Italy joined 10 months ago
4 questions
11 comments
Telecom integrator from Turin. Mostly ISP backbone.
A TP-Link T1700G-28TQ (V3, firmware 3.0.0) with a TL-SM311LM module was linked to a Netgear ProSafe GS716T with a SkyLane SFP85P55GE0B989 module. The TP-Link port showed 1000M with a flashing LED while the Netgear port stayed down, and throughput was about 1 Mbps; with a media converter the link…
A UDM Pro (port 11 set to 1G) and a US-16-150W (port 17) connected by a 1 m Ubiquiti DAC (UDC-1) did not talk: the switch showed a link light, the UDM Pro showed nothing. Setting both sides to 1G and rebooting both devices did not help; reversing the cable and removing the parallel copper uplink…
On a CRS226-24G-S2+RM (RouterOS 6.42.11 long-term) the SFP+ port stayed at no link, not running, slave after a power loss, while software reboots were fine; disabling and re-enabling the interface fixed it manually. The problematic module was a Huawei MA5671A GPON SFP, other SFPs behaved, and the…
A DGX Spark with a ConnectX-7 NIC was connected to an existing 10G SFP+ optical network through an inexpensive QSFP-to-SFP+ adapter bought on AliExpress; neither DACs nor standard optical modules produced any link. The poster asked whether the setup could work at all and how to configure it…