可以在R3 上的端口 f 1/0 上加上几句
(config-router)# ip summary-address eigrp 100 192.168.0.0 255.255.0.0
减少 R4 中的路由条目
因为路由器的路由ID为了好看,所以取了A类的 1.1.1.1~6.6.6.6 导致汇总不好汇总. 失败.呵呵.
r1>en
Password:
r1#show run
Building configuration...
Current configuration : 871 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname r1 //主机名
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$nFbz$rMMnSa5j4as5.FCiB0BlE0 //加密口令
!
no aaa new-model
ip subnet-zero // 可使用子网0
!
!
no ip domain lookup // no 掉 name-server
!
ip cef
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Loopback0 //本地回环0
ip address 192.168.50.1 255.255.255.255
!
interface Loopback1 //本地回环1 (虚拟出来测试用的)
ip address 192.168.30.1 255.255.255.248
!
interface FastEthernet0/0
ip address 192.168.30.9 255.255.255.248
duplex half
interface FastEthernet1/0
no ip address
shutdown
duplex half
!
router ospf 1 // ospf 进程 1
log-adjacency-changes
area 1 stub // stub 区域, 在ABR 设置 no-summary , 变成 totally stub
network 192.168.30.0 0.0.0.255 area 1 // 宣告
!
ip classless // 无类路由查询
no ip http server
!
!
!
!
!
!
!
!
!
gatekeeper
shutdown
!
line con 0
stopbits 1
line aux 0
line vty 0 4 // 开启 telnet
password 123 // telnet 密码
login
!
!
end
r1#show ip ospf database database-summary
OSPF Router with ID (192.168.50.1) (Process ID 1)
Area 1 database summary
LSA Type Count Delete Maxage
Router 2 0 0
Network 1 0 0
Summary Net 1 0 0
Summary ASBR 0 0 0
Type-7 Ext 0 0 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Subtotal 4 0 0
Process 1 database summary
LSA Type Count Delete Maxage
Router 2 0 0
Network 1 0 0
Summary Net 1 0 0
Summary ASBR 0 0 0
Type-7 Ext 0 0 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Type-5 Ext 0 0 0
Opaque AS 0 0 0
Total 4 0 0
r1#show 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 192.168.30.10 to network 0.0.0.0
192.168.30.0/29 is subnetted, 2 subnets
C 192.168.30.0 is directly connected, Loopback1
C 192.168.30.8 is directly connected, FastEthernet0/0
192.168.50.0/32 is subnetted, 2 subnets
O 192.168.50.2 [110/2] via 192.168.30.10, 00:22:37, FastEthernet0/0
C 192.168.50.1 is directly connected, Loopback0
O*IA 0.0.0.0/0 [110/2] via 192.168.30.10, 00:22:05, FastEthernet0/0 // 3 类缺省 , 优化 r1 的路由表
r1#192.168.30.10 // telnet 到 r2
Trying 192.168.30.10 ... Open
User Access Verification
Password:
r2>en
Password:
r2#show run
Building configuration...
Current configuration : 875 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname r2 // 主机名 r2
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$Hfq3$r7mcZQStWzg7BVqq.26pO0 // 加密口令
!
no aaa new-model
ip subnet-zero //使用子网0
!
!
no ip domain lookup // 关闭域名解析
!
ip cef
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Loopback0
ip address 192.168.50.2 255.255.255.255
!
interface FastEthernet0/0
ip address 192.168.30.10 255.255.255.248
duplex half
!
interface FastEthernet1/0
ip address 192.168.20.1 255.255.255.252
duplex half
!
router ospf 1
log-adjacency-changes
area 1 stub no-summary // ABR , stub 区域所有router必须都配置为stub, 在ABR 配置 no-summary,使区域称为 totally stub area
network 192.168.20.0 0.0.0.255 area 0 // 宣告
network 192.168.30.0 0.0.0.255 area 1 // 宣告
network 192.168.50.2 0.0.0.0 area 1 // 宣告
!
ip classless // 无类路由查询
no ip http server
!
!
!
!
!
!
!
!
!
gatekeeper
shutdown
!
line con 0
stopbits 1
line aux 0
line vty 0 4 // 开启 telnet
password 123 // telnet 密码
login
!
