Chapter 11: OSPF Configuration Guide120 SmartSwitch Router User Reference ManualOSPF Configuration ExamplesFor all examples in this section, refer to the configuration shown in Figure 8 on page 124.The following configuration commands for router R1:• Determine the IP address for each interface• Specify the static routes configured on the router• Determine its OSPF configurationShows information about all valid nexthops mostly derived from the SPFcalculation.ospf show next-hop-listShow OSPF statistics. ospf show statisticsShows information about OSPF BorderRoutes.ospf show summary-asbShow OSPF timers. ospf show timersShow OSPF virtual-links. ospf show virtual-links!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++! Create the various IP interfaces.!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++interface create ip to-r2 address-netmask 120.190.1.1/16 port et.1.2interface create ip to-r3 address-netmask 130.1.1.1/16 port et.1.3interface create ip to-r41 address-netmask 140.1.1.1/24 port et.1.4interface create ip to-r42 address-netmask 140.1.2.1/24 port et.1.5interface create ip to-r6 address-netmask 140.1.3.1/24 port et.1.6!+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++! Configure default routes to the other subnets reachable through R2.!+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ip add route 202.1.0.0/16 gateway 120.1.1.2ip add route 160.1.5.0/24 gateway 120.1.1.2!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++! OSPF Box Level Configuration!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ospf startospf create area 140.1.0.0ospf create area backboneospf set ase-defaults cost 4!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++! OSPF Interface Configuration!++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ospf add interface 140.1.1.1 to-area 140.1.0.0ospf add interface 140.1.2.1 to-area 140.1.0.0