Introduction about Huawei S6700 Switch Hardware Information

Hardware modules of Huawei S6700 S6720-30C-EI-24S-DC for expample refer to the SCU (Switch Control Unit), power supply, and fan.

Logical structure of hardware modules

SCU

The SCU is fixed on Huawei S6700. Each S6700 has one SCU.
The SCU is responsible for packet switching and device management. It integrates multiple
functional modules, namely, the main control module, switching module, and interface
module.

Main Control Module
The main control module implements the following functions:
Processing protocols
Functioning as an agent of the user to manage the system and monitor the system
performance according to instructions of the user, and report the running status of the
device to the user
Monitoring and maintaining the interface module and switching module on the SCU
Switching Module
The switching module, also called the switching fabric, is responsible for packet exchange,
multicast replication, QoS scheduling, and access control on the interface module of the SCU.
The switching module adopts high performance chips to implement line-speed forwarding and
fast switching of data with different priorities.
Interface Module
The interface module provides Ethernet interfaces for accessing Ethernet services.
Cards
Huawei S6700 such as S6720S-26Q-EI-24S supports service cards. Service cards allow flexible networking and provide cost-effective
and customized solutions.