огромное спасибо!!!
теперь вот так
3750#sh interfaces gigabitEthernet 1/1/1
GigabitEthernet1/0/2 is down, line protocol is down (notconnect)
Hardware is Gigabit Ethernet, address is 0019.30dd.7a82 (bia 0019.30dd.7a82)
MTU 9000 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive not set
Auto-duplex, Auto-speed, link type is auto, media type is CWDM-1550 SFP
3750#sh inventory raw
NAME: "GigabitEthernet1/1/1 Container", DESCR: "GigabitEthernet Container"
PID: , VID: , SN:
NAME: "GigabitEthernet1/1/1", DESCR: "CWDM-1550 SFP"
PID: , VID: , SN: PR08050467