General Knoppix support for those who've read the FAQ at the Wiki
Cisco Catalyst C9300-24UX-A 24 Port 10G/mGig UPOE Network Switch, no module
$299.97
Cisco Catalyst C9300-24UX-A 24 Port 10G/mGig UPOE Network Switch + NM-8X Module
$599.97
Cisco Catalyst C9300-24UX-A 24 UPOE Switch 90 Day Warranty
$395.00
Cisco Catalyst 3850 XS 10G SFP+ 24-Port Network Switch WS-C3850-24XS-E
$750.00
Genuine Cisco SFP-10G-SR V03 10GBASE-SR SFP+ Transceiver Module 10-2415-03
$8.00
Cisco WS-C3850-48P-L 48-Port Gigabit 3850 PoE Switch w/ 715W+ Lifetime Warranty
$85.00
Cisco C3850-NM-2-10G 2 Port Network Exp.Module for 3850
$32.90
Cisco C3850-NM-4-10G 4 Port Network Exp.Module for 3850
$124.99
Cisco Catalyst C9300-24UX-A 24 Port 10G/mGig Copper UPOE Network Switch
$375.00
Cisco WS-C3850-12X48U-S 48 Port Gigabit UPoE (12 mGig 1/2.5/5/10G) 1100WAC PSU
$219.00