Ivan Pepelnjak
Network Architect Independent Blogger at ipSpace.net AG
Freienbach, Schwyz, Switzerland
Summary
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Senior🎓
Top SchoolIvan Pepelnjak is a veteran network architect and independent blogger with over 30 years in networking and more than 25 years designing, operating, and troubleshooting large-scale service provider and enterprise WAN/LAN environments. As founder of ipSpace.net AG and CCIE#1354 Emeritus, he specializes in SDN, SDDC, large-scale data center technologies and advanced IP/MPLS-based networks, translating deep technical expertise into practical training and consulting. His Cisco Press books on MPLS, VPNs and EIGRP and decades of high-end curriculum development reflect a rare mix of field-proven design skills and pedagogy. Based in Switzerland, he combines hands-on architecture with thought leadership—publishing practical analyses that influence operators and vendors alike. Less obvious: he has sustained a multi-decade career that spans research, product-level engineering and executive technical advisory roles, giving him a holistic perspective on networking evolution.
10 years of coding experience
4 years of employment as a software developer
ipSpace Building Network Automation Solutions courseMaster of Science (MSc), Computer Engineering, Master of Science (MSc), Computer Engineering at Univerza v LjubljaniipSpace Building Next-Generation Data Center courseGimnazija Bežigrad
Github Skills (90)
python10
testing10
ubuntu10
automation10
ansible-galaxy10
ansible-role10
ssh10
netmiko10
ansible10
bgp10
cisco10
vagrant10
libvirt10
scenarios10
network-automation10
Programming languages (9)
Github contributions (5)
ipspace/MPLS-infrastructure
Dec 2016 - Apr 2018
Contributions:17 commits, 2 PRs, 7 pushes in 1 year 4 months
mplsansibleinfrastructurevpnansible-role
bgplab/bgplab
Aug 2023 - Mar 2025
Master BGP configuration with this set of virtual labs
Contributions:1 review, 4 PRs, 373 pushes in 1 year 7 months
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