Switching gears for today, Cisco has introduced a certification for onsite support technicians, who need product-specific technical skills to diagnose, restore, repair, and replace critical Cisco equipment. This certification which was introduced this summer now has questions about it from CLN (Cisco Learning Network) and other Cisco sites. So what is this new cert and any changes to ICND1 or ICND2? Continue reading
Monthly Archives: September 2011
The “Ending” of Layer Two Redundancy
Although layer two redundancy should never end, this is the final chapter of understanding layer two redundancy in the network. Last week I talked about how and why STP (IEEE 802.1D) is important in the network and the problems and causes of not having it which can turn your network against you and everybody on it. Today’s post will talk about how a switch decides which one is in charge on the network and which ones aren’t Continue reading
The Middle of Layer Two Redundancy
In the month of August I talked about the “beginnings” of layer two redundancy mainly looking at the basic foundations and fundamentals of having layer two redundancy. Let’s continue are discussion about redundancy in the layer two environment. Continue reading
