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Use this tag for questions about discovering the IP addresses, mac-addresses, vlans, or the physical topology of a network.

3 votes
2 answers
2k views

Understanding how devices on a LAN/VLAN discover the existence of other local devices

Let's say you have a brand new 192.168.1.0/24 network that consists of a router, switch and two hosts (H1 and H2). H1 would like to communicate with H2, but since this is a brand new network and no …
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