Configure sub-interfaces

CE12800 and CE7800 series switches in V100R003C10 and later versions support the sub-interface configuration.
CE5800 sand CE6800 series switches, except the CE6810LI, in V100R005C00 and later versions support the sub-interface configuration.

The following example shows how to configure a sub-interface.

system-view
[~HUAWEI] interface 10ge 1/0/1
[~HUAWEI-10GE1/0/1] undo portswitch //Change the interface mode to Layer 3 mode.
[*HUAWEI-10GE1/0/1] commit
[~HUAWEI-10GE1/0/1] quit
[~HUAWEI] interface 10ge 1/0/1.1 //Enter the sub-interface view.

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