General Knoppix support for those who've read the FAQ at the Wiki
ARUBA J9772A 2530-48G PoE+ 48 PORT ETHERNET SWITCH W/ RACK EARS J9772-60301
$140.23
TRENDnet TEG-S17D 16-Port Gigabit Unmanaged Network Switch
$50.00
HP JG937A Flexnetwork 5130-48G PoE+ 48-Port Gigabit Network Switch
$56.99
YuanLey 18 Port Ethernet Switch,with 16 port 10/100Mpbs PoE,2 Gigabit Uplink
$40.00
NETGEAR GS305300PAS 5 Port Gigabit Ethernet Unmanaged Switch
$22.99
Cisco SG300-52-Port Gigabit Managed Rack Mountable Network Switch
$44.95
HP ProCurve 2530-48G 48 Port Gigabit Ethernet Network Switch J9775A TESTED
$36.99
Cisco SG300-10P 10x PoE RJ45 Gigabit Switch SRW2008P-K9 V03 + Power Adapter
$34.99
Cisco 2960X WS-C2960X-24PD-L 24 Port Gigabit Network Switch
$69.99
Dell PowerConnect 6224 Rackmount 24-Port Gigabit Managed Ethernet Network Switch
$42.50