For those who are not following
IPExperts blog, You are certainly missing something on your CCIE trainings. This might surprise you that IPExpert, One of the leading CCIE training and learning material provider has a blog where they reguarly post detailed explanation of relevant topics and they also have a Video Training Section, where free video trainings is provided.
You can watch their world renowned
CCIE instructors
explaining specific technical topic in their technology-focused classes
and capture the technical knowledge needed to increase your chances of
passing CCIE exam. Below is the list of videos available there as on date but you should check them regularly to view the updated list.