technology

Why IPv6?

Aug 22, 2012 · 3 min read · CCNA Internet Assigned Numbers Authority IP address ipv4 ipv6 ISATAP Network networking Regional Internet registry technology ·

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Although this protocol has been around since 1996 it has been anticipated that IPv4 would one day be exhausted. In February 2011 the Internet Assigned Numbers Authority (IANA) assigned the last /8 address blocks to the Regional Internet Registries so time is getting close but you have heard this warning before right? …

Password Recovery – Cisco IOS Routers

Jul 21, 2012 · 4 min read · CCNA CCNA Security Cisco cisco Cisco IOS Command-line interface Configuration file ICND2 networking security technology TeraTerm Tutorials ·

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Secure In this post I want to cover how to recover passwords on a Cisco IOS Router. This is helpful in lab environments as well as production environments. Although this method can be used the correct "legal" way you can also use this method to break into these devices "illegally" if you have …

Upgrade ASA IOS via ASDM

Jun 29, 2012 · 3 min read · ASA ASA IOS ASDM CCNA Security Cisco cisco Cisco ASA Cisco Systems networking security technology tutorial Tutorials Virtual private network ·

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In this short but helpful post, I'll go through the process of upgrading the ASA IOS via the ASDM. This is a pretty painless method if all goes well the only thing you have to do schedule downtime if this box is in production, and grab the ASA IOS image from Cisco. For this post all have been covered let's get started! …

Part 1 - The Joys of Subnetting!

Apr 1, 2012 · 5 min read · CCENT CCNA cisco ICND1 ICND2 IP address networking subnet masks Subnetwork technology tutorial VLSM ·

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Since network technicians work with IP addressing, it is hugely important to understand subnetting. I remember back when I started to learn subnetting it was confusing and I wanted nothing to do with it. The thing that made me change my mind was after I understood it and how important it is. In the "Cisco …

What is the Nexus 1000v?

Mar 17, 2012 · 3 min read · Access control list Cisco Cisco Systems Data center General networking Nexus NX-OS Software software technology Virtual machine VMware ·

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network_cloud I have worked with the Nexus 1000v product and wanted to share my thoughts on it. I want to explain in this blog what this product is and what it does. The Nexus 1000v can be virtual or a hardware appliance and is considered to be a virtual switch that runs in VMware. The major benefit to this product is …