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Configuration Guide - Device Management

S1720, S2700, S5700, and S6720 V200R011C10

This document describes the principles and configurations of the Device Management features, and provides configuration examples of these features.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Displaying Optical Module Information

Displaying Optical Module Information

Context

When the optical module on an interface is faulty, you can run the display commands to view information about the optical module.

Related Information

Video

Identify a Huawei-Certified Optical Module

Procedure

  • Run the display transceiver [ interface interface-type interface-number | slot slot-id ] [ verbose ] command to view information about the optical module on a specified interface.
  • Run the display transceiver diagnosis interface [ interface-type interface-number ] command to view diagnostic information about a specified optical module.

    NOTE:

    This command can only display diagnostic information about enhanced optical modules.

FAQ

What Is the Impact of Using Non-Huawei-Certified Switch Optical Modules?

When certifying an optical module, Huawei comprehensively verifies the functions of the optical module to ensure the optical module quality. The functions include the installation and removal, transmit and receive power, signal transmission quality, basic information query, fault tolerance, compatibility, electro magnetic compatibility (EMC), and environmental performance.

Therefore, non-Huawei-certified switch optical modules are not recommended. When a non-Huawei-certified switch optical module is used, the following problems often occur:
  • The optical module cannot be installed in an optical interface because the optical module structure is nonstandard.

    The structure and size of some non-Huawei-certified switch optical modules do not comply with the MSA agreement. After such an optical module is installed in an optical interface, the neighbor interface cannot have an optical module installed because the non-Huawei-certified switch optical module has a nonstandard size.

  • The device data bus is abnormal because of the data bus defects of the non-Huawei-certified switch optical module.

    Some non-Huawei-certified switch optical modules has data bus design defects. When such an optical module is used on a device, the data bus of the device will become abnormal. As a result, data on the data bus cannot be read.

  • The edge connector of the optical module has a nonstandard size, damaging the electronic components of the interface.

    The edge connectors of some non-Huawei-certified switch optical modules have a nonstandard size, causing the interface to be short-circuited and damaging the electronic components of the interface.

  • Optical module temperature monitoring is not standardized, causing alarms to be incorrectly generated.

    The temperature monitoring systems of some non-Huawei-certified switch optical modules do not comply with industry specifications, and so a high temperature is obtained. As a result, the system incorrectly reports a temperature alarm.

  • The optical module register is set incorrectly. Consequently, parameters and diagnostic information cannot be read or read incorrectly.

    The A0 registers of some non-Huawei-certified switch optical modules are set incorrectly. As a result, parameters and diagnostic information cannot be read or read incorrectly by the data bus.

  • The optical module design does not comply with the EMC, its anti-electromagnetic interference capability is low, and the optical module brings electromagnetic interference to surrounding devices.

  • The working temperature range of the optical module does not meet requirements, causing the optical power to be reduced at a high temperature. Subsequently, services are interrupted.

How Can I Determine Whether an Optical Module Is a Huawei-Certified Optical Module?

  • A switch must use optical or copper modules that have been certified for use on Huawei switches. Non-certified optical or copper modules cannot ensure transmission reliability and may affect service stability. Huawei is not liable for any problem caused by the use of non-certified optical or copper modules and will not fix such problems.

  • The methods provided here are only for reference. To confirm whether optical modules you are using have been certified for use on Huawei switches, contact Huawei technical support.

10GE or Lower Speed Optical Modules

Huawei started certification on 10GE or lower speed optical modules for switch products on July 1, 2013.

To determine whether optical modules delivered for Huawei switches before July 1, 2013 are certified ones, contact Huawei technical support.

If your optical modules are delivered after July 1, 2013, use either of the following methods to determine whether they have been certified by Huawei.

Method 1: Check for "HUAWEI" on the label

If an optical module has been certified by Huawei, its label contains "HUAWEI", as shown in Figure 2-3.

Figure 2-3  "HUAWEI" on the label of a Huawei-certified switch optical module
Method 2: Run the display transceiver command

An optical module has received Huawei switch certification if it meets the following conditions:

  • In the display elabel command output, the Manufactured field displays a date later than 2013-07-01.

  • In the display version command output, the displayed version is V200R001C00 or later.

  • In the display transceiver command output, the Vendor Name field displays HUAWEI.

