IPSelect (MProt)

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IPSelect (MProt)

Reading and Writing

Configuration by numerical parameters

Parameter

Value

N1

-2 (minus two)

N2

0 (zero)

N3

4 (four)

N4

0 (zero)

 

Configuration by syntactical parameters

Parameter

Value

Item

MProt.IO.Ethernet.IPSelect

 

Indicates the active IP address. Possible values are 0: The main IP address is selected or active or 1: The alternative or backup IP address is selected or active.

If the Ethernet interface is connected, this Tag indicates which one of the two configured IP addresses is in use. If the interface is disconnected, this Tag indicates which IP address is used first in the next attempt to connect.

During the connection process, if the active IP address is not available, then IOKit tries to connect to the other IP address. If the connection to the alternative IP address succeeds, then this IP address is set as the active one, that is, an automatic switchover.

To force a manual switchover, write 1 (one) or 0 (zero) to this Tag. This forces a reconnection with the specified IP address (0: Main IP address and 1: Backup IP address) if this Driver is currently connected. If this Driver is disconnected, that configures the active IP address for the next attempt to connect.

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