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
$399.97
Cisco Catalyst C9300-24UX-A 24 Port 10G/mGig UPOE Network Switch + NM-8X Module
$649.97
Cisco WS-C3850-48U-S 48 Port Gigabit UPoE Switch C3850-NM-4-1G 1100W
$79.99
32 Port 40GbE QSFP+ Cisco Nexus Enterprise Layer 3 VXLAN Switch Dual PSU
$149.00
Cisco WS-C3850-48P-L 48-Port Gigabit 3850 PoE Switch w/ 715W+ C3850-NM-4-1G Mod
$89.00
Cisco Catalyst WS-C2960-48TT-L V02 48 Port Fast Ethernet Switch
$34.00
Cisco Catalyst 3650 24 10/100/1000 Ethernet PoE+4x1G Uplink Port 640WAC LAN Base
$35.00
Genuine Cisco SFP-10G-SR V03 10GBASE-SR SFP+ Transceiver Module 10-2415-03
$8.00
Cisco Catalyst WS-C2960CX-8PC-L Cisco Catalyst 2960-CX 8 Port PoE
$125.00
LOT OF 20 Genuine Cisco SFP-10G-SR V03 10GBASE-SR SFP+ Transceiver Module
$89.00