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How many channels will be required to connect 8 computers for networking?

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Quick clarification for : "channels" can mean different things. As asked, do you mean physical cables, logical links (VLANs/subnets), wireless frequency channels, or direct point-to-point links? 's ASP.NET comment looks unrelated to this networking question.

If "channels" means physical links, the count depends on topology:

  • Star (switch or hub): one cable per PC to the central device = 8 cables; add one uplink cable to a router if you need Internet. See network topology.
  • Bus: a single shared segment = 1 channel.
  • Ring: each node connects to two neighbors = 8 links.
  • Full mesh (every pair directly connected): number of links = n(n-1)/2 → for 8 PCs that is 28 links (see complete graph).

If "channels" means IP addressing/subnets, note that an IPv4 /29 gives 8 addresses but only 6 usable hosts, so the smallest common subnet that fits 8 hosts is /28 (16 addresses, 14 usable). See Classless Inter-Domain Routing.

If "channels" means Wi‑Fi frequency channels, client devices can share one AP channel; 2.4 GHz has three non-overlapping channels (1, 6, 11) to avoid interference — see .

Recommended practical setup for 8 desktops: an unmanaged 8-port switch and 8 patch cables, plus one uplink to your router if needed.

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Member Avatar for JorgeM

Channels? what exactly are you referring to?

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