VLAN – a virtual LAN. Ports defined to be a common broadcast domain. Can span multiple switches through the use of trunks. broadcast domain – devices that are on the same ethernet area. When a broadcast is sent to this area, everyone in the area gets it. Typically, one subnet per broadcast domain.
Good review of all the basics here: VLAN’s, starring DTP, 802.1q, ISL, tags, private VLAN’s, and more. Not a terribly long chapter, but good fundamentals to know. Definition of a VLAN – a group of ports that can span multiple devices, but are still a part of the same broadcast domain. Usually, you have a […]
I’m planning on building a lab with 2 6513’s, 2 3550’s, 4 3750’s, at least 1 3845 (I think I can put my hands on one), and 2 or 3 or 4 2600’s I have available. That’s not the hugest priority for me today as I have to get through the written exam. But…I’m going […]
I also read chapters 2 and 3 in the OECG book this week (VLAN’s and spanning-tree), but I don’t have the energy to do the write-ups on them like I did for chapter 1 right now. Maybe a bit later. I think I’ll go balance the checkbook and pay some bills for now.
The end of each chapter encourages you to do certain things to help you retain the information. One of those things is to define a set of words they provide, and check your answers on the CD glossary. (Note – the only thing I can’t find on the companion CD that came with the book […]
I read this chapter through in a sitting and didn’t spot much I wasn’t already comfortable with. Although there’s a lot of details that you just don’t think about much that come back up like heartburn. Chapter highlights:
I am working through the Cisco Press CCIE Routing and Switching Official Exam Certification Guide, Second Edition by Wendell Odom, Jim Geier and Naren Mehta. When referring to this book, I shall abbreviate it as “OECG”. This is the primary text I’m using to prep for the written exam, although I expect I will have […]
In the future, I’m going to try to blog studies daily, while the information is fresh in my mind. I wasn’t sure I was going to set up the CCIE blog, so it wasn’t ready when I started studying this week. I’ve spent the last couple of hours fiddling with WordPress settings, and figuring how […]