Orhan Ergun
Orhan Ergun, CCIE/CCDE Trainer, Author of Many Networking Books, Network Design Advisor, and Cisco Champion 2019/2020/2021
Cisco
Fortinet
Network Design
ccie
ccde
ccie enterprise
ccie service provider
sdn
sdwan
sda
campus design
wan design
routing protocols
CCNP
CCNA
Security
datacenter
wireless
mobile networks
He created OrhanErgun.Net 10 years ago and has been serving the IT industry with his renowned and awarded training. Wrote many books, mostly on Network Design, joined many IETF RFC...