MikroTik CRS312-4C+8XG-RM: Combo SFP+/RJ-45 ports not detecting SFP+ on modern RouterOS versions

· Neel Chauhan · Oct. 24, 2026, 4:54 p.m.
Summary
A developer shares their experience repurchasing a MikroTik CRS312-4C+8XG-RM switch and the challenges faced with modern RouterOS versions, particularly with SFP+/RJ-45 ports not detecting SFP+ connections. The post highlights practical issues encountered while setting up networking for multiple devices in a home environment.
AUTHOR