Can I log in to a switch that fails the DAD competition through its management network port

If a backup IP address has been configured for a switch that fails the DAD competition, you can log in to the switch through its management network port. If no backup IP address is configured, its management network port will be disabled. Configure a backup IP address for a switch as follows:
system-view
[~HUAWEI] interface meth 0/0/0
[~HUAWEI-MEth0/0/0] dual-active backup ip address 192.168.1.175 24 member all
[*HUAWEI-MEth0/0/0] commit

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