Today very few IT-systems are able to operate isolated from other systems and without a network connection.

The data network now is the key of every successful IT operation.

Our expertise includes

• cabling systems (copper and fiber)
• L2-devices (switches)
• L3-devices (IP-routers and gateways)
• every recent IP routing protocol, especially OSPF and BGPv4
• DHCP and DNS
• MPLS
• LISP
• WAN-acccess technologies
• Throughput/bandwidth testing

Mr. Gaertner was Cisco Certified Internetworking Expert (CCIE #11220) from 2003 to 2015 and is now CCIE emeritus