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Design the network for a small office and build it in a free simulator (Cisco Packet Tracer or GNS3). Requirements: (1) create an IP ADDRESSING plan — pick a private range and SUBNET it into at least two subnets (e.g. one per department), documenting the network address, usable host range, and subnet mask (CIDR) for each; (2) build the topology in the simulator with a router and switch(es), assign the addresses, and set each host's DEFAULT GATEWAY; (3) verify end-to-end connectivity WITHIN a subnet and confirm hosts reach the gateway; (4) use ping and traceroute to demonstrate reachability and explain what each proves. Document the addressing plan and include screenshots or config output showing successful pings.
A correct subnetting plan: at least two subnets with documented network address, host range, and mask (CIDR); no overlaps.
A simulated router+switch topology with correct IPs and default gateways; hosts communicate as designed.
ping/traceroute used to prove reachability, with a correct explanation of what each tool demonstrates.
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# Design and subnet a small office network ## Goal Design the network for a small office and build it in a free simulator (Cisco Packet Tracer or GNS3). Requirements: (1) create an IP ADDRESSING plan — pick a private range and SUBNET it into at least two subnets (e.g. one per department), documenting the network address, usable host range, and subnet mask (CIDR) for each; (2) build the topology in the simulator with a router and switch(es), assign the addresses, and set each host's DEFAULT GATEWAY; (3) verify end-to-end connectivity WITHIN a subnet and confirm hosts reach the gateway; (4) use ping and traceroute to demonstrate reachability and explain what each proves. Document the addressing plan and include screenshots or config output showing successful pings. ## Acceptance criteria - [ ] Addressing plan: A correct subnetting plan: at least two subnets with documented network address, host range, and mask (CIDR); no overlaps. - [ ] Working topology: A simulated router+switch topology with correct IPs and default gateways; hosts communicate as designed. - [ ] Verification: ping/traceroute used to prove reachability, with a correct explanation of what each tool demonstrates. ## Verification - [ ] Document installation and run commands. - [ ] Record automated checks and their exact commands. - [ ] Add representative output, screenshots, or a short demo where useful. - [ ] Confirm failure paths and known constraints. ## Decision log ### Decision title - Context: - Choice: - Alternatives considered: - Tradeoffs: ## Evidence - Link each rubric criterion to the file, test, or artifact that demonstrates it. ## Known limitations - List what is intentionally out of scope and what should be improved next.