Archive | CISCO RSS feed for this section

Latest HP SmartStart CD 8.70 Released x32 x64 Versions

June 26, 2012

1 Comment


Much awaited version of SmartStart CD is released by HP. The new SmartStart CD 8.7 is released!!. SmartStart 8.7 supports latest version of Windows Server OS and is much needed for customer who wish to implement SBS 2011 on their servers.

Continue reading...

How Address Resolution Protocol (ARP) Works

April 11, 2012


Address Resolution Protocol

Followed by azker‘s article on OSI model Part-1 and Part-2. In this article I will explain what this ARP and why it’s important to know about it. In OSI Layers you see there are two types of addresses in OSI model. Network layer contains IP address and Datalink layer contains MAC address. When I was […]

Continue reading...

Top 10 IT Certifications in 2012 (CTS)

December 24, 2011



Mobile, Cloud, Social and Data Analytic Technologies are Expected to be the big movers in 2012, says a December 2011 article from iTWire. Virtualization and security were already buzzwords in 2011, but new in 2012 is the emphasis on enterprise social collaboration and business analytics Technology.

Continue reading...

Port Scanning

November 26, 2011


portscan 100x100

Port Scanning is one of the most popular techniques used by hackers to discover services that can be compromised. A Potential target Computer runs many ‘Services’ that listen at ‘well-known’ ‘Ports’. By scanning which ports are available on the victim, the hacker finds potential vulnerabilities that can be exploited.

Continue reading...

VPN Tunneling & Tools – Explained

November 5, 2011

1 Comment

vpn tunaling and tools 100x100

What is VPN Tunneling? A VPN Tunnel is exactly what it sounds like it should be it is a virtual “tunnel”, or secure encrypted connection, between two or more endpoints. It allows a user with two geographically separated destinations to establish a logical connection.

Continue reading...

Portforwarding Explained [GeekLK]

September 2, 2011

1 Comment

network port

If you want to reach your friend through the phone call you’ll need his/her phone number. Likewise in IP Network environment to reach a host or a server you need an address called IP Address Eg- And the network services requesting on that host or server is separated by protocols which also have numbers […]

Continue reading...

Difference between Layer 2 and Layer 3 switches

August 1, 2011

1 Comment


Layer 2 switches and Layer 3 switches – you may have heard the terms before. So what exactly are they? Both switch types have the capability of linking network devices together from one port to another. Unlike hubs, switches distribute data more intelligently as it interprets them and sends it out to the right destination. […]

Continue reading...

Spiceworks – Best free Network Management Software

June 28, 2011

1 Comment


To keep a network infrastructure up-to date monitoring and reporting must be done frequently and It’s a most important task for Network Administrators. Spiceworks provides awesome network management software to monitor and reporting all kind of network equipments in the network.  The cool thing about this software is, it’s nothing but FREE. Once the Spiceworks […]

Continue reading...

How Firewalls Work – What a Firewall Does

June 20, 2011


firewall thumbnail geeklk

If you have been using Internet on a regular basis or working in a large company and surf the Internet while you are at work, you must have surely come across the term firewall.

Continue reading...

Google hack for free Cisco IOS

January 30, 2011


Google is awesome, Yes it is. A nice trick to get Cisco IOS images from Google. Just paste the following link in  your address bar! Thanks to AZIZ Source:

Continue reading...