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Troubleshooting Guide

CloudEngine 16800, 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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Do Ethernet Interfaces on CE Series Switches Support Switching Between Layer 2 and Layer 3 Modes?

Do Ethernet Interfaces on CE Series Switches Support Switching Between Layer 2 and Layer 3 Modes?

In the earlier versions of V100R005C10, ethernet interfaces on all CloudEngine series switches (excluding the CE6810LI) support switching between Layer 2 and Layer 3 modes, For V100R005C10 and later versions, ethernet interfaces on all CE series switches support. And work in Layer 2 mode by default, You can run the undo portswitch command in the interface view to switch an interface to Layer 3 mode.

For example, switch 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
  • Before running the undo portswitch command in the interface view to switch an interface to Layer 3 mode, delete all the non-default configurations on the interface.
  • Before running the portswitch command in the interface view to switch an interface from Layer 3 mode to Layer 2 mode, delete all the Layer 3 service configurations on the interface.
  • Before configuring the undo portswitch and undo portswitch batch commands on the CE12800E that has the FD-X series cards installed, CE6865EI, CE6857EI, 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 CE6810LI does not support IPv4 or IPv6 Layer 3 forwarding. After the IPv4 or IPv6 function is enabled on an interface of the CE6810LI, the configured IPv4 or IPv6 address can only be used to manage the switch.

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Updated: 2020-01-07

Document ID: EDOC1000060766

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