LST7MPUE0000-S12700E Main Processing Unit E
Version Mapping
Card Name |
S12700E-4 and S12700E-8 Chassis |
S12700E-12 Chassis |
|---|---|---|
LST7MPUE0000 |
Supported in V200R019C00 and later versions |
Supported in V200R019C00 and later versions |
Introduction
The LST7MPUE0000 is the main control unit for the S12700E-4, S12700E-8, and S12700E-12. It provides the control plane and management plane for the entire system and reserves a slot for clock daughter card.
The LST7MPUE0000 can be installed in:
- Slots 05 and 06 in an S12700E-4 chassis.
- Slots 09 and 10 in an S12700E-8 chassis.
- Slots 13 and 14 in an S12700E-12 chassis.
Functions
The LST7MPUE0000 provides the control plane and management plane for the entire system.
- The control plane provides functions such as protocol processing, service processing, route calculation, forwarding control, service scheduling, traffic statistics collection, and system security.
- The management plane is responsible for system status monitoring, environment monitoring, log and alarm processing, system software loading, and system upgrades.
The LST7MPUE0000 consists of the following functional modules:
- Control module: functions as the control and management plane for the LST7MPUE0000 and the entire system, implementing protocol processing, route calculation, forwarding control, system management, and system security.
- Local clock module: provides the working clock for the chips of the control module, and device management and monitoring module on the LST7MPUE0000.
- Device management and monitoring module: provides functions of a controller area network (CAN) bus module to monitor the LST7MPUE0000 and manage the CAN bus modules of LPUs.
- Power supply module: provides power supply for the LST7MPUE0000.
- Value-added service module: provides enhanced services such as operation, administration and maintenance (OAM) and bidirectional forwarding detection (BFD).
Function |
Description |
|---|---|
Basic functions |
The LST7MPUE0000 is the system control and management unit for the S12700E-4, S12700E-8, and S12700E-12. It integrates the main control unit, clock unit, and system maintenance unit. |
OAM |
The LST7MPUE0000 supports the following OAM functions:
|
Memory |
16 GB |
Flash |
64 MB |
NAND Flash |
2 GB The system configuration data, startup files, system software package, and system logs are saved in the NAND Flash by default. |
Redundancy backup |
1+1 hot standby Main control board is mandatory for switches. Each switch must be configured with one or two main control boards. When one main control board is configured for a switch, the main control board can be installed in either main control board slot of the switch. When two main control boards are configured, the two main control boards work in hot standby mode to improve reliability of the switch. The active and standby main control boards monitor the status of each other. If the active main control board fails, the standby main control board automatically becomes active to ensure uninterrupted services. |
Hot swapping |
Supported Before removing the active card, perform an active/standby switchover. |
Usage Constraints
The fans in a switch work in intelligent speed adjustment mode after a switchover between the active and standby main control units in the switch. If the fans run at a specified speed before a switchover, run the set fan-speed command after the switchover to set the fan speed again.
Indicators and Ports
Number |
Indicator/Button |
Color |
Description |
|---|---|---|---|
1 |
CSS ID |
Green |
There are eight CSS ID indicators on the panel, but only one is on at a time.
