Every physical medium has a maximum size of packets it can send. This is called MTU (Maximum Transmission Unit). For Ethernet this is usually 1500 bytes. If we send packets that are larger than 1500 bytes fragmentation is needed. Fragmentation
ARP (Address Resolution Protocol)
ARP is one of the most used protocols and every netwoork engineer should have a good understanding of it. The purpose of ARP is to find out the hardware address for a host for which we know the IP. ARP
Ghetto VGA cable
This is a bit off topic but I just had to share this with you. I have a HP Elitebook 2530p laptop which I put in a dockingstation at work. Something is very weird with the dockingstation, when I connect
Call for educational IOS
As many of you know, with IOS 15.0 Cisco has moved to one IOS per platform with different licenses for different features. This certainly means fewer versions to administer but it also means that the future for Dynamips/GNS3 isn’t looking
Internetworking with TCP/IP done
I finished this book yesterday. Overall a pretty good read although very academic and somewhat dated in certain areas. If you want to know more about TCP/IP this is a good book to read. I am also going to read
Book list
These are the books I am planning on reading: Interconnections: Bridges and Routers by Radia Perlman Internetworking with TCP/IP: Principles, Protocols and Architecture v.1 by Douglas E. Comer TCP/IP Illustrated: Protocols v. 1: The Protocols by W. Richard Stevens Internet
Halfway through Internetworking with TCP/IP
I am roughly halfway through this book right now by Douglas E. Comer. The book is called Internetworking with TCP/IP Vol.1: Principles, Protocols, and Architecture (4th Edition). I am finding it a good read so far. It talks about the
Ubuntu on a stick
Since I have started studying for the CCIE I needed a lab. I don’t have the space/money to get a dedicated home lab so I have to use Dynamips and GNS3 instead. It is well known that Dynamips runs better
Finished Perlmans book
Well, I didn’t really finish it. I was about halfway through when I decided I had enough. I was a bit disappointed with it I must say. I do like Perlman but her writing style didn’t really appeal to me.
Finding time to study
I have a wonderful fiancee and a son who is 2 years old today! Having a family means there is a lot less time available for studying. I can’t do those cram sessions for 8 hours straight. I have a