CCNAx day 2. David PapkinMay 10, 2014 David Papkin Category No Comments Taught CCNAx today. IP subnetting .students had lively discussion So fun to teach on Saturday ^__^ cisco, david mark papkin, David Papkin ← Taught 20410C Day 4 CCNAx Day 4a → Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.