP ( Small Form-Factor Pluggable ) is a kind of module, which is commonly used to terminate gigabitethernet traffic with a copper or fiber optic cable. Because of SFP can work both with copper and fibre optic , it adds flexibility for the network design.     Sfp Module Types 1000BASE-T SFP 1000BASE-T SFP can […]