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Blog Details for "Networks Analyzed AT Netralized"
Networks Analyzed AT NetralizedNetworks Analyzed AT NetralizedNetworking articles from professionals to professionals. A wide variety of topics covered, from CCNA-CCNP exams to general networking and network management-security issues. Articles
Troubleshooting guidelines for switching and VLANs
2007-11-16 19:02:00 After configuring your switch with Vlans you notice that something is wrong. I will give you a simple guide to troubleshoot Vlans and make things work again. First check for Layer 1 and Layer 2 issues Is the cable plugged into the correct port? Is the link light on, ... More About: Guidelines , Troubleshooting , Switching , Shoot , Guid
Enabling the Web Interface on your Router
2007-11-14 20:46:00 With this article I will go you through the configuration of enabling the web interface of your router. Before showing you the commands, that are quite simple, I will explain what we will achieve with them. Enabling an HTTP server on the router allowing the administrator by using any web browser to configure the router by pointing ... More About: Cisco , Interface , Router
VoIP Introduction
2007-11-12 20:22:00 Voice over IP (VoIP) is a major networking application and nowadays is appearing everywhere. VoIP is running over common high speed connections as: Ethernet, Frame Relay, ISDN, ATM, DSL, Cable and other. With the VoIP technology we can transmit the analog voice signals of our telephone, through the traditional data network. This technology works ... More About: Voip , Introduction
Discovering active hosts
2007-11-07 21:31:00 If you want to discover all the active hosts on your subnet from your routers console, you can perform a ping in the broadcast address of your subnet. Keep in mind that all the active nodes on your subnet should respond to that ping. As a tip I can tell you that this kind of ... More About: Active , Hosts , Erin
Tuning your routers clock
2007-11-05 22:37:00 In this article I will give you three useful commands for setting up your router’s clock. If you are wondering why the router’s clock is important, just think the syslog messages. Every syslog message has the time that the event occurred. Imagine a hacking attempt that has been tracked by your syslog, if the clock of ... More About: Clock , Tuning , Cisco , Routers
No, i Won?t Fix Your Computer!
2007-11-02 19:00:00 Hello again, after getting some feedback from the Computer Problems article, i thought i should write an article about the next big decision you will have to make. Situation is like this: You’re enjoying with your afternoon with your friends having fun. Your cellphone rings and once again it’s the mr. IWontSpendAMinuteFixingMyComputerCauseIKn owPeopleWhoWillDoItForMe, starting once again the ...
Firefox Mobile Version Announced
2007-10-30 22:17:00 The Mozilla Corp. has announced the development of a completely functional Firefox web browser for mobile phones. According to a statement made by Mike Schroepfer, vice-president of the department of Mozilla’s engineers, the official publication of Firefox for mobile phones will be released at the end of 2008. He has also announced the development of Firefox ... More About: Technology , Mobile , Version , Anno
My Friends Don?t Help me With my Computer Problems!
2007-10-27 08:29:00 As you can guess correctly this is not an article purely for networks, but it concerns me for quite some time so i would be more than happy to get some feedback on it. I am into computers for more than 10 years and i think many of you reading this blog, would be using computers ... More About: Friends , Computer , Problems
Configure the Ip Address and Default Gateway of Your Switch
2007-10-24 19:00:00 In this article I will show you how to configure an Ip address and a default gateway in your manageable switch. But first things first, Why is an Ip address and default gateway needed in the switch? After all switches are OSI Layer 2 devices that care only about MAC addresses. The modern switches are manageable and support ... More About: Switch , Cisco , Gateway , Address , Configure
A better way to scan wireless networks
2007-10-22 19:08:00 Many times a lot of us who use laptops or desktop computers which are equipped with wireless network cards, have tried to scan an area for available wireless access points. We usually use the default wireless network scanner of the Windows operating system. But is this the most efficient tool for this job? Surely not. There is ... More About: Wireless , Networks , Scan
We Have a Reason to Celebrate!
2007-10-19 19:19:00 Hello once again, and nope, we’re not gonna talk about networks this time. We’re gonna talk about you! To explain my self a bit more, Netralized became one month old. Well you can ask yourself, so what? We have 2 reasons to celebrate. We made it sure we like to blog about networks, and on a frequent basis. ... More About: General , Celebrate , Reason
Configuring SSH in our Cisco router
2007-10-17 21:22:00 In my previous article: Using SSH Instead of Telnet I gave you an overview why you must use SSH instead of telnet. In this article I will show you how to configure a router as an SSH server. Keep in mind that you will need an SSH client to connect to the server. Popular SSH ... More About: Cisco , Router , Config
Using SSH instead of Telnet
2007-10-15 19:52:00 Accessing remote network devices for monitoring purposes or for configuring it, is an everyday activity of any network administrator. But which remote access method you use? Maybe telnet is a good idea if you don’t care about security. Always keep in mind that using telnet to communicate with your remote network devices is not secure because all the ... More About: Telnet
Subnetting example
2007-10-12 20:02:00 After Lebyathans comment in the article “understanding ip addressing“, I have decided to give you an example of subnetting using the ip and subnet mask he mentioned. In this article you can see how we can find the network address, first valid host, last valid host, broadcast address, number of subnets and number of hosts ... More About: Xamp
Problem Solved
2007-10-10 18:31:00 Welcome again. This unfortunately is not an article about networks but it is an article about our network. Well let me explain. As you may have noticed, the previous week was a hectic one. We had several problems with our host, latency, slow loading of the pages and sometimes timeouts. After thinking a bit ... More About: General , Problem
Use Passwords to Secure Your Cisco Network Device
2007-10-08 19:57:00 Configuring the passwords of your network device is the first step to achieve security. How do we do this? In Cisco devices we have four different basic types of passwords; enable password secret password telnet password console password Now let’s analyze them. If you Like this Article, Share it! More About: Network , Device , Secure , Swords
Cisco IOS Operating Modes
2007-10-05 20:20:00 When you have access to a Cisco network device; for example a router, in your console interface appears the host name of the device and the prompt. It looks like that: In the image above the Hostname of the device is RouterA and the prompt is >. This prompt means that you are in user mode and ... More About: Operating , Odes
Operating System Of Cisco Network Devices
2007-10-03 20:30:00 I was thinking to write about DSL, VPN, ACLs and other configurations on cisco devices. But first things first, it’s important to know about the operating system of cisco network devices. IOS (Internetworking Operating System ) is the operating system that cisco devices use. IOS belongs to CLI (Command Line Interface) category of operating systems; this means ... More About: Operating System , Devices , Network , Cisco
Get started with a cisco network device
2007-10-01 20:05:00 To start working with a Cisco device you need to access it somehow. You can configure it via the console port or via telnet. 1. For accessing the network device by using the console port you will need a rollover cable that normally gives you ... More About: Network , Device
The Basics of a Home Wireless Network
2007-09-28 21:04:00 Setup and configuration of a home wireless network is not a very difficult task. Although, we need the appropriate devices and some basic knowledge. All the devices that will connect to the wireless network must have a wireless network card. Usually laptops and PDAs have the wireless card on-board or if they don’t, we can ... More About: Wireless , Home , Network , Basics , The Basics
Understanding Ip Addressing
2007-09-26 18:59:00 Ip addresses consist of two parts, Network and Host part. Take for example the Ip address 172.16.1.1 What is the Network part and what is the Host part of an Ip address? You can’t tell before assigning a subnet mask for the specific Ip address. By using a subnet mask we can distinguish the network and the ... More About: Understanding , Dressing
Introduction to VPN Concepts
2007-09-24 19:06:00 VPN (virtual private network) is a tunneling method that gives us the capability to connect two remote sites together over the public WAN. VPN allows us to connect to our local network from remote locations. For example let’s say that we have a company with two sites, one central office in California and one branch office ... More About: Concepts , Introduction
Conversion from Binary to Decimal and Decimal to Binary the Easy way
2007-09-21 19:26:00 Ip addressing is a vital knowledge for all the IT and non IT people that are involved with networks, from large enterprise networks to small home networks. To fully understand Ip addressing it’s necessary to be familiar with binary mathematics and conversions, from the decimal mathematic system to binary and vise versa. I will try to ... More About: Easy , Conversion , Easy Way , Cima
Classes of ip addresses
2007-09-19 20:24:00 Every ip address belongs to a specific class. The ip address classes are: But how is an Ip address related to a class? More About: Classes
CCNA Certification. Exam Information, Tips and Guidelines
2007-09-17 20:07:00 When I start or finish a CCNA course I ask my students what they would like to know about the CCNA exam. Always there is some information that they would like to know but never thought to ask. So giving you all the necessary guidelines about the exam from the questions that the attendants of ... More About: Information , Tips , Cisco , Certification , Exam
DSL: Many of Us Have It, but What Is It and How Does It Work?
2007-09-14 21:20:00 Nowadays a lot of people talk about DSL but what exactly is the DSL technology? In this article I will try to give you a very brief overview about DSL and how it works. DSL (Digital Subscriber Line) is an OSI layer 1 technology that allows you to deliver extra bandwidth and high speed data connections over ... More About: Work
CCNA Course Material Update 2007: What?s New
2007-09-14 21:19:00 Cisco systems has announced changes in the course material and the certification path of the CCNA exam. First of all, the CCNA exam was constituted from two different courses INTRO and ICND. Now, Cisco has replaced the INTRO (32 hours) course with ICND 1 (40 hours) course and the ICND has been replaced by ICND 2 ... More About: Update , Cisco , Material , Materia
Port Forwarding: Why Is It Needed and When
2007-09-14 21:17:00 Many of us have a DSL connection at home. Most of us can configure the DSL router by our selves and most of us can even port forward the ports that are needed. But do we really know why and when it is needed to be done? Let’s say we have a DSL connection installed at ... More About: Port , Forward , Forwarding
Networks Analyzed @ Netralized.com - Our First Post
2007-09-14 21:16:00 Welcome to our new website, Netralized.com. The idea started when two persons, Jim Skenderlis and Angelos Papaioannidis, met each other at some Cisco CCNP courses. Jim was an instructor and Angelos a course student. The aim of this article is not to describe our selves, that information can be found in ... More About: Networks , General , Post , First Post , Analyze |
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