3560-48PS (MechEng_PGrad_(A) switch is connected to the below switches using interfaces 0/46-49. All links are dot1q trunk links.
Basically from the output 'show cdp ne' on this switch, this displays switches which are not neighbors on this switch.
All "learned" links are ISL trunk links on the 6509 switch!
G0/46 - xxxx-router WS-C6509
G0/47 - MechEng_PGrad_(B) WS-C3560G
G0/48 - MechEng_PGrad_(C) WS-C3560G
G0/49 - MechEng_PGrad_(B) WS-C3560G