The CX320 is installed in a rear slot of an E9000 chassis and are connected to compute nodes,
storage nodes, and management modules through the E9000 midplane. It exchanges data and
control packets in the E9000 chassis and provides high-speed data transmission.
Table 2-1 describes the functions of the CX320 converged switching plane.
Table 2-1 Ethernet switching plane function description
Function
Description
Basic features Ethernet
l Full-duplex and autonegotiation working modes
l GE, 10GE, and 40GE (supported by Ethernet ports
on the panel)
NOTE
l 10GE optical ports support multi-mode and single-
mode optical modules (GE or 10GE).
l 10GE optical ports support GE or 10GE electrical
modules.
l 40GE optical ports on the panel support multi-mode
optical cables, single-mode optical cables, and passive
cables. Each 40GE optical port can be divided into
four 10GE optical ports.
l 10GE optical ports on the panel support multi-mode
optical cables, single-mode optical cables, and passive
cables, and can be merged into 40GE optical ports.
l MX517 PIC card with 10GE/8G FC unified ports.
NOTE
l 10GE optical ports support multi-mode and single-
mode optical modules (GE or 10GE).
l 10GE optical ports support SFP electrical modules.
l 10GE optical ports on the panel support multi-mode
optical cables, single-mode optical cables, and passive
cables.
l Port traffic control
l Jumbo frames
l Link aggregation
l Load balancing among links of a trunk
l Port isolation and forwarding restriction on ports
l 40G port splitting
l Protocol-based packet statistics on a port
l Broadcast storm suppression
l M-LAG
FC
l MX517 PIC card with 10GE/8G FC unified ports.
l MX527 PIC card with 16G FC ports
CX320 Switch Module
User Guide
2 Product Overview
Issue 09 (2019-08-02) Copyright © Huawei Technologies Co., Ltd. 6
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