A Rogue DHCPv6 Server Took Users Offline: A Post-Mortem
An office network with no IPv6 deployment lost web access. The cause was a personal router advertising IPv6 — and a DHCP snooping configuration whose scope did not cover it.
enterprise-network
Enterprise Network
Seven years of enterprise and hybrid-cloud networking: cloud interconnect and IPsec, 802.1X and NAC, wireless design, firewalls, and post-mortems from outages that taught me something.