The basic topology that we will use is below. We have three routers and two network. We will provide the route from one network to another.
On JUNOS2 Router you can use the full command in only one line like below. But here we have two interfaces, so we will give to ip addresses that are in different network.
For the last router, JUNOS3 Router use the below commands. Here we can also give ip address to the second interface but there is no device is connected to that interface.
Other Static Routing Lessons on Other Vendors