NOTE:

The SFP-FE-SX-MM1310 (part number: 02315233) is a Huawei-certified 100M optical module. However, the Vendor Name field displays the original manufacturer name, instead of HUAWEI.

For copper modules, the Vendor Name field also displays the original manufacturer name, instead of HUAWEI.

40GE and 100GE Optical Modules

Huawei started certification on 40GE and 100GE optical modules for switch products on January 1, 2016.

To determine whether optical modules delivered for Huawei switches before January 1, 2016 are certified ones, contact Huawei technical support.

If your optical modules are delivered after January 1, 2016, use either of the following methods to determine whether they have been certified by Huawei.

Method 1: Check for "HUAWEI" on the label

If an optical module has been certified by Huawei, its label contains "HUAWEI", as shown in Figure 2-3.

Method 2: Run the display transceiver command

A 40GE or 100GE optical module has received Huawei switch certification if it meets the following conditions:

  • In the display elabel command output, the Manufactured field displays a date later than 2016-01-01.

  • In the display version command output, the displayed version is V200R008 or later.

  • In the display transceiver command output, the Vendor Name field displays HUAWEI.

NOTE:

For the optical modules connected to high-speed cables or AOC cables, the Vendor Name field displays the original manufacturer name, instead of HUAWEI. For the methods of checking whether such an optical module has been certified by Huawei, contact technical support personnel.

What Can I Do If the Optical Power Is Low or High?

Fault Description

Optical power alarms occur when two optical interfaces connect to each other.

Optical Power Alarms
BASETRAP_1.3.6.1.4.1.2011.5.25.129.2.17.1 hwOpticalPowerAbnormal     //An alarm indicating abnormal transmit or receive power of an optical module.
BASETRAP/3/OPTPWRABNORMAL: OID [oid] Optical module power is abnormal. (EntityPhysicalIndex=[INTEGER], BaseTrapSeverity=[INTEGER],
 BaseTrapProbableCause=[INTEGER], BaseTrapEventType=[INTEGER], EntPhysicalContainedIn=[INTEGER], EntPhysicalName="[OCTET]", Relati
veResource="[OCTET]", ReasonDescription="[OCTET]")
ENTITYTRAP_1.3.6.1.4.1.2011.5.25.219.2.4.5 hwOpticalInvalid 136193   //An alarm indicating a high transmit power of an optical module.
ENTITYTRAP_1.3.6.1.4.1.2011.5.25.219.2.4.5 hwOpticalInvalid 136194   //An alarm indicating a low transmit power of an optical module.
ENTITYTRAP_1.3.6.1.4.1.2011.5.25.219.2.4.5 hwOpticalInvalid 136195   //An alarm indicating a high receive power of an optical module.
ENTITYTRAP_1.3.6.1.4.1.2011.5.25.219.2.4.5 hwOpticalInvalid 136196   //An alarm indicating a low receive power of an optical module.
ENTITYTRAP/3/OPTICALINVALID:OID [oid] Optical Module is invalid.(Index=[INTEGER], EntityPhysicalIndex=[INTEGER], PhysicalName=\"
[OCTET]\", EntityTrapFaultID=[INTEGER])
Possible Causes
  • The local and remote optical modules have different types and wavelengths.
  • The optical module is incorrectly installed or the optical fiber fails.
  • The fiber connected to the interface is too long or the fiber attenuation is high.
  • The remote transmit power is not within the allowed range.
  • The optical module fails.
Troubleshooting Procedure
NOTE:

Saving the results of each troubleshooting step is recommended. If your troubleshooting fails to correct the fault, you will have a record of your actions to provide technical support personnel.

  1. Check whether the local and remote optical modules have the same wavelength.

    Run the display transceiver [ interface interface-type interface-number | slot slot-id ] [ verbose ] command to check optical module information on the interface. The Wavelength(nm) field in the command output indicates the wavelength of an optical module. If the two optical modules have different wavelengths, replace one optical module to ensure that the two optical modules have the same wavelength.

    If the fault persists, go to step 2.

  2. Check the link connection.

    Remove and install the fiber and optical module to ensure that the fiber and optical module are properly connected. Check whether the fiber connector is damaged or dirty. If so, replace the fiber.

    If the fault persists, go to step 3.

