R3
interface Loopback0
ip address 63.236.240.22 255.255.255.255
!
interface Serial0/0
ip address 172.31.1.1 255.255.255.252
serial restart-delay 0
!
router eigrp 1
network 172.31.1.1 0.0.0.0
no auto-summary
Gateway of last resort is not set
172.31.0.0/30 is subnetted, 1 subnets
C 172.31.1.0 is directly connected, Serial0/0
10.0.0.0/24 is subnetted, 1 subnets
D 10.0.0.0 [90/2681856] via 172.31.1.2, 00:02:48, Serial0/0
63.0.0.0/32 is subnetted, 1 subnets
C 63.236.240.22 is directly connected, Loopback0
R2
interface Serial0/0
ip address 172.31.1.2 255.255.255.252
serial restart-delay 0
!
interface Serial0/1
ip address 10.0.0.1 255.255.255.0
serial restart-delay 0
!
router eigrp 1
network 10.0.0.1 0.0.0.0
network 172.31.1.2 0.0.0.0
no auto-summary
!
ip route 0.0.0.0 0.0.0.0 172.31.1.1
Gateway of last resort is 172.31.1.1 to network 0.0.0.0
* 172.31.0.0/30 is subnetted, 1 subnets
C 172.31.1.0 is directly connected, Serial0/0
10.0.0.0/24 is subnetted, 1 subnets
C 10.0.0.0 is directly connected, Serial0/1
S* 0.0.0.0/0 [1/0] via 172.31.1.1
R1
interface Serial0/0
ip address 10.0.0.2 255.255.255.0
serial restart-delay 0
router eigrp 1
network 10.0.0.2 0.0.0.0
no auto-summary
Gateway of last resort is not set
172.31.0.0/30 is subnetted, 1 subnets
D 172.31.1.0 [90/2681856] via 10.0.0.1, 00:04:19, Serial0/0
10.0.0.0/24 is subnetted, 1 subnets
C 10.0.0.0 is directly connected, Serial0/0