Fix Split-Horizon DNS

Scenario

Oakmont Veterinary has asked the network engineering team to support an active business service. The immediate requirement is to ensure that split-horizon dns - internal clients get the public answer. Successful completion will provide the intended service while protecting existing operations.

Learning objectives

• dns
• split-horizon

Topology and configuration

This environment contains 8 devices (2 Dnss, 4 Hosts, 2 Switchs). You configure and troubleshoot the networking skills listed above.

Curriculum topics

• Network Services in Depth / DNS in Operation

Environment

Subnetica labs run FRRouting and Linux networking with Cisco-like syntax, not Cisco IOS. Commands and behavior may differ from Cisco devices.

Addressing is regenerated on every attempt and the environment is graded automatically.