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Baylor University doesn't want its students using peer-to-peer networks. A BlueCoat PacketShaper locks down bandwidth to students, and all inbound ports are blocked by the campus firewall to keep "computers from acting as servers or super nodes in peer to peer networks."

Illinois State uses a packet shaping device called the Packeteer; it singles out P2P traffic and clamps down hard on its available bandwidth to ensure it can't disrupt other, likely more productive uses of the campus network. In addition, the school's intrusion prevention system tries to block P2P traffic in both directions at the campus border, though only if it comes from residence and wireless hotspots—faculty and staff are trusted to use P2P applications responsibly.

Reed College in Oregon shapes bandwidth using a NetEqualizer device, though it doesn't single out P2P traffic. Instead, the system keeps on eye on overall user bandwidth use. Anyone using "excessive bandwidth" gets a friendly call to "ensure that the bandwidth consumption is for legal purposes and that the user is aware of the College's policies concerning illegal file sharing."

ARS Technica has the details HERE!