I'm running several computer labs, but all computers and printers are on the same subnet. The problem is, computers in Lab A (for example) can "see" computers in Lab B (especially true in Mac).
And I'm wondering if there is any way to separate them by further dividing the subnet via changing subnet mas (right now, it's 255.255.255.0). Each lab has a series of consecutive IP addresses. For example,
Lab A uses from xxx.xxx.123.10 to xxx.xxx.123.35, and
Lab B uses from xxx.xxx.123.36 to xxx.xxx.123.60, etc.
Any help will be appreciated! ~elpmet