General Knoppix support for those who've read the FAQ at the Wiki
Dell X1018 X-Series Smart Managed Switches 16-Port Gigabit 2-Port SFP Switch
$45.00
Cisco Catalyst WS-C3650-48PD-L 48-Port PoE Managed Network Switch TESTED
$43.95
*NEW* Dell EMC X1018 16 Port Gigabit Switch
$59.99
Tenda 8-Port Gigabit Desktop Switch SG108 NEW
$15.00
Davuaz 2.5G Unmanaged Ethernet Switch with 8 x 2.5G Base-T Ports and 1 x 10G SFP
$32.00
NETGEAR GS308PP-100NAS 8-Port Gigabit Ethernet Switch Black Working
$30.00
NETGEAR 5-Port Gigabit Ethernet Plus Switch (GS305E)
$20.99
Cisco Catalyst WS-C3560CG-8PC-S 8x Gigabit PoE+ RJ45 Ethernet Switch
$64.99
TP-Link TL-SG5452 Managed Gigabit Switch; 48-Port + 4 SFP Ports L3; 1000Mbps
$500.00
HPE ARUBA 2530-24G J9773A PoE+ 24-PORT GIGABIT ETHERNET SWITCH J9773-60201
$81.21