Author Archives: Robert

GNS3 caveat – port status

Posted on 26 February 2017 by Robert

Creating a network lab in GNS3 is reliefs on budget. But there are some drawbacks. One of which is port status. I have noticed that using GNS3 in combination with iouyap results in some unexpected behavior. Once a topology is made … Continue reading →

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Extended IP Access-list

Posted on 19 February 2017 by Robert

As we all have learned in our pursuit to CCNA there are many different types of access-list. In reality most commonly used are ip access lists. Major difference between ip standaard access-list an ip extended access-list is the ability to … Continue reading →

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EIGRP neighbors

Posted on 5 February 2017 by Robert

Cisco EIGRP protocol allows different methods to form neighborship relations. Default method is form neighborship automatically via multicast (multicast address of 224.0.0.10 is used) After an adjacency is formed ‘hellos’ are  sent using IP protocol 88 (eigrp). This means that; … Continue reading →

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Cisco Express Forwarding

Posted on 7 January 2017 by Robert

Differences between IP CEF , fast forwaring and processor based forwarding. Continue reading →

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Virtual Lab setup

Posted on 27 December 2016 by Robert

Today I want to talk about the lab setup I have made. But first a slight warning; I will not discuss any use of illegal software nor will I tell you how to get IOS/IOU files. For quite some years … Continue reading →

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CCNP Books have arrived

Posted on 17 December 2016 by Robert

The 300-115 (switch)  book was already in my possession.  This week the last two books arrived; 300-101 (route)  and 300-135 (tshoot). For some time I was cramming labs from whichever tutorial I could lay my hands on. Now the study … Continue reading →

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T-Mobile – Evernote course

Posted on 29 June 2014 by Robert

Last week I received an email with en invite to attend a free Evernote course. Free is good and Evernote is great tool to store and organize brainfarts. Immediately I jumped to the occasion to enroll to the course. I … Continue reading →

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