In the article, “What Is the Definition of a Switch Fabric ?” on Switch Fabrics I looked at how a Crossbar switching fabric allow for concurrent circuit forwarding and how this is used to build a fabric. In most cases, frames would be received and forwarded from an input to an output, as show in […]
I went to my Cisco Press account today ….
Cisco Learning Network will announce their Cisco Learning Labs today, which offers a full remote lab of networking equipment targeted students in authorised Cisco training.
Cisco Press textbooks are available in PDF format from O’Reilly but don’t buy them from Cisco Press website because the Adobe DRM will cause you pain and problems.
I have been working on the edge of MPLS networks for several years and had a basic understating of DSCP QoS values that I was sending into the cloud and expecting them to pop onto the LAN at the other side the same. The QoS queues on the CE’s were already setup and I have had no reason to change then until recently for a new VOIP project; this and my studying for CCIE SP written has prompted me to understand DSCP in depth but also understand how this LAN QoS maps to MPLS QoS.