|
2 |
CSS MASTER |
Green |
Steady on: The MPU is the master MPU of the CSS. Off: The MPU is not the master MPU of the CSS. |
3 |
USB |
Green |
Steady on: USB-based deployment of the card has been completed. Fast blinking: The card is reading data from a USB flash drive. |
Yellow |
Steady on: The card has finished reading data from the USB flash drive. You can remove the USB flash drive now. |
||
Red |
Steady on: The card fails to connect to the network management system (NMS) or fails to register with the NMS. Fast blinking: An error has occurred when the card is executing the configuration file or reading data from the USB flash drive. |
||
- |
Off: No USB flash drive is connected to the card, the USB port on the card is damaged, or the indicator is damaged. |
||
4 |
SYNC |
Green |
Steady on: The switch supports time and clock synchronization, and a clock daughter card is installed on the MPU. Off: The switch supports time and clock synchronization, but no clock daughter card is installed on the MPU. |
5 |
ACT indicator of the ETH port |
Yellow |
Blinking: The port is transmitting and receiving data. |
6 |
LINK indicator of the ETH port |
Green |
Steady on: A link has been established on the port. |
7 |
RST button |
- |
Press this button to reset the card. |
8 |
ACT: active/standby status indicator |
Green |
Steady on: The card is the active MPU of the switch. Off: The card is the standby MPU of the switch. NOTE:
When two chassis set up a cluster: Steady on: The card is the active MPU of the cluster. Blinking: The card is the hot standby MPU of the cluster. Off: The card is the cold standby MPU of the cluster. |
9 |
RUN/ALM: running status indicator |
Green |
Steady on: The card is powered on. If the indicator is steady green for no more than 30 seconds, the CPU is being started. If the indicator is steady green for more than 30 seconds, the software is not running. Slow blinking: The card software is running properly. Fast blinking: The card software is starting. |
Red |
Steady on: The switch has a 1600 W DC power module or 2400 W DC power module installed or experiences a card failure. Manual intervention is required. |
||
Yellow |
Steady on: The card is powered off. (For example, the card is starting.) |
1 |
One USB port. A USB flash drive can be inserted into this port to load the system software to the switch during device deployment. |
2 |
Two BITS ports. The CLK1 and CLK2 ports on the MPU map the BITS0 and BITS1 ports on the clock daughter card. BITS devices or other products can connect to BITS ports to synchronize the time and clock. NOTE:
LST7MPUE0000 does not support stratum-3 clock, synchronous Ethernet, and IEEE 1588v2 functions. |
3 |
One console port, used for onsite configuration of the switch. |
4 |
One ETH management port (10M/100M BASE-TX auto-sensing). It can connect to a network port of a configuration terminal or network management workstation to set up a local or remote configuration environment. |
ETH management port
The ETH management port connects the switch to a configuration terminal or network management workstation to set up a local or remote configuration environment. The port must be used with an Ethernet Cable. Table 6-7 describes the attributes of an ETH management port.
Attribute |
Description |
|---|---|
Connector type |
RJ45 |
Standards compliance |
IEEE802.3 |
Working mode |
10/100 Mbit/s auto-sensing Full-duplex |
Maximum transmission distance |
100 m |
Console port
The console port can connect to a configuration terminal for onsite configuration.
The console port must be used with a Console Cable. Table 6-8 describes the attributes of the console port.
Attribute |
Description |
|---|---|
Connector type |
RJ45 |
Working mode |
Duplex Universal Asynchronous Receiver/Transmitter (UART) |
Standards compliance |
RS232 |
Baud rate |
9600 bit/s to 115200 bit/s Default value: 9600 bit/s |
BITS port
Attribute |
Description |
|---|---|
Connector type |
RJ45 |
Working mode |
Clock synchronization mode: full-duplex Time synchronization mode: half-duplex |
Frame format |
|
Standards compliance |
|
Cable used |
Time synchronization mode: straight-through Ethernet cable (RS422 signal) Clock synchronization mode: E1/T1 cable (120-ohm balanced cable) For details about cable parameters, see Clock Cable. |
USB Port
A USB flash drive can be inserted into the USB port to transfer configuration files, software packages, or other files required for the switch during device deployment. Table 6-10 lists the attributes of the USB port.
Specifications
Item |
Description |
|---|---|
Physical specifications |
|
Ordering Information
Card ordering information is subject to updates with product version upgrades. The ordering information provided in this manual is for reference only. To obtain the latest ordering information, contact Huawei switch distributors or Huawei local office.
Part Number |
Card Description |
Card Model |
|---|---|---|
03033EME |
S12700E Main Processing Unit E |
LST7MPUE0000 |
