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首页 > Home > Application Notes > How to configure interface splitting and merging on Huawei CloudEngine 6800 series switchesHow to configure interface splitting and merging on Huawei CloudEngine 6800 series switches
Time: 2025-07-18
The QSFP optical interfaces on the switch can typically be configured as independent interfaces or split into multiple interfaces. For example, a 40G interface can be split into four 10G interfaces. The split interfaces differ from ordinary 10G optical interfaces only in their interface numbering scheme; all other supported configurations and features are identical to those of ordinary 10G physical interfaces. The split interfaces can be connected to a 10G network via methods such as using a 1-to-4 fiber cable, optical modules paired with a 1-to-4 fiber adapter, or a QSA adapter. This design enhances network flexibility, improves port utilization, and reduces user costs. The commands for configuring interface splitting or merging may vary across different switch brands, models, or even firmware versions. In the follow-up, the Moduletek Laboratory will introduce the configuration methods for splitting and merging interfaces of different devices from time to time.
Taking the actual test of the CE6810-24S2Q-LI/CE6860-48S8CQ-EI switch as an example, we will show you the configuration methods for splitting and merging the QSFP interfaces of Huawei CloudEngine 6800 series switches:
1. In the initial state of the device interface, the QSFP interface is in merged mode, and only a single 40G interface is visible when viewing the interface;
2. In system view mode, execute the command “port split dimension interface interface-type interface-id split-type split-type” , and save the configuration to split the QSFP interface into four 10G interfaces;
3. We can viewing the interface shows that the original single independent interface has been split into 4 10G interfaces after configuring the split interfaces ;
4. In system view mode, execute the command “undo port split dimension interface interface-type interface-id split-type split-type” and save the configuration to cancel the interface split, at which point the interface merges back to the device's initial state;
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