  3. Check the fiber length.

    The fiber length must be shorter than the maximum transmission distance of an optical module. For the maximum transmission distance supported by different optical modules, see Optical Module in the hardware description. If the fiber length exceeds the maximum transmission distance of the optical modules, shorten the fiber length or use optical modules with a longer transmission distance.

    If the fault persists, go to step 4.

  4. Check the transmit optical power on the remote device.

    Ensure that the transmit optical power on the remote device exceeds the lower threshold.

    If the fault persists, go to step 5.

  5. Check whether the fiber type matches the optical module.

    Determine whether the fiber type matches the optical module type according to the following information:
    • A multimode fiber can be used together with multimode fiber.
    • A single-mode fiber can only be used with a single-mode optical module. A single-mode fiber is generally yellow, and a multimode fiber is generally orange.
    • Two connected optical modules must have the same wavelength.
    If the fault persists, go to step 6.
  6. Check the optical module type and vendor.

    Check whether the local and remote devices use optical modules of the same type but from different vendors. If the connected optical modules have the same wavelength and provide short-distance transmission but alarms indicating low or high optical power occur, the two optical modules may be from different vendors. Although these optical modules have the same wavelength, optical power alarms occur because different vendors design different optical power indicators for these optical modules. To rectify the fault, use optical modules of the same vendor.

    If the fault persists, go to step 7.

  7. Replace the parts.

    Using a short fiber loopback test. If the fault cannot be located, replace the optical module or fiber.

    If the fault persists, go to step 8.

  8. Collect the following information and contact technical support personnel:
    • Results of the preceding troubleshooting procedure
    • Configuration file, logs, and alarms of the device

How Can I View Optical Power Information?

NOTE:

The system may fail to obtain information about non-Huawei-certified switch optical modules or obtain incorrect information. You are advised to use Huawei-certified switch optical modules.

You can run the display transceiver interface interface-type interface-number verbose command to view power information of a specified optical module.

<HUAWEI> display transceiver interface gigabitethernet 0/0/1 verbose

GigabitEthernet0/0/1 transceiver information:
-------------------------------------------------------------
Common information:                                                             
  Transceiver Type               :1000_BASE_SX_SFP                              
  Connector Type                 :LC                                            
  Wavelength(nm)                 :850                                           
  Transfer Distance(m)           :0(9um),300(50um),150(62.5um)                  
  Digital Diagnostic Monitoring  :YES                                           
  Vendor Name                    :HUAWEI                              
  Vendor Part Number             :02318169 
  Ordering Name                  :                                              
-------------------------------------------------------------                   
Manufacture information:                                                        
  Manu. Serial Number            :CD25HP12M                                  
  Manufacturing Date             :2013-06-184                                    
  Vendor Name                    :HUAWEI      
-------------------------------------------------------------
Diagnostic information:
  Temperature(°C)               :26.00
  Temp High Threshold(°C)       :85.00
  Temp Low  Threshold(°C)       :-40.00
  Voltage(V)                    :3.29
  Volt High Threshold(V)        :3.64
  Volt Low  Threshold(V)        :2.95
  Bias Current(mA)              :4.57
  Bias High Threshold(mA)       :9.00
  Bias Low  Threshold(mA)       :2.00
  RX Power(dBM)                 :-40.00           //Indicate the current receive power of the optical module.
  RX Power High Threshold(dBM)  :0.00             //Indicate the receive power upper alarm threshold of the optical module.
  RX Power Low  Threshold(dBM)  :-16.99           //Indicate the receive power lower alarm threshold of the optical module.
  TX Power(dBM)                 :-5.03            //Indicate the current transmit power of the optical module.
  TX Power High Threshold(dBM)  :-2.22            //Indicate the transmit power upper alarm threshold of the optical module.
  TX Power Low  Threshold(dBM)  :-6.99            //Indicate the transmit power lower alarm threshold of the optical module.
-------------------------------------------------------------

When the current optical module power is between the upper and lower thresholds, the optical power is normal. When the current optical power exceeds the upper alarm threshold, a high optical power alarm is generated. When the current optical power falls below the lower alarm threshold, a low optical power alarm is generated.

How Can I View the Optical Module Wavelength?

NOTE:

The system may fail to obtain information about non-Huawei-certified switch optical modules or obtain incorrect information. You are advised to use Huawei-certified switch optical modules.

Two optical modules on the transmit and receive ends must have the same wavelength. You are advised to use the same type of optical modules on the transmit and receive ends.

