Board Maintenance involves resetting a board and clearing the maximum CPU usage.
9.1 Introduction of Device Maintenance
Device maintenance involves replacing boards and monitoring the internal environment.
9.1.1 Overview of Device Maintenance
Device maintenance involves replacing boards and monitoring the internal environment.
Concept
The stable running of a ATN equipmentdepends on the mature network planning and the routine maintenance. In addition, fast location of the hidden hazards is necessary.
The maintenance personnel must check the alarm information in time and deal with the fault properly to keep the device in normal operation and reduce the failure rate. Thus, the system runs in a safe, stable, and reliable environment.
Maintenance Operation
Maintenance such as board replacement and internal environment check ensures the normal operation of the ATN equipment.
9.1.2 Maintenance Features Supported by the ATN 910
The ATN 910 allows the operation status to be monitored.
Monitoring
In routine maintenance of the device, you can run the display commands to view the working status of the ATN equipment. This can help the maintenance personnel fast locate the fault during the troubleshooting procedure.
9.2 Monitoring the Device Status
Monitoring the device status facilitates fault location and cause analysis.
9.2.1 Displaying the System Version Information
The system version information includes the system software version and various hardware versions.
Procedure
Step 1 Run:
display version
The system version information is displayed.
In practice, using this command in any view, you can view the system version information. The main information is as follows:
l System software version
l Hardware and software version of the MPUs l Hardware and software version
.
l Hardware and software version of the Fan .
----End
9.2.2 Displaying Basic Information About the Router
The basic information includes detailed information about the system-control board, physical interface card, clock board, power supply, and fan module.
Procedure
Step 1 Run:
display device [ pic-status | slot-id]
Basic information about the ATN equipment is displayed.
In practice, using this command in any view, you can view the basic device information. Enter slot-id to view information about the board in the specified slot.
l Choose a board in a certain slot. You can view basic information about this board.
l Run:
display device pic-status
Basic information about the PIC card is displayed.
----End
9.2.3 Displaying the Electronic Label
The electronic label information includes the type of the board/card, bar code, BOM code, English description, production date, supplier name, issuing number, Common Language Equipment Identification (CLEI) code, and sales BOM code.
Procedure
l Run:
display elabel [ backplane | slot-id ]
The electronic label is displayed.
In practice, using this command in the user view, you can view information about the electronic label of the boards. Enter slot-id to view information about the electronic label of the board in the specified slot.
NOTE
For the range of numbers of the slots on the ATN equipment, refer to the ATN 910Multi-service Access Equipment Hardware Description.
Information displayed includes the type of the board and PIC card, bar code, BOM, English description, production date, supplier name, issuing number, CLEI (Common Language Equipment Identification) code, and sales BOM.
NOTE
You can back up the electronic label of the specified board in the following methods:
l Run the backup elabel filename [ backplane | slot-id ] command to back up the electronic label to the CF card on the ATN equipment.
l Run the backup elabel ftp host filename username password [ backplane | slot-id ] command to back up the electronic label to the specified FTP server.
----End
9.2.4 Displaying the Threshold of the Memory Usage
By specifying the slot ID, you can check the memory usage of the system control board.
Procedure
Step 1 Run:
display memory-usage
The threshold of the memory usage of the main system control board is displayed.
NOTE
To set the threshold of the memory usage in the main system control board , you can run the set memory-usage threshold thresholdcommand.
----End
9.2.5 Displaying the Threshold of CPU Usage
By specifying the slot ID, you can check the CPU usage of the MPU.
Procedure
Step 1 Run:
display cpu-usage [ task-name ] [ congfiguration ] NOTE
To set the threshold of the CPU usage on the main MPU, you can run the set cpu-usage threshold threshold-value command, and run thedisplay cpu-usage configuration command can display the current configuration of the CPU usage.
----End
9.2.6 Displaying Alarm Information
The alarm information includes the alarm level, alarm date and time, and alarm description.
Procedure
Step 1 Run:
display alarm { slot-id | all }
Information about the alarm is displayed.
In the operation, using this command in any view, you can view current information about the alarm of the ATN equipment. Alarm information includes the following:
l Alarm level
l Alarm date and time l Alarm description
NOTE
After displaying the alarm of the ATN equipment, you can run the clear alarm index index-id { send-trap | no-send-trap } command to clear the alarm at the specified index-id.
----End
9.2.7 Displaying the Board Temperature
The temperature information includes the temperature status of each board, temperature alarm thresholds of a board, and actual temperature of a board.
Procedure
Step 1 Run:
display temperature slot slot-id
The temperature of the specified board is displayed.
In practice, using this command in any view, you can view the current temperature of the ATN equipment.The temperature information includes the following:
l Current temperature status of the board
l Threshold to the alarm temperature of the board l Actual temperature of the board
----End
9.2.8 Displaying the Board Voltage
The voltage information includes the number of voltage sensors on each board, working voltage sensor of each board, working status of the voltage sensor on each board, and voltage alarm thresholds of each board.
Procedure
Step 1 Run:
display voltage slot slot-id
The board voltage is displayed.
In practice, using this command in any view, you can view the voltage of all the boards. The voltage information includes the following:
l Number of the voltage sensors l Working voltage sensors
l Working status of the voltage sensors l Alarm field value of the voltage
l Actual board voltage ----End
9.2.9 Displaying the Power Supply Status
The power supply information includes the slot ID of the power supply module, whether the power supply module is registered, working mode of the power supply module, and cable status of the power supply module.
Procedure
Step 1 Run:
display power
The power supply status is displayed.
In practice, using this command in any view, you can view the power supply status. The displayed information includes the following:
l Slot number of the power supply module l Presence status of the power supply module l Operation mode of the power supply module l Cable status of the power supply module ----End
9.2.10 Displaying the Sequence Number of the MPU
Each MPU has a globally unique equipment serial number (ESN).
Procedure
Step 1 Run:
display esn
The sequence number of the MPU is displayed. In the operation, using this command in any view, you can view the sequence number of the MPU on the ATN equipment.
----End
9.3 Board Maintence
Board Maintenance involves resetting a board and clearing the maximum CPU usage.
9.3.1 Resetting a Board
You need to back up important data before resetting a board.
Context
In the case that a board is faulty, you can use the reset slot command to reset the board.
WARNING
Back up important data before resetting the board.
Do as follows on the ATN equipment:
Procedure
Step 1 Run:
reset slot slot-id
The board is reset.
NOTE
l If this command is run to reset a master MPU and no slave MPU exists, the master MPU is reset with the CPU being powered on. If a slave MPU exists, this command performs master/slave MPU switchover.
l If the board is still abnormal after being reset, contact the Huawei technical support personnel.
----End
10 Patch Management
About This Chapter
Patch management includes checking the running patch, loading patch files, and installing patches.
10.1 Introduction of Patch Management