Each guide starts with the decision you need to make, shows the Cisco IOS evidence that supports it, and ends with a rapid-review grid. The pages are designed for screen review and clean printing.

Address scopes, prefixes, NDP, SLAAC, and EUI-64

IPv6 Addressing and Neighbor Discovery Quick Reference

Separate IPv6 address types, prefix behavior, modified EUI-64, Neighbor Discovery, router advertisements, and link-local next-hop requirements.

Review IPv6 addressing

Longest prefix, AD, metrics, next hops, and static routes

Route Selection and Static Routing Quick Reference

Read Cisco routing-table evidence in the correct order, then troubleshoot default, network, host, floating, IPv4, and IPv6 static routes.

Review route selection

VLAN placement, loop prevention, bundled links, and verification

VLANs, Trunks, Rapid PVST+, and EtherChannel Quick Reference

Match access ports, trunks, SVIs, LACP EtherChannels, Rapid PVST+ roles, and spanning-tree protections to Cisco IOS evidence.

Review switching decisions

Apply the evidence

Use a quick review to correct one weak spot, then test the decision in a fresh session. The domain guides provide the surrounding design and configuration context, while the IOS command reference helps you choose the next useful command.