What are differences between the MPU connection mode and LPU connection mode of CE12800 member switches

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- In MPU connection mode, management links and forwarding links are separated, ensuring high reliability. SIP ports on the MPUs and service ports on the LPUs must be connected for member switches.

- In LPU connection mode, management links and forwarding links are integrated. Only service ports on the LPUs are connected for member switches.

Other related questions:
Difference between the subcard mode and board mode
The subboard mode refers to the current working mode of a subboard. The board mode refers to the current working mode of a board. Different types of boards and subboards support different types of working modes. Many commands are used to switch the subboard mode and board mode. These commands start with set service-mode. To set the subboard mode, you can run the set service-mode card or set service-mode slot card command in the system view. To set the board mode, you can run the set service-mode slot command in the system view.

Difference between cascading mode and non-cascading mode
TOM boards can work in cascading or non-cascading mode. In cascading mode, the total client-side service rate for each TOM board must be less than or equal to 2.5 Gbit/s. In non-cascading mode, the total client-side service rate for each TOM board must be less than or equal to 10 Gbit/s. When working in cascading mode, each TOM board can map a maximum of eight client-side services into one ODU0 or ODU1 signal. When working in non-cascading mode, it can map a maximum of four client-side services into one ODU0 or ODU1 signal. To map more than four client-side services into one ODU1 or ODU0 signal, the cascading mode is recommended. To map four or less client-side services into one ODU1 or ODU0 signal, the non-cascading mode is recommended.

What are the differences in AP-side switch interface configuration and intermediate switch configuration in direct and tunnel forwarding modes
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Whether S series fixed switches support stacking
The Typical Configuration Examples document describes whether each model and version of S series fixed switches (except S1700 switches) supports stacking as well as stack modes, hardware and software requirements, typical networking, and configuration steps. For details, click Typical Configuration Examples and choose Typical Stack Configuration of Fixed Switches- Determining the Stack Connection Mode and Hardware and Software Requirements.

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