Here is "show int fa1"
FW#sh int fa1
FastEthernet1 is up, line protocol is up
Hardware is Fast Ethernet, address is 0024.14db.0e65 (bia 0024.14db.0e65)
MTU 1500 bytes, BW 100000 Kbit/sec, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not...