网络光模块基础知识学习，带小白基础知识讲解

场景：有时资产盘点经常需要远程查看光模块的型号，或者光纤出现问题，经常需要远程查看光模块相关状态，现总结如下大厂--华为、华三、思科、锐捷的命令分享给大家备用：

1) 华为

[huawei] display interface 100GE 1/0/0 transceiver verbose

[huawei] display interface 100GE 1/0/0 transceiver verbose
100GE1/0/0 transceiver information:
-------------------------------------------------------------------
Common information:
Transceiver Type :100GBASE_CWDM4
Connector Type :LC
Wavelength (nm) :1301
Transfer Distance (m) :2000(9um/125um SMF)
Digital Diagnostic Monitoring :YES
Vendor Name :XXX
Vendor Part Number :XXXX
Ordering Name :
-------------------------------------------------------------------
Manufacture information:
Manu. Serial Number :XXXXX
Manufacturing Date :2017-11-2+08:00
Vendor Name :FINISAR CORP.
-------------------------------------------------------------------
Alarm information:
Non-Huawei-Ethernet-Switch-Certified Transceiver
-------------------------------------------------------------------
Diagnostic information:
Temperature (Celsius) :38.64
Voltage (V) :3.25
Bias Current (mA) :40.23|36.02 (Lane0|Lane1)
36.68|36.97 (Lane2|Lane3)
Bias High Threshold (mA) :55.00
Bias Low Threshold (mA) :25.00
Current RX Power (dBm) :-1.05|-1.02 (Lane0|Lane1)
0.14|0.01 (Lane2|Lane3)
Default RX Power High Threshold (dBm) :3.50
Default RX Power Low Threshold (dBm) :-16.00
Current TX Power (dBm) :0.72|-0.14 (Lane0|Lane1)
-0.48|0.55 (Lane2|Lane3)
Default TX Power High Threshold (dBm) :5.50
Default TX Power Low Threshold (dBm) :-8.00

2）华三设备接口光模块信息：

# 查看接口光模块信息
[H3C]display transceiver interface HundredGigE 6/0/1
HundredGigE6/0/1 transceiver information:
Transceiver Type : 100G_CWDM4_FEC_QSFP28
Connector Type : LC
Wavelength(nm) : 1301
Transfer Distance(km) : 2(SMF)
Digital Diagnostic Monitoring : YES
Vendor Name : XXXX

#查看接口光模块诊断信息
[H3C]display transceiver diagnosis interface HundredGigE 6/0/1
HundredGigE6/0/1 transceiver diagnostic information:
Current diagnostic parameters:
[module] Temp.(oltage(V)
31 3.31
[channel] Bias(mA) RX power(dBm) TX power(dBm)
1 39.71 -0.91 -0.72
2 36.20 -0.97 -0.39
3 36.22 -0.49 0.65
4 36.45 -0.74 0.02
Alarm thresholds:
Temp.(oltage(V) Bias(mA) RX power(dBm) TX power(dBm)
High 75 3.63 55.00 3.50 5.50
Low -5 2.97 25.00 -16.00 -8.00

3）锐捷设备接口光模块信息：

Ruijie# show interface hundredGigabitEthernet 0/49 transceiver
Transceiver Type : 100GBASE-SR4-QSFP28
Connector Type : MPO
Wavelength(nm) : 850
Wavelength tolerance(nm): (+/-)10
Transfer Distance :
50/125 um OM3 fiber
-- 70m
50/125 um OM4 fiber
-- 100m
Digital Diagnostic Monitoring : YES
Vendor Serial Number : XXXX
Current diagnostic parameters[C1:Channel-1 C2:Channel-2 C3:Channel-3 C4:Channel-4 AP:Average Power]:
Temp(Celsius) Voltage(V) Bias(mA) RX power(dBm) TX power(dBm)
47(OK) 3.34(OK) 7.70(OK)[C1] -0.42(OK)[C1/AP] -1.90(OK)[C1]
7.70(OK)[C2] -0.19(OK)[C2/AP] -1.80(OK)[C2]
7.70(OK)[C3] -0.18(OK)[C3/AP] -1.90(OK)[C3]
7.70(OK)[C4] -0.08(OK)[C4/AP] -2.46(OK)[C4]
Transceiver current alarm information:
None

4） 思科设备接口光模块信息：

Cisco# show int ethernet 1/50 transceiver details
Ethernet1/50
transceiver is present
type is QSFP-100G-SR4
name is XXXX
part number is XXX
revision is 1A
serial number is XXXX
nominal bitrate is 25500 MBit/sec per channel
Link length supported for 50/125um OM3 fiber is 70 m
cisco id is 17
cisco extended id number is 204
Lane Number:1 Network Lane
SFP Detail Diagnostics Information (internal calibration)
----------------------------------------------------------------------------
Current Alarms Warnings
Measurement High Low High Low
----------------------------------------------------------------------------
Temperature 45.25 C 75.00 C -5.00 C 73.00 C -3.00 C
Voltage 3.24 V 3.63 V 2.97 V 3.46 V 3.13 V
Current 7.38 mA 14.99 mA 3.00 mA 12.99 mA 4.49 mA
Tx Power -0.31 dBm 3.39 dBm -10.40 dBm 2.39 dBm -8.41 dBm
Rx Power -0.06 dBm 3.39 dBm -12.36 dBm 2.39 dBm -10.31 dBm
Transmit Fault Count = 0
----------------------------------------------------------------------------
Note: ++ high-alarm; + high-warning; -- low-alarm; - low-warning