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Summary
With reference to the implementation of vconfig in Linux, a vconfig tool is added, through which you can configure the vlan interface.
Control whether the tool is enabled by compiling options CONFIG_NET_VLAN and CONFIG_NSH_DISABLE_VCONFIG.
Impact
The user can configure the vlan interface through this interface.
Testing
Open the compilation options CONFIG_NET_VLAN and CONFIG_NSH_DISABLE_VCONFIG. Add/delete the Vlan interface in the SIM environment, and check whether the configuration is successful through ifconfig.