Exam JN0-102 topic 1 question 88 discussion

-- Exhibit --
[edit interfaces ge-0/0/6]
user@router# show
unit 0 {
familyinet {
address 172.16.10.100/24;
address 172.16.10.101/24;
}
}
-- Exhibit --
You have two IP addresses configured on the ge-0/0/6 interface, as shown in the exhibit. You want to select the 172.16.10.101 address as the source address for packets sent from this interface to hosts on a remote subnet.
Which parameter would you add to the 172.16.10.101 address to complete this task?