Currently viewing the tag: "cisco"

New blog section – Certification

By On November 17, 2011 · Leave a Comment

I don’t know how many of my blog visitors had the curiosity to visit the About section to read something about me. If some of you did read that section, then you already know that I have several certifications from Cisco and other vendors and I’m on my way to CCIE. A long road with a slow progress due to my busy professional life.

These being said, I want to announce a new section of my blog called “Certification”. In this section I [...]

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Cisco Easy VPN Router-to-Router

By On September 16, 2011 · 1 Comment

Cisco Easy VPN is not a new technology. Actually it is pretty old, but still used by many companies or people to connect remote site / remote workers to headquarter.

A few days ago I was looking to connect a remote site in a simple way but still secure and a colleagues suggested me to use Easy VPN. It supposed to be a simple configuration and it was after solving all issues that came into play.

First of all, I needed an Easy VPN Router(client) [...]

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Would you do such things to an ISR 819?

By On September 9, 2011 · Leave a Comment

Lucky there is a big disclaimer at the beginning of this video. Otherwise I would be tempted to test such things and then plug it in to see if it still start (at least) and run.

It’s a nice commercial from Cisco, but to be honest I feel bad for this poor device:

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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 = Core routers (11.1CA, 11.1CT, 11.1CC) D = xDSL technology E = Enterprise feature set F = Feature Specific enhancements (11.2F) G = Gigabit Switch Routers (GSR) H = SDH/SONET [...]

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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 network that we administer. I hope they will help you as well.

Maybe you are wondering why I’m adding them here, since the documents are already somewhere in Cisco.com. As probably you [...]

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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 or real technical stuff, but as long as it is free I think it worth spending some time to check this webcast.

This session will help you understand how Cisco [...]

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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 then to take that knowledge and practice on Cisco IOS software.

We want to be able to practice that knowledge, and demonstrate our competence. We know that you are considering the [...]

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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 Cisco VNI. Interesting forecast. Who is too bored to read this, check the video at the end.

VNI Global Mobile Data Forecast Growth

As many [...]

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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 AD

Part 3 – Some basic testing to prove that everything is working

I really hope that I’ll have sufficient time to complete this tutorial in the next weeks. As you probably [...]

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Cisco 2900 – Interface related chassis modification

By On August 9, 2010 · Leave a Comment

The Cisco Enhanced EtherSwitch Service Modules seen above, expands the router’s capabilities by integrating Layer 2 and Layer 3 switching feature sets identical to those found in the Cisco Catalyst 3560-E and Catalyst 2960 Series Switches.

The new Cisco Enhanced EtherSwitch Service Modules are the first modules to take advantage of the increased capabilities on the Cisco 3900 and 2900 Series Integrated Services Routers. Additionally, these service modules enable Cisco’s industry-leading power initiatives, Cisco EnergyWise®, Cisco Enhanced Power over [...]

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