Cisco EIGRP与RIPv2的路由汇总区别

实验目的：
EIGRP与RIPv2的区别

实验拓扑：

附件:

实验过程：
R1
interface Loopback0
ip address 1.1.1.2 255.255.255.0 secondary
ip address 1.1.1.3 255.255.255.0 secondary
ip address 1.1.1.4 255.255.255.0 secondary
ip address 1.1.1.5 255.255.255.0 secondary
ip address 1.1.1.6 255.255.255.0 secondary
ip address 1.1.1.1 255.255.255.0
!
interface Ethernet0/0
no ip address
shutdown
!
interface Serial1/0
ip address 12.1.1.1 255.255.255.0
serial restart-delay 0
!
interface Serial2/0
no ip address
shutdown
serial restart-delay 0
!
router eigrp 100
network 1.1.1.0 0.0.0.255
network 12.1.1.0 0.0.0.255
no auto-summary

R2
router eigrp 100
network 12.1.1.0 0.0.0.255
network 23.1.1.0 0.0.0.255
auto-summary

R3
router eigrp 100
network 23.1.1.0 0.0.0.255
auto-summary

实验结果：
r1#sh ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - , IA - 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

Gateway of last resort is not set

1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Loopback0
D 23.0.0.0/8 [90/2681856] via 12.1.1.2, 00:22:09, Serial1/0
12.0.0.0/24 is subnetted, 1 subnets
C 12.1.1.0 is directly connected, Serial1/0

r2#sh ip route
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

Gateway of last resort is not set

1.0.0.0/24 is subnetted, 1 subnets
D 1.1.1.0 [90/2297856] via 12.1.1.1, 00:05:18, Serial2/0
2.0.0.0/24 is subnetted, 1 subnets
C 2.2.2.0 is directly connected, Loopback0
23.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 23.1.1.0/24 is directly connected, Serial1/0
D 23.0.0.0/8 is a summary, 00:25:52, Null0
12.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 12.1.1.0/24 is directly connected, Serial2/0
D 12.0.0.0/8 is a summary, 00:25:52, Null0

r3#sh ip route
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

Gateway of last resort is not set

1.0.0.0/24 is subnetted, 1 subnets
D 1.1.1.0 [90/2809856] via 23.1.1.2, 00:06:07, Serial2/0
23.0.0.0/24 is subnetted, 1 subnets
C 23.1.1.0 is directly connected, Serial2/0
D 12.0.0.0/8 [90/2681856] via 23.1.1.2, 00:26:41, Serial2/0




改成RIPv2
R1
router rip
version 2
network 1.0.0.0
network 12.0.0.0
no auto-summary
R2
router rip
version 2
network 12.0.0.0
network 23.0.0.0
R3
router rip
version 2
network 23.0.0.0


结果：
r1#sh ip route
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

Gateway of last resort is not set

1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Loopback0
R 23.0.0.0/8 [120/1] via 12.1.1.2, 00:00:25, Serial1/0
12.0.0.0/24 is subnetted, 1 subnets
C 12.1.1.0 is directly connected, Serial1/0

r2# sh ip route
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

Gateway of last resort is not set

1.0.0.0/24 is subnetted, 1 subnets
R 1.1.1.0 [120/1] via 12.1.1.1, 00:00:20, Serial2/0
2.0.0.0/24 is subnetted, 1 subnets
C 2.2.2.0 is directly connected, Loopback0
23.0.0.0/24 is subnetted, 1 subnets
C 23.1.1.0 is directly connected, Serial1/0
12.0.0.0/24 is subnetted, 1 subnets
C 12.1.1.0 is directly connected, Serial2/0

R3
r3#sh ip route
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

Gateway of last resort is not set

R 1.0.0.0/8 [120/2] via 23.1.1.2, 00:00:05, Serial2/0
23.0.0.0/24 is subnetted, 1 subnets
C 23.1.1.0 is directly connected, Serial2/0
R 12.0.0.0/8 [120/1] via 23.1.1.2, 00:00:05, Serial2/0


实验结果：

      EIGRP的汇总需要有最少1条自身直连路由，否则不管汇总
      RIPv2 R2把收到的明细装入路由表，然后发送汇总路由给R3