Cisco IOS release naming

By On July 11, 2011 · Leave a Comment

Most probably you already know this, but for those who are interested, here is a list of the letter definitions for Cisco IOS release trains. In more human terms, if you have loaded an IOS image like c2900-universalk9-mz.SPA.150-1.M5.bin, what those letters (in this case SPA) mean:

A = Aggregation/Access Server/Dial technology B = Broadband C [...]

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Cisco QoS at-a-glance

By On July 8, 2011 · 1 Comment

Stephan, a  colleague of mine,  found the following documents digging through multiple pages of Cisco.com. The documents present a nice view of different QoS approaches and the most  important information. Somehow like “cheatsheets”. They were helpful to us when need to implement QoS in some parts of the [...]

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ACS 5.1 integration with Active Directory [Part II]

By On May 5, 2011 · 12 Comments

In the first part of this article, I described a little bit the installation process for Microsoft Active Directory. Now it’s time to go ahead and talk about the ACS 5.x integration with AD. In the meantime I changed the version “5.1″ to “5.x” as version 5.2 is already [...]

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Cisco CCDA: 640-863 and 640-864

By On April 27, 2011 · Leave a Comment

As you probably know the CCDA exam 640-863 will be replaced by the newer version 640-864. The problem is not that Cisco is changing them (this is actually a good thing) but the fact that are too less materials regarding new exam and a lot of contradictory information.

First of all the official Cisco guide: [...]

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Cisco Secure ACS Unauthorized Password Change Vulnerability

By On April 19, 2011 · 1 Comment

I just finished testing a solution involving ACS 5.2 and Active Directory, when this “good news” hit me in face. It seems that ACS has a vulnerability that allow an unauthenticated attacker to change the password of any user account to any value without providing the account’s previous password.

You might think that this affects [...]

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The Essentials of CCNA Webinar

By On March 15, 2011 · 1 Comment

I just received an e-mail from Cisco about a free CCNA Webinar. It may be useful for those who want to become a CCNA or just want to know what is CCNA all about.

It’s one of the most recognized certifications in the IT industry today—now find out why so many networking [...]

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Cisco Interactive Technology Workshop: Video Collaboration

By On February 28, 2011 · 2 Comments

Today, I’ve got an invitation from Cisco to attend their webcast regarding First Steps in Video Collaboration. I believe all of you out there who have a subscription to Cisco.com, got this invitation, but just in case you didn’t, here are the details.

Don’t ask me if this is just a marketing [...]

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Petition for Educational Cisco IOS emulator

By On February 27, 2011 · 2 Comments

The Cisco IOS Emulator Petition

We the undersigned ask Cisco to consider our petition for an open and usable IOS Emulator for learning, study and training.

We are the people who are learning about Data networking and Cisco IOS software. As students and practitioners, we need to learn theory and knowledge and [...]

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Cisco VNI: Mobile Data Traffic Forecast 2011

By On February 26, 2011 · Leave a Comment

26X. That’s the amount of increase in traffic the global mobile internet is going to have over a 5 year span from 2010 to 2015, as forecast by the latest iteration of the Cisco Visual Networking Index.

The next lines and video do not belong to me, but they exist thanks to

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ACS 5.1 integration with Active Directory [Part 1]

By On February 25, 2011 · 2 Comments

If sometime you need to test a configuration regarding ACS integration with Microsoft Active Directory, or if you think that this is something that you want to try, then continue reading:

Part 1 – Active Directory installation

Part 2 – ACS 5.1 integration with [...]

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