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Common Operation Guide

CloudEngine 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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Switching an Interface to Layer 3 Mode

Switching an Interface to Layer 3 Mode

  • Switching one interface: Run the undo portswitch command in the interface view to switch the interface to Layer 3 mode. By default, an Ethernet interface works in Layer 2 mode.

    # Switching 10GE1/0/1 to Layer 3 mode.
    <HUAWEI> system-view
    [~HUAWEI] interface 10ge 1/0/1
    [~HUAWEI-10GE1/0/1] undo portswitch
    [*HUAWEI-10GE1/0/1] commit
  • Switching a batch of interfaces: Run the undo portswitch batch interface-type { interface-number1 [ to interface-number2 ] } &<1-10> command in the system view to switch multiple interfaces to Layer 3 mode in a batch.

    # Switch 10GE1/0/1 to 10GE1/0/3 to Layer 3 mode in a batch.
    <HUAWEI> system-view
    [~HUAWEI] undo portswitch batch 10ge 1/0/1 to 1/0/3
    [*HUAWEI] commit

Before configuring the undo portswitch and undo portswitch batch commands on the CE12800E that has the FD-X series cards installed, CE6865EI, CE6855HI, CE6856HI, CE7855EI, CE8861EI, and CE8868EI, run the vlan reserved for main-interface startvlanid to endvlanid command in the system view to configure a dedicated reserved VLAN for Layer 3 main interfaces.

The undo portswitch configuration takes effect only when the interface has attribute configurations (such as shutdown and description configurations). If service configurations (such as the port link-type trunk configuration) exist on the interface, delete all service configurations before running this command.

After switching an Ethernet interface from Layer 2 mode to Layer 3 mode using the undo portswitch command, you can configure an IP address or a Layer 3 sub-interface on the interface.

Updated: 2018-10-08

Document ID: EDOC1000102369

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