Archive for February, 2009

Doing It Right in PKI-Enabled Cisco VPNs: Choosing and Protecting Keys

February 25th, 2009 by Jan Bervar


So you'd like to implement a Cisco IPsec VPN using RSA keys and certificates in a PKI to authenticate peers? I'm guessing that your reasons for this are (some of) the following: You understand that partially or fully meshed VPNs require a scalable peer-authentication method. You choose not to use pre-shared keys ...

New Securing Networks with ASA Advanced (SNAA) 1.0 Remote Lab Exercises

February 23rd, 2009 by Bojana Stucin


Are you an advanced administrator of the Cisco ASA product, who needs to configure and monitor security solutions based on the product? This set of lab exercises will help you master the skills. The Securing Networks with ASA Advanced (SNAA) lab bundle contains all exercises associated with the SNAA v1.0 course. ...

As good as it GETs?

February 17th, 2009 by Jan Bervar


By now, you probably have heard about the latest Cisco site-to-site VPN technology, Group Encrypted Transport VPN (GET VPN). GET VPN promises to solve most of the scalability and manageability issues of partially or fully meshed IPsec VPNs. However, before you jump into the fire, it's important to understand that ...

Simulations are not the real thing

February 12th, 2009 by Ivan Pepelnjak


Anyone who has ever had the "privilege" of interviewing a certified individual with purely theoretical knowledge appreciates the value of hands-on tests. The creators of certifications in the IT industry (including Cisco Systems) have responded by including more and more hands-on exercises in the certification exams. Unfortunately, Cisco decided not ...

New Implementing Cisco IOS Unified Communications (IIUC) 1.0 E-course

February 11th, 2009 by Bojana Stucin


IIUC 1.0 e-course is the newest product in NIL e-course portfolio. As the IIUC training supports the CCNA Voice certification, this e-course should be your first step towards highest certifications in your voice track.

Can UMTS technology really provide useful WAN connectivity?

February 10th, 2009 by Stefan Dominko


These days, a lot of companies want to use UMTS technology for backup WAN connectivity. Speeds seem to be very promising, and considerable even for primary WAN connections. But what about response times ? One of service providers is promising the following response times:

NIL offers the first instructor for DMSTP v8.5 course

February 6th, 2009 by Bojana Stucin


NIL launched a new version of the DMSTP course and at the same time proudly announces, that is currently the first and the only one with the certified instructor for a DMSTP v8.5 course! If you need to design a Cisco ONS 15454 MSTP network and are involved in selling solutions ...

Designing Site-to-Site IPsec VPNs – Part 4

February 5th, 2009 by Marjan Bradesko


The legacy technologies such as leased lines or switched networks (Frame relay, ATM) have long been replaced by public Internet or MPLS. To secure the traffic between the Local Area Networks at remote sites an IPsec is an integral part of today`s solutions. Boštjan Šuštar, the Internetworking Expert at NIL Data ...

Writing good exam questions

February 3rd, 2009 by Ivan Pepelnjak


Readers who commented on some of my previous certification-related posts have complained about the vagueness of exam questions. I have to agree with them; I've seen my fair share of dubious questions in the exams I've taken. For example, when I was developing EIGRP and BGP courses for Cisco, my ...