Ivan Pepelnjak

Ivan Pepelnjak, CCIE No. 1354, is a 25-year veteran of the networking industry. He has been designing, installing, troubleshooting, and operating large service provider and enterprise WAN and LAN networks since 1990. Ivan is chief technology advisor at NIL Data Communications, focusing on advanced IP-based networks and web technologies. His books published by Cisco Press include MPLS and VPN Architectures, Deploying Zone-Based Firewalls and EIGRP Network Design Solutions.

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Jeremy Stretch

Jeremy Stretch is a network engineer currently employed in Western Iraq supporting US and coalition forces there. He is also the creator of PacketLife.net.

Boštjan Šuštar

Boštjan Šuštar gained his CCIE certification in 1997 and has since been recertifying as a Routing and Switching CCIE, although he also has experience in the security and service provider areas. As an advisor, he took part in planning networks in Slovenia and abroad. He is also a developer and instructor for specialized Cisco Systems courses.

Sebastian Majewski

Sebastian Majewski, CCIE No. 18643, is a network engineer for SCC Soft Computer in Clearwater, FL, where he works on network design, implementation and resolves problems with Cisco equipment. He earned his master degree in computer science from Technical University of Lodz, Poland. When not at work, Sebastian enjoys spending time with his lovely wife Angelika.