Output from switch on the 2 ports...
Cisco3750#show interface Gi1/0/13
GigabitEthernet1/0/13 is up, line protocol is up (connected)
Hardware is Gigabit Ethernet, address is 001f.6c8a.938d (bia 001f.6c8a.938d)
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload...