October 2016 is my first contact CCIE this thing, although previously trained, have network experience, but the basic knowledge and understanding of the network does not understand anything, let alone some of the protocols such as MPLS LDP , ISIS, BGP, etc. have never been exposed before, so you can only learn from the most basic. (My dump there are training are bought from this site, I feel very good to share for everyone http://cciedump.spoto.net/ccie-service-provider.php) The first step in learning to see video lectures, this is a painful process, there is no good way, do not look is equivalent to give up. However, since the choice, we can only persevere, and during this period I found my basic knowledge is too weak, a lot of content is based on the CCNP knowledge points, at some point, you need to interrupt the CCIE learning, before the temporary cover Knowledge point, so as to continue. I remember the first time I heard mpls optionC...