hostname Router1
!         
interface Loopback0
 ip address 10.1.1.1 255.255.255.0
!
interface GigabitEthernet1
 ip address 192.168.1.2 255.255.255.252

hostname Router2
!         
interface Loopback0
 ip address 172.17.1.1 255.255.255.0
!
interface GigabitEthernet1
 ip address 192.168.1.1 255.255.255.252

Lab 1: Initial Configuration
IOS-XE Labs