You can run the display transceiver interface interface-type interface-number command to view wavelength of a specified optical module.

<HUAWEI> display transceiver interface gigabitethernet 0/0/1

GigabitEthernet0/0/1 transceiver information:
-------------------------------------------------------------
Common information:                                                             
  Transceiver Type               :1000_BASE_SX_SFP                              
  Connector Type                 :LC                                            
  Wavelength(nm)                 :850
  Transfer Distance(m)           :0(9um),300(50um),150(62.5um)                  
  Digital Diagnostic Monitoring  :YES                                           
  Vendor Name                    :HUAWEI                              
  Vendor Part Number             :02318169 
  Ordering Name                  :                                              
-------------------------------------------------------------                   
Manufacture information:                                                        
  Manu. Serial Number            :CD25HP12M                                  
  Manufacturing Date             :2013-06-184                                    
  Vendor Name                    :HUAWEI                              
-------------------------------------------------------------

How Can I View the Optical Module Transmission Distance?

NOTE:

The system may fail to obtain information about non-Huawei-certified switch optical modules or obtain incorrect information. You are advised to use Huawei-certified switch optical modules.

Optical signals sent from different types of sources can transmit over different distances due to negative effects of optical fibers, such as dispersion and attenuation. When connecting optical interfaces, select optical modules and fibers according to the longest signal transmission distance.

You can run the display transceiver interface interface-type interface-number command to view the transmission distance of a specified optical module.

<HUAWEI> display transceiver interface gigabitethernet 0/0/1

GigabitEthernet0/0/1 transceiver information:
-------------------------------------------------------------
Common information:                                                             
  Transceiver Type               :1000_BASE_SX_SFP                              
  Connector Type                 :LC                                            
  Wavelength(nm)                 :850                                           
  Transfer Distance(m)       :0(9um),300(50um),150(62.5um)                  
  Digital Diagnostic Monitoring  :YES                                           
  Vendor Name                    :HUAWEI                              
  Vendor Part Number             :02318169 
  Ordering Name                  :                                              
-------------------------------------------------------------                   
Manufacture information:                                                        
  Manu. Serial Number            :CD25HP12M                                  
  Manufacturing Date             :2013-06-184                                    
  Vendor Name                    :HUAWEI  
-------------------------------------------------------------

How Can I View the Temperature, Voltage, and Current of an Optical Module?

NOTE:

The system may fail to obtain information about non-Huawei-certified switch optical modules or obtain incorrect information. You are advised to use Huawei-certified switch optical modules.

You can run the display transceiver interface interface-type interface-number verbose command to view the temperature, voltage, and current of a specified optical module.

<HUAWEI> display transceiver interface gigabitethernet 0/0/1 verbose

GigabitEthernet0/0/1 transceiver information:
-------------------------------------------------------------
Common information:                                                                                                                 
  Transceiver Type               :GPS_SFP                                                                                           
  Connector Type                 :SMA Coaxial Connector                                                                             
  Wavelength(nm)                 :-                                                                                                 
  Transfer Distance(m)           :100(copper)                                                                                       
  Digital Diagnostic Monitoring  :NO                                                                                                
  Vendor Name                    :HUAWEI                                                                                            
  Vendor Part Number             :HUAWEI AE 905S A                                                                                  
  Ordering Name                  :                                                                                                  
-------------------------------------------------------------                   
Manufacture information:                                                                                                            
  Manu. Serial Number            :031TUX10HB000065                                                                                  
  Manufacturing Date             :2017-11-28                                                                                        
  Vendor Name                    :HUAWEI  
-------------------------------------------------------------
Diagnostic information:
  Temperature(°C)               :26.00     //Indicate the current temperature of the optical module.
  Temp High Threshold(°C)       :85.00     //Indicate the temperature upper alarm threshold of the optical module.
  Temp Low  Threshold(°C)       :-40.00    //Indicate the temperature lower alarm threshold of the optical module.
  Voltage(V)                    :3.29      //Indicate the current voltage of the optical module.
  Volt High Threshold(V)        :3.64      //Indicate the voltage upper alarm threshold of the optical module.
  Volt Low  Threshold(V)        :2.95      //Indicate the voltage lower alarm threshold of the optical module.
  Bias Current(mA)              :4.57      //Indicate the bias current of the optical module.
  Bias High Threshold(mA)       :9.00      //Indicate the bias current upper alarm threshold of the optical module.
  Bias Low  Threshold(mA)       :2.00      //Indicate the bias current lower alarm threshold of the optical module.
  RX Power(dBM)                 :-40.00
  RX Power High Threshold(dBM)  :0.00
  RX Power Low  Threshold(dBM)  :-16.99
  TX Power(dBM)                 :-5.03
  TX Power High Threshold(dBM)  :-2.22
  TX Power Low  Threshold(dBM)  :-6.99
------------------------------------------------------------- 

Why I Cannot Obtain Optical Module Information?

