Am 07.07.2015 um 13:49 schrieb Steven Tardy: > http://www.dlink.com/-/media/Business_Products/DGS/DGS%201210%2048/Manual/DGS_1210_Series_Manual_v4_00_EN.pdf > > What are the current settings on the switch for: > Loopback Detection page 35 > STP Global Settings page 38 > STP Port Settings page 39 > > Under STP Global the "forward delay" defaults to 15 seconds... The same delay you're seeing. > Loopback Detection Settings = Disabled STP Global Settings = Disabled STP Port Settings = ... it seams to be disabled, I can't edit any of the fields, but "State" is "Enabled" ...