General Knoppix support for those who've read the FAQ at the Wiki
CISCO ISR4451-X/K9 4 Port GIGABIT SECURITY ROUTER Dual AC Power ISR4451-X
$224.99
NEWoriginal Cisco GLC-TE 100M RJ45 SFP Gigabit Ethernet Optical Transduce Module
$15.90
UNCLAIMED Cisco Meraki MS120-24P-HW - 24Ports Ethernet PoE Switch Same Day Ship
$255.00
Cisco CISCO1921/K9 1900 Series Integrated Services Gigabit Network Router
$74.99
Genuine Cisco ‎SFP-10G-SR Transceiver Module (10-2415-03)
$5.85
Cisco C3850-NM-2-10G 2 Port Network Exp.Module for 3850
$32.90
✅ CISCO ASR1001X-K9 6-PORT x 1 Gigabit SFP ROUTER, ASR1001-X DUAL-PWR-AC
$539.97
CISCO SFP-10G-LR SFP TRANSCEIVER MODULE GBIC 10G 10GB SFP - 1 Year Warranty
$39.99
CISCO WS-C3750G/3750X CAB-STACK-50CM 72-2632-01 STACKING CABLES / URUB-11
$10.95
Cisco FPR1010-NGFW-K9 FirePOWER Security Appliance **CISCO EXCESS**
$339.00