4503-E交换机用GLC-T光转电模块不能使用，接口速率，双工模式不能调（没有SPED/DUPLEX命令)，但是在别的设备上测试模块没问题，能正常使用
查看接口信息
GigabitEthernet2/27 is down, line protocol is down (notconnect)
Hardware is Gigabit Ethernet Port, address is c471.fec0.a95a (bia c471.fec0.a95a)
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 1000Mb/s, link type is auto, media type is 1000BaseT
input flow-control is off, output flow-control is off
ARP type: ARPA, ARP Timeout 04:00:00
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts (0 multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 input packets with dribble condition detected
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 8 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
交换机信息
JYY-NEIWANG-4503#show module
Chassis Type : WS-C4503-E
Power consumed by backplane : 0 Watts
Mod Ports Card Type Model Serial No.
---+-----+--------------------------------------+------------------+-----------
1 6 Sup 6L-E 10GE (X2), 1000BaseX (SFP) WS-X45-SUP6L-E JAE15020JTV
2 48 1000BaseX SFP WS-X4448-GB-SFP JAE14520PGC
M MAC addresses Hw Fw Sw Status
--+--------------------------------+---+------------+----------------+---------
1 1cdf.0fc1.8740 to 1cdf.0fc1.8745 3.0 12.2(44r)SG5 12.2(54)SG Ok
2 c471.fec0.a940 to c471.fec0.a96f 1.3 Ok
