The examples in Figures 1 to 3 show the steps to configure and activate the interfaces attached to R1. Notice the Layer 1 and 2 informational messages generated as each interface is activated.
As each interface is added, the routing table automatically adds the connected (‘C’) and local (‘L’) entries. Figure 4 provides an example of the routing table with the directly connected interfaces of R1 configured and activated.
Use the Syntax Checker in Figure 5 to configure and activate the interfaces connected to R2.