2 hands-on LAN scenarios you build in your own Cisco Modeling Labs instance and grade against the answer key. LAN configuration and troubleshooting practice for CCNA and CCNP.
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Implement HSRP with interface tracking so the virtual gateway fails over when the active router loses its upstream link. Two routers (R1, R2) share a user LAN via SW with a single virtual default gateway for the PC, and both uplink to a separate CORE switch. The learner adds HSRP group 1 with a virtual IP, priority/preempt on R1, and tracks R1's uplink to drive deterministic failover.
Configure an IOS router as a DHCP server and have another IOS router obtain its uplink address dynamically via DHCP on a shared LAN. Validate the lease from both the client and server perspectives and test reachability from attached hosts.
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