General Knoppix support for those who've read the FAQ at the Wiki
Netgear GS324-200NAS 24-Ports Gigabit Ethernet Unmanaged Network Switch -Black
$38.31
Dell X1026P E11W 24-Port 2x 1GB SFP PoE Smart Managed Gigabit Ethernet Switch
$49.99
Cisco Catalyst WS-C3750X-48PF-S 48-Port Gigabit Network Switch With 10G Module
$79.99
Extreme Networks Summit X460-24P-TAA 24-Port Gigabit PoE Network Switch TESTED
$56.99
NETGEAR GS305300PAS 5 Port Gigabit Ethernet Unmanaged Switch
$22.99
Cisco SG300-52-Port Gigabit Managed Rack Mountable Network Switch
$44.95
NETGEAR GS305Pv2 5-Port Gigabit Ethernet Unmanaged SOHO Switch W/PoE+
$19.99
Tenda SG108 8-Port Gigabit Ethernet Desktop Switch
$17.99
Cisco Catalyst (WSC3750X12SS) 12-Ports Gigabit Ethernet Switch
$120.00
TP-LINK TL-SG1024S 24 Port Ethernet Switch
$38.00