17.11.2017 15:12, Mike Black пишет: > VPD ident = 'DGD-530T Ghgabht Ethernet @dapte' So here we are (off by minus one errors): --- D (44h) should be G (45h); h (68h) -> i (69h); @ (40h) -> A (41h). --- And deltas in bytes between errors: 8, 4, 12. Yep, looks like a hardware/power problem. Can you try to change a power supply? -- WBR, bsam