Configure the Preferred Address for an Interface

The preferred address on an interface is the default local address used for packets sourced by the local router to destinations on the subnet. By default, the numerically lowest local address is chosen. For example, if the addresses 128.100.1.1/24, 128.100.1.2/24, and 128.100.1.3/24 are configured on the same interface, the preferred address on the subnet (by default, 128.100.1.1) would be used as a local address when you issue a ping 128.100.1.5 command.

To set a different preferred address for the subnet, include the preferred statement:

preferred; 

You can configure this statement at the following hierarchy levels:

• [edit interfaces interface-name unit logical-unit-number family family address address]
• [edit logical-routers logical-router-name interfaces interface-name unit logical-unit-number family family address address]