You may fail to obtain information about an optical module in the following situations:
  • Your optical module is not Huawei-certified switch optical module.
  • No optical module is installed.
  • The system does not support the query of the temperature, voltage, current, receive power, and transmit power of the optical module.
  • If the transmit or receive power is NA, the interface does not have any transmit or receive signal and the power is 0.
  • A hardware fault occurs on the optical module. You can replace the optical module for fault locating.

How Can I Determine Whether an Optical Module Is Single-Mode or Multi-Mode?

NOTE:

The system may fail to obtain information about non-Huawei-certified switch optical modules or obtain incorrect information. You are advised to use Huawei-certified switch optical modules.

You can run the display transceiver interface interface-type interface-number command to view information about a specified optical module. The displayed transmission distance contains fiber diameter information. In the following command output, 50 um and 62.5 um are fiber diameters, indicating multi-mode fibers. Fibers with a diameter of 9 um are single-mode fibers. You can determine whether an optical module is single-mode or multi-mode optical module based on the fiber diameter.

<HUAWEI> display transceiver interface gigabitethernet 0/0/1

GigabitEthernet0/0/1 transceiver information:
-------------------------------------------------------------
Common information:
  Transceiver Type               :1000_BASE_SX_SFP
  Connector Type                 :LC
  Wavelength(nm)                 :850
  Transfer Distance(m)       :300(50um),150(62.5um)
  Digital Diagnostic Monitoring  :YES
  Vendor Name                    :SumitomoElectric
  Vendor Part Number             :HFBR-5710L 
  Ordering Name                  :
-------------------------------------------------------------
Manufacture information:
  Manu. Serial Number            :88K056C10353
  Manufacturing Date             :2008-08-08
  Vendor Name                    :SumitomoElectric
-------------------------------------------------------------

What Are the MIB OIDs of Optical Module Information?

The following table describes the MIB OIDs of optical module information.

OID

Object Name

Syntax

Max Access

Description

Implemented Specifications

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.4

hwEntityOpticalVendorSn

OCTET STRING

Read-only

This object indicates the SN of an optical module.

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.5

hwEntityOpticalTemperature

Integer32

Read-only

This object indicates the temperature of the optical module (unit: °C).

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.6

hwEntityOpticalVoltage

Integer32

Read-only

This object indicates the voltage of the optical module (unit: mV).

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.7

hwEntityOpticalBiasCurrent

Integer32

Read-only

Bias current of the optical module (unit: uA).

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.8

hwEntityOpticalRxPower

Integer32

Read-only

This object indicates the input power of the optical module (unit: uW).

uW=(10(dBM/10))*1000

In the corresponding MIB file, This object unit is dBm.

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.9

hwEntityOpticalTxPower

Integer32

Read-only

This object indicates the transmit power of the optical module (unit: uW).

uW=(10(dBM/10))*1000

In the corresponding MIB file, This object unit is dBm.

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.13

hwEntityOpticalRxLowThreshold

Integer32

read-only

This object indicates the lower alarm threshold for the receive power of optical modules, in dBm.

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.14

hwEntityOpticalRxHighThreshold

Integer32

read-only

This object indicates the upper alarm threshold for the receive power of optical modules, in dBm.

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.15

hwEntityOpticalTxLowThreshold

Integer32

read-only

This object indicates the lower alarm threshold for the transmit power of optical modules, in dBm.

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.16

hwEntityOpticalTxHighThreshold

Integer32

read-only

This object indicates the upper alarm threshold for the transmit power of optical modules, in dBm.

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.18

hwEntityOpticalDirectionType

INTEGER

read-only

This object indicates the transmission mode of optical modules.
  • 1: notSupported
  • 2: twoFiberBidirection
  • 3: oneFiberBidirection
  • 4: twoFiberTwoPortBidirection

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.20

hwEntityOpticalRxLowWarnThreshold

Integer32

read-only

This object indicates the lower warning threshold for the receive power of optical modules, in dBm.

