How to use Huawei s 10 Gigabit network splitter
Huawei switches allow high-bandwidth ports (40GE or 100GE) to be split into multiple 10GE interfaces using the port split function, enabling flexible connections to multiple devices.
Supported Hardware
Not all Huawei switch ports support interface splitting. Typically:
- 40GE interfaces on cards like EH1D2L08QX2E, ET1D2H02QX2E, and LST7L12QX6E0 can be split into four 10GE interfaces .
- 100GE interfaces on certain EE series cards can be split into ten 10GE interfaces or two 40GE interfaces, depending on the operating rate .
- For S300, S500, S2700, and S5700 series, only specific panels and cards support splitting 40GE or 100GE interfaces . Before attempting a split, verify your switch model and interface support on Huawei's support site.
Configuration Steps
- Check Current Port Split Status Use the command:
display port splitThis shows which high-bandwidth ports are currently split . - Split a 40GE Port into Four 10GE Ports Enter system view and run:
port split dimension interface 40GE1/0/1 split-type 4*10GEReplace40GE1/0/1with your interface ID . - Reversing the Split To restore the original 40GE interface:
undo port split dimension interface 40GE1/0/1Note that splitting or undoing a split deletes existing port configurations on the affected interfaces . - Connect Devices Use a 1-to-4 breakout cable or optical modules to connect the split 10GE interfaces to multiple devices. The cable length is typically fixed (up to 5–10 meters) and provides direct optical connections .
Considerations
- After splitting, the original high-bandwidth interface is disabled; only the new 10GE interfaces are active .
- The split interfaces support the same configurations and features as standard 10GE ports, but their numbering may differ .
- Ensure your devices have compatible 10GE NICs and that the cabling supports the required bandwidth.
- For 100GE interfaces, the split options depend on the interface rate: at 100 Gbit/s, it can split into four 25GE interfaces; at 40 Gbit/s, it can split into four 10GE interfaces . By following these steps, you can efficiently use Huawei's 10 Gigabit network splitter to connect multiple devices to a single high-bandwidth port, optimizing network flexibility and hardware utilization.
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