Most useful tip from Cisco Live 2021 and it's implementation
Setup of two redundant Cisco ASA firewalls on a Fritzbox cable modem with Non-routed transfer network to keep the "PC-MAC"/"exposed host" configuration on Fritzbox during ASA failover switching
Cisco Smart Software Manager (SSM) On-Prem Test Drive installation, Virtual Machine setup and first steps in the Web UI
Official Cert Guide Cisco Certified DevNet Associate DEV ASC 200-901 book available and arrived from the USA to Germany.
Some thoughts after the Cisco DevNet Create Live Event
Learning material for network automation with books, videos, podcasts, courses and API, libraries and tools
Cisco CleanAir quality report for 2.4GHz WiFi in my area
Useful Cisco Commands for Troubleshooting problematic cabling (Cat.x and Fiber optics).
Cisco Live 2020 Barcelona, Day #5 - SD-WAN, deployment strategies, managing and monitoring
Cisco Live 2020 Barcelona, Day #4 - Catalyst 9000 Access Switching Architecture and Resolving Network Faults Faster through Automating Entire Fault Management