CISCO
How Address Resolution Protocol (ARP) Works
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 learning OSI Layers this [...]
Top 10 IT Certifications in 2012 (CTS)
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.
Portforwarding Explained [GeekLK]
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- 192.168.1.10. And the network services requesting on that host or server is separated by protocols which also have numbers assigned known [...]
Difference between Layer 2 and Layer 3 switches
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. Layer 2 and [...]