Has anyone seen this problem ? Any time my 2940 switches are reloaded, the gigabit SFP will not come back up, unless I do a shut, and no shut on the other end (4503). I do not see this on my 3750 switches. It only occurs on 4503 or 4506 switches. Both ends say they are connected, but pass no traffic until I bounce the 4500 side. I have tried various modes of port operation (nonnegotiate, trunk, dyn des, dyn, auto). Nothing seems to fix the problem. 4500 switches are running 12.2(25) SG and 12.2(31) SG.