R1(config-if)#ip add 10.1.1.1 255.255.255.255
R1(config-if)#no sh
R1(config-if)#exit
R1(config)#int f0/0
R1(config-if)#ip add 192.168.1.1 255.255.255.0
R1(config-if)#no sh
R1(config-if)#exit
R1(config)#int s1/1
R1(config-if)#ip add 192.168.11.1 255.255.255.0
R1(config-if)#no sh
R1(config-if)#enc ppp
R1(config-if)#exit
R1(config)#router eigrp 86
R1(config-router)#net 10.0.0.0
R1(config-router)#net 192.168.1.0
R1(config-router)#net 192.168.11.0
R1(config-router)#exit
R2(config-if)#ip add 192.168.1.2 255.255.255.0
R2(config-if)#no sh
R2(config-if)#exit
R2(config)#int s1/0
R2(config-if)#ip add 192.168.11.2 255.255.255.0
R2(config-if)#no sh
R2(config-if)#enc ppp
R2(config-if)#clock rate 64000
R2(config-if)#exit
R2(config)#int s1/1
R2(config-if)#ip add 192.168.2.1 255.255.255.0
R2(config-if)#no sh
R2(config-if)#enc ppp
R2(config-if)#clock rate 64000
R2(config-if)#exit
R2(config)#router eigrp 86
R2(config-router)#net 192.168.1.0
R2(config-router)#net 192.168.11.0
R2(config-router)#net 192.168.2.0
R2(config-router)#exit
R3(config-if)#ip add 10.1.2.3 255.255.255.255
R3(config-if)#no sh
R3(config-if)#exit
R3(config)#int s1/0
R3(config-if)#ip add 192.168.2.2 255.255.255.0
R3(config-if)#no sh
R3(config-if)#enc ppp
R3(config-if)#exit
R3(config)#router eigrp 86
R3(config-router)#net 10.0.0.0
R3(config-router)#net 192.168.2.0
R3(config-router)#exit
Sending 5, 100-byte ICMP Echos to 10.1.2.3, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
C 192.168.11.2/32 is directly connected, Serial1/1
C 192.168.11.0/24 is directly connected, Serial1/1
10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 10.0.0.0/8 is a summary, 00:02:52, Null0
C 10.1.1.1/32 is directly connected, Loopback0
C 192.168.1.0/24 is directly connected, FastEthernet0/0
192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks
D 192.168.2.2/32 [90/2172416] via 192.168.1.2, 00:02:18, FastEthernet0/0
D 192.168.2.0/24 [90/2172416] via 192.168.1.2, 00:02:18, FastEthernet0/0
R1(config-router)#no auto-summary
R1(config-router)#exit
R2(config-router)#no auto-summary
R2(config-router)#exit
R3(config-router)#no auto-summary
R3(config-router)#exit
Sending 5, 100-byte ICMP Echos to 10.1.2.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 28/62/124 ms
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
C 192.168.11.2/32 is directly connected, Serial1/1
C 192.168.11.0/24 is directly connected, Serial1/1
10.0.0.0/32 is subnetted, 2 subnets
D 10.1.2.3 [90/2300416] via 192.168.1.2, 00:02:49, FastEthernet0/0
C 10.1.1.1 is directly connected, Loopback0
C 192.168.1.0/24 is directly connected, FastEthernet0/0
192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks
D 192.168.2.2/32 [90/2172416] via 192.168.1.2, 00:07:48, FastEthernet0/0
D 192.168.2.0/24 [90/2172416] via 192.168.1.2, 00:07:48, FastEthernet0/0
IP-EIGRP Topology Table for AS(86)/ID(10.1.1.1)
r - reply Status, s - sia Status
via 192.168.1.2 (2300416/2297856), FastEthernet0/0
via 192.168.11.2 (2809856/2297856), Serial1/1
P 10.1.1.1/32, 1 successors, FD is 128256
via Connected, Loopback0
P 192.168.11.2/32, 1 successors, FD is 2169856
via Rconnected (2169856/0)
P 192.168.11.1/32, 0 successors, FD is Inaccessible
via 192.168.1.2 (2172416/2169856), FastEthernet0/0
via 192.168.11.2 (2681856/2169856), Serial1/1
P 192.168.11.0/24, 1 successors, FD is 2169856
via Connected, Serial1/1
P 192.168.2.2/32, 1 successors, FD is 2172416
via 192.168.1.2 (2172416/2169856), FastEthernet0/0
via 192.168.11.2 (2681856/2169856), Serial1/1
P 192.168.1.0/24, 1 successors, FD is 28160
via Connected, FastEthernet0/0
P 192.168.2.0/24, 1 successors, FD is 2172416
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
r - reply Status, s - sia Status
via 192.168.11.2 (2681856/2169856), Serial1/1
R1(config-router)#variance 10
R2(config-router)#variance 10
R3(config-router)#variance 10
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
C 192.168.11.2/32 is directly connected, Serial1/1
C 192.168.11.0/24 is directly connected, Serial1/1
10.0.0.0/32 is subnetted, 2 subnets
D 10.1.2.3 [90/2809856] via 192.168.11.2, 00:01:16, Serial1/1
[90/2300416] via 192.168.1.2, 00:01:16, FastEthernet0/0
C 10.1.1.1 is directly connected, Loopback0
C 192.168.1.0/24 is directly connected, FastEthernet0/0
192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks
D 192.168.2.2/32 [90/2681856] via 192.168.11.2, 00:01:16, Serial1/1
[90/2172416] via 192.168.1.2, 00:01:16, FastEthernet0/0
D 192.168.2.0/24 [90/2681856] via 192.168.11.2, 00:01:16, Serial1/1
[90/2172416] via 192.168.1.2, 00:01:16, FastEthernet0/0
Tracing the route to 10.1.2.3
192.168.1.2 72 msec
192.168.11.2 40 msec
2 192.168.2.2 52 msec * 84 msec