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Upgrading a Home Network to a Small Business System Using pfSense

Sep 23, 2009, 14:36 (0 Talkback[s])
(Other stories by Matt Williamson)

[ Thanks to sanjay for this link. ]

"The diagram above is very typical of home networks. Study the diagram carefully and note the following key points of interest:

1. The wireless router can connect clients wirelessly using its built-in WAP.
2. The wireless router can connect wired clients using its built-in 4-port switch.
3. While not noticeable in the diagram, those wired clients could be connected via crossover cable (as long as the client's NIC's also support "autosensing").
4. And again, while not noticeable, the wireless router is likely configured as a DHCP server and will automatically hand out (and keep track of) IP addresses for each client that connects to it.

"Unfortunately, this diagram fails to illustrate the importance of subnets. Also referred to as interfaces, subnets are the keystones of understanding how to take your network to the next level:"

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