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

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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

Other related questions:
Can the management ports on CE switches be configured with DAD
The management ports on the stack member switches can be configured with DAD. IP addresses must be configured during DAD configuration.

Can I log in to a backup switch or slave switch from its console port or management interface
In the versions earlier than V200R001, if you log in to a backup switch or slave switch from its console port or management, a message will be displayed, indicating that the current device is an interface card and no command can be used. In V200R001 and later versions, you can log in to a backup or slave switch from the console port or management interface.

Failure to log in to ISM
Uninstall ISM from the management terminal and install it again.

Failed to log in to the web interface of the management port.
If the BMC web interface is not displayed after you enter "http: //BMC IP address" in the address box, try "https: //BMC IP".

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