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.21

hwEntityOpticalRxHighWarnThreshold

Integer32

read-only

This object indicates the upper warning threshold for the receive power of optical modules, in dBm.

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.22

hwEntityOpticalTxLowWarnThreshold

Integer32

read-only

This object indicates the lower warning threshold for the transmit power of optical modules, in dBm.

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.23

hwEntityOpticalTxHighWarnThreshold

Integer32

read-only

This object indicates the higher warning threshold for the transmit power of optical modules, in dBm.

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.25

hwEntityOpticalVenderPn

OCTET STRING

Read-only

This object indicates the PN of an optical module.

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.31

hwEntityOpticalLaneBiasCurrent

OCTET STRING

Read-only

This object indicates the optical module bias current of multiple fibers (unit: mA).

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.32

hwEntityOpticalLaneRxPower

OCTET STRING

Read-only

This object indicates the optical module input power of multiple fibers (unit: dBm).

NOTE:

The value of this object is 100 times the actual receive power of an optical module. Therefore, actual value = (hwEntityOpticalLaneRxPower/100) (dBm)

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.33

hwEntityOpticalLaneTxPower

OCTET STRING

Read-only

This object indicates the optical module transmit power of multiple fibers (unit: dBm).

NOTE:

The value of this object is 100 times the actual transmit power of an optical module. Therefore, actual value = (hwEntityOpticalLaneTxPower/100) (dBm)

This object is implemented as defined in the corresponding MIB file.

1.3.6.1.4.1.2011.5.25.31.1.1.3.1.45

hwEntityOpticalTransferDistance

SnmpAdminString

read-only

This object indicates the transmission distance of optical modules.

This object is implemented as defined in the corresponding MIB file.

How Can I View the Optical Attenuation?

You need to view the current optical power in optical module information to determine whether the optical power is attenuated.

How Can I Determine Whether an Interface Has an Optical Module?

NOTE:

The system may fail to obtain information about non-Huawei-certified switch optical modules or obtain incorrect information. You are advised to use Huawei-certified switch optical modules.

Run the display transceiver command to view optical module information.
<HUAWEI> display transceiver                                                                                                        
                                                                                                                                    
XGigabitEthernet0/0/1 transceiver information:                                                                                      
-------------------------------------------------------------                                                                       
Common information:                                                             
  Transceiver Type               :1000_BASE_SX_SFP                              
  Connector Type                 :LC                                            
  Wavelength(nm)                 :850                                           
  Transfer Distance(m)           :0(9um),300(50um),150(62.5um)                  
  Digital Diagnostic Monitoring  :YES                                           
  Vendor Name                    :HUAWEI                              
  Vendor Part Number             :02318169 
  Ordering Name                  :                                              
-------------------------------------------------------------                   
Manufacture information:                                                        
  Manu. Serial Number            :CD25HP12M                                  
  Manufacturing Date             :2013-06-184                                    
  Vendor Name                    :HUAWEI                                                                                          
-------------------------------------------------------------                                                                       
Port XGigabitEthernet0/0/2 :Transceiver is absent.                                                                                  
                                                                                                                                    
Port XGigabitEthernet0/0/3 :Transceiver is absent.                                                                                  
                                                                                                                                    
                                                                                                                                    
XGigabitEthernet0/0/4 transceiver information:                                                                                      
-------------------------------------------------------------                                                                       
Common information:                                                             
  Transceiver Type               :1000_BASE_SX_SFP                              
  Connector Type                 :LC                                            
  Wavelength(nm)                 :850                                           
  Transfer Distance(m)           :0(9um),300(50um),150(62.5um)                  
  Digital Diagnostic Monitoring  :YES                                           
  Vendor Name                    :HUAWEI                              
  Vendor Part Number             :02318169 
  Ordering Name                  :                                              
-------------------------------------------------------------                   
Manufacture information:                                                        
  Manu. Serial Number            :CD25HP12M                                  
  Manufacturing Date             :2013-06-184                                    
  Vendor Name                    :HUAWEI                                                                                            
-------------------------------------------------------------     
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Updated: 2019-03-28

Document ID: EDOC1000178167

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