This CCNA Certification video describes how to configure serial links on a Cisco Router. This is one of our more basic CCNA videos. This is for those just starting out and who may not have our CCNA lab workbook to provide them things step by step. Or maybe you are the type who learns better by seeing. In either case, here is a short CCNA video on how to configure serial links and be sure to visit our lab section or purchase or lab workbook if you need more help configuring your Cisco routers.