Hi to all and welcome to this post which os the third part of a series of four, forming the whole theme GPON OLT BASIC OPERATIONS
GPON OLT BASIC OPERATIONS
Basic System Operations
Basic System Configuration
Querying and Setting Basic System Information
· Query the software version of the system host
· Query the software version of the control board
· display version 0/9
§ 0/9: indicates the subrack ID and slot ID. When you need to query the version of the board in a specified slot, use this parameter.
· Parameter description
§ Version: version information
§ PRODUCT: product name
§ Uptime: running time
· Query the software version of a service board
· The Network Time Protocol (NTP) is an application layer protocol in the TCP/IP protocol. It is used for clock synchronization between a distributed time server and client. Network devices that support the NTP can exchange NTP packets to synchronize clocks between them. In this manner, various service applications (such as the network management system and network charging system) are implemented based on a unified time.
· NTP supports 4 working modes: client/server mode, peer mode, broadcast mode, and multicast mode.
§ A client and server must have L3 interfaces and IP addresses that can communicate with each other.
ü In client/server mode, you only need to configure the NTP client. On the NTP server, only the NTP master clock needs to be configured.
ü In client/server mode, time can be synchronized only from the NTP server to an NTP client, not otherwise.
§ The clock stratum of the synchronizing device must be smaller than that of the synchronized device. Otherwise, the clock synchronization cannot be performed.
§ A device that runs NTP can receive synchronization from other clock sources or synchronize time to other devices. Devices can synchronize time with each other. When a device works in client mode, you do not need to set the system time, and the device automatically synchronizes the system time from a remote server.
Subrack Operations
· Command functions
§ The frame set command is used to set the description of a subrack. When you need to identify a subrack by the subrack description, run this command. After the setting is successful, you can query the subrack number by the subrack description, and then perform other operations on devices based on the subrack number.
§ The undo frame desc command is used to delete existing subrack descriptions from the system. When you need to clear the description of a subrack, run this command.
· User guide
§ After the description of a subrack is set successfully, if you run the frame set command to reset the description of the subrack, the description of the subrack is modified.
§ After the description of a subrack is set successfully, if you run the undo frame desc command, the description is cleared.
§ If the subrack description contains spaces, use "" to enclose the characters
Basic Hardware Operations
Board Running Status
Subrack Operations
· Command functions
§ This command is used to query the information about all boards in a subrack or board in a specified slot. When you need to query the slot number, name, status, daughter board information, port information, or online status of a board after performing an operation on the board, run this command.
· User guide
§ If you specify only the subrack number, the system queries the information about all boards in the entire subrack. The following information can be queried: slot number, board name, board status, daughter board name, and online status of the board
§ If you specify the subrack ID and slot ID, the system queries the detailed information about the board with the specified subrack ID and slot ID. The following information can be queried: board name, board status, and port information of the board
§ When querying the activation information about service boards and ports, you can query the total number of activated and inactive ports
Querying a Specified Board
· Command functions
§ This command is used to query the information about all boards in a subrack or board in a specified slot. When you need to query the slot number, name, status, daughter board information, port information, or online status of a board after performing an operation on the board, run this command.
· User guide
§ If you specify only the subrack number, the system queries the information about all boards in the entire subrack. The following information can be queried: slot number, board name, board status, daughter board name, and online status of the board
§ If you specify the subrack ID and slot ID, the system queries the detailed information about the board with the specified subrack ID and slot ID. The following information can be queried: board name, board status, and port information of the board
§ When querying the activation information about service boards and ports, you can query the total number of activated and inactive ports
Adding and Conforming Boards
· You can add a board in either of the following ways:
§ Add a board offline. That is, run the board add command to add a board in an empty slot. The system reports an alarm indicating that the board is faulty. Then, manually insert the board into the corresponding slot. If the type of the inserted board is the same as the type of the board added offline, the system reports a board fault recovery alarm (alarm ID: 0x02310000). If the types are inconsistent, an alarm with ID 0x02300082 is reported.
§ Automatically discover the board. Insert the board into an idle slot. The system displays a message indicating that the board is automatically discovered. In this case, you need to run the board confirm command to confirm the automatically discovered board.
Maintaining Boards
· board delete
§ This command is used to delete a board from a subrack. Run this command to set a slot to the idle state if the board in the slot is faulty and removed, and no other board is registered in the slot. After the board is deleted successfully, you can add a new board in the idle slot.
· board reset
§ This command is used to reset a board in a specified subrack or slot. Run this command when locating a fault or when a service is faulty and cannot be recovered by resetting the chipset on the board. For example, if you need to set the value of some performance statistics to 0, the setting takes effect only after the board is reset. After a board is reset successfully, all the data configured on the board is reset to 0.
Note: Exercise caution when running this command. Do not reset the board unless necessary. Otherwise, services may be affected.
§ To reset the control board or the system, run the reboot command instead of the board reset command.
· board prohibit
§ The board prohibit command is used to disable a board. Run this command when you need to locate, diagnose, and rectify a faulty service board. After a board is disabled, services on the board are interrupted until the board is enabled.
Note: Disabling a board interrupts services. Exercise caution when running this command.
§ The undo board prohibit command is used to enable a board that has been disabled. After a board is enabled, the services on the board are restored.
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