Subnetting

How does this come into play in our networks? Why would we want to subnet our network? And what in the world does that mean? Well, it is basically taking a huge network, and dividing the network into smaller, more manageable segments or parts.

Keep in mind what we have learned about how devices act; hubs do not have broadcast domains. They are basically a multiport repeater, so the more hubs you connect to each other, the more you are just creating a huge collision domain, waiting for that crash to happen.

Switches are better than hubs, because they create private collision domains. This allows for full-duplex, whereas a hub is a shared collision domain and can only go half-duplex. Switches, by default, are only using VLAN 1, which ...

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