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
HPE ARUBA 2530-24G J9773A PoE+ 24-PORT GIGABIT ETHERNET SWITCH J9773-60201
$93.24
Cisco Catalyst C9300-24UX-A 24 Port 10G/mGig UPOE Network Switch + NM-8X Module
$579.97
Dell PowerConnect 6224 Rackmount 24-Port Gigabit Managed Ethernet Network Switch
$42.50
Cisco SG300-52-Port Gigabit Managed Rack Mountable Network Switch
$44.95
NETGEAR GS108 ProSafe 8-Port GbE Unmanaged Switch w/ Power Adapter
$14.99
TP-Link TL-SG108 8-Port 10/100/1000 Mbps Gigabit Ethernet Desktop Switch FREE SH
$14.99
HP JG937A Flexnetwork 5130-48G PoE+ 48-Port Gigabit Network Switch
$56.99
Cisco WS-C3750X-48PF-S 48 Port PoE Gigabit Switch w/ C3KX-NM-10G & Dual 1100WAC
$121.88
HP ProCurve 2810-24G 24-Port Gigabit Ethernet Network Managed Switch J9021A
$39.99