New post on ignaonline.com by Sarah Chen:

IPv6 on Cisco IOS-XE: Dual-Stack Configuration, OSPFv3, DHCPv6, and Security Hardening

IPv6 is no longer optional. This guide covers everything you need to enable it on Cisco IOS-XE: dual-stack interface config, OSPFv3 with the address-family model, DHCPv6 stateful and relay, RA Guard, DHCP Guard, Source Guard, ICMPv6 rate limiting, management plane ACLs, and BGP IPv6 peering — all with real IOS-XE CLI examples and show command output.

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