RFCs We Love: Operational Security Consideration for IPv6 Networks
Updated: Feb 24
RFCsWeLove is an online meetup organized by the India Internet Engineering
Society (IIESoc). We hosted the RFCsWeLove meetup on the 23rd Feb 2026
(Monday) at 20:30 PM IST.
RFC 9099 distills operational security lessons learned from real-world IPv6 deployments, focusing on practical risks rather than theoretical protocol flaws. It highlights how many IPv6 security issues arise from default configurations, incomplete operational practices, and assumptions carried over from IPv4 environments. This session will walk through key operational security considerations in IPv6 networks—addressing topics such as filtering, control-plane protection, neighbor discovery, extension headers, and monitoring—and discuss how operators can build safer IPv6 deployments through informed configuration, visibility, and operational discipline.
Éric Vyncke is a co-author of RFC 9099 and an Area Director for the Internet Area of the IETF. He currently works at Cisco in the Emerging Technology & Innovation group where he focus on standards, IPv6, telemetry, and security. He joined Cisco in 1997. Éric is also the co-chair of the Belgian IPv6 Council since 2012. His previous work at the IETF were around IPv6, and information model, he is also the co-author of two network security books about layer-2 and IPv6. Finally, Éric is an associated professor at the University of Liège, Belgium, where he graduated with a M.S. in Electrical and Electronics Engineering in 1983. When not reading internet-drafts, Eric enjoys flying Cessna planes and gardening in his garden in Belgium.
Slide: HERE
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