HW Model: C3750-48TS-E
SW Ver: 12.2 (55) SE6
I confirmed that interface didn't have 'shutdown' word.
After I connected Gigabit Ethernet port via GBIC between C3750-48TS-E(G 3/0/1) and 10k(G 1/0/4), the light on C3750 didn't come up.
The interface st...