CompTIA LX103
Cisco ICND1
Cisco ICND2
Various
Labs
GNS3 - Graphical Network Simulator for Win / Mac / Linux
r/CCNA - CCNA subreddit
This is an old revision of the document!
GRE tunnels, but dynamic, yanno?
Going to skip the explanation until I hit this part in the books, but until then - a refresher on quick Phase 2 configuration from a Hub/spoke topology with one HUB.