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Specifying a broadcast address

You can use a broadcast address to send a message to all the machines on a subnet. You can specify a broadcast address by using the ifconfig command.

About this task

IPv6 does not support broadcast addresses.


  1. To specify a broadcast address, enter the following command:
    ifconfig interface_name broadcast address

    interface_name is the name of the network interface.

    address is the broadcast address.


    To set a broadcast address of for the network with subnet mask, enter the following command:

    ifconfig e3a broadcast