PlantUML DiagramLab 5 Topology — Dual-Stack Static Routing
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R1(config)# ip route 10.10.99.0 255.255.255.0 10.10.20.2R1(config)# ip route 0.0.0.0 0.0.0.0 10.10.20.2R1(config)# ipv6 unicast-routingR1(config)# ipv6 route 2001:db8:99::/64 2001:db8:20::2R1(config)# ipv6 route ::/0 2001:db8:20::2
Lab 5 builds a three-router topology with IPv4 and IPv6 dual-stack addressing. Static routing connects the LANs and provides a default route toward a simulated internet. This is the foundation for understanding dynamic routing — you need to know what static does before you appreciate what dynamic replaces.
Build the three-router topology. Configure IPv4 and IPv6 addressing. Add static routes for remote LANs. Verify with `show ip route` and `show ipv6 route`. Test end-to-end with ping (both IPv4 and IPv6). Then remove the static route on R1 and verify connectivity breaks — reinstating it after.
Try adding a floating static route as a backup. Configure a second path with AD 250 pointing through a different interface. Verify the primary route is preferred. Then shut the primary interface and confirm the floating static takes over. This is the classic redundancy pattern.
Finish the lesson once you have worked through the material. This awards ★ 20 XP.