The dhcp select global command is added to the VLANIF interface view after S series switch is upgraded

On fixed switches running V100R003, the DHCP server function (the dhcp select global command) is enabled in the VLANIF view by default, and there is no buildrun information. On fixed switches running V100R005 or a later version, the DHCP server function is disabled in the VLANIF view by default. To ensure compatibility with earlier versions, the DHCP server function is enabled in the VLANIF view after an upgrade. If the DHCP function (the dhcp enable command) is disabled globally, the dhcp select global command will not take effect, and you can manually delete this command. If the DHCP function (the dhcp enable command) is enabled globally after the upgrade, contact Huawei technical support for help before deleting the dhcp select global command.

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