Networking
IPv6 on Cisco IOS-XE: Dual-Stack Configuration, OSPFv3, DHCPv6, and Security Hardening
A complete guide to enabling IPv6 on Cisco IOS-XE — dual-stack interfaces, OSPFv3 with address-family, DHCPv6 server and relay, RA Guard, DHCP Guard, and BGP IPv6 peering with real CLI examples.