!
end
r2#show ip ospf database database-summary
OSPF Router with ID (192.168.50.2) (Process ID 1)
Area 0 database summary
LSA Type Count Delete Maxage
Router 2 0 0
Network 1 0 0
Summary Net 6 0 0
Summary ASBR 0 0 0
Type-7 Ext 0 0 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Subtotal 9 0 0
Area 1 database summary
LSA Type Count Delete Maxage
Router 2 0 0
Network 1 0 0
Summary Net 1 0 0
Summary ASBR 0 0 0
Type-7 Ext 0 0 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Subtotal 4 0 0
Process 1 database summary
LSA Type Count Delete Maxage
Router 4 0 0
Network 2 0 0
Summary Net 7 0 0
Summary ASBR 0 0 0
Type-7 Ext 0 0 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Type-5 Ext 5 0 0
Opaque AS 0 0 0
Total 18 0 0
r2#show 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
192.168.30.0/24 is variably subnetted, 2 subnets, 2 masks
O 192.168.30.1/32 [110/2] via 192.168.30.9, 00:22:31, FastEthernet0/0
C 192.168.30.8/29 is directly connected, FastEthernet0/0
192.168.10.0/27 is subnetted, 1 subnets
O IA 192.168.10.0 [110/2] via 192.168.20.2, 00:17:54, FastEthernet1/0
172.19.0.0/25 is subnetted, 1 subnets
O E2 172.19.35.0 [110/10] via 192.168.20.2, 00:17:49, FastEthernet1/0
192.168.20.0/30 is subnetted, 1 subnets
C 192.168.20.0 is directly connected, FastEthernet1/0
10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
O E2 10.2.2.0/24 [110/10] via 192.168.20.2, 00:17:49, FastEthernet1/0
O E2 10.1.1.0/29 [110/10] via 192.168.20.2, 00:17:49, FastEthernet1/0
192.168.50.0/24 is variably subnetted, 6 subnets, 2 masks
C 192.168.50.2/32 is directly connected, Loopback0
O 192.168.50.3/32 [110/2] via 192.168.20.2, 00:22:32, FastEthernet1/0
O E2 192.168.50.0/24 [110/10] via 192.168.20.2, 00:02:00, FastEthernet1/0
O 192.168.50.1/32 [110/2] via 192.168.30.9, 00:22:32, FastEthernet0/0
O E2 192.168.50.4/32 [110/10] via 192.168.20.2, 00:17:50, FastEthernet1/0
O IA 192.168.50.5/32 [110/3] via 192.168.20.2, 00:17:50, FastEthernet1/0
r2#192.168.20.2 // telnet 到 r 3
Trying 192.168.20.2 ... Open
User Access Verification
Password:
r3>en
Password:
r3#show run
Building configuration...
Current configuration : 1143 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname r3
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$fLpG$ugh.ML9BEMnh.jlccxY9S1
!
no aaa new-model
ip subnet-zero
!
!
no ip domain lookup
!
ip cef
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Loopback0
ip address 192.168.50.3 255.255.255.255
!
interface FastEthernet0/0
ip address 192.168.20.2 255.255.255.252
duplex half
!
interface FastEthernet1/0
ip address 10.1.1.5 255.255.255.248
duplex half
!
interface FastEthernet2/0
ip address 192.168.10.1 255.255.255.224
duplex half
!
router eigrp 100 // 进程号必须相同
redistribute ospf 1 metric 100000 100 255 5 1500 // 把 ospf 注入 ergip 带宽 时延 可靠性 负载 MTU
network 10.0.0.0 // 宣告
auto-summary
!
router ospf 1
log-adjacency-changes
area 2 nssa no-redistribution default-information-originate no-summary // 这里其实no-summary 是不用再default-information-originate 的,但是变相看出r 5的缺
省路由变成了 3类, 7类其实只有再没有 no-summary 才启效, 否则屏蔽在 3类下.
redistribute eigrp 100 metric 10 subnets // 把 eigrp 注入 ospf
network 192.168.10.0 0.0.0.255 area 2 // 宣告
network 192.168.20.0 0.0.0.255 area 0 // 宣告
network 192.168.50.3 0.0.0.0 area 0 // 宣告
!
ip classless
no ip http server
!
!
!
!
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
stopbits 1
line aux 0
line vty 0 4
password 123
login
!
!
end
r3#show ip ospf database database-summary
OSPF Router with ID (192.168.50.3) (Process ID 1)
Area 0 database summary
LSA Type Count Delete Maxage
Router 2 0 0
Network 1 0 0
Summary Net 6 0 0
Summary ASBR 0 0 0
Type-7 Ext 0 0 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Subtotal 9 0 0
Area 2 database summary
LSA Type Count Delete Maxage
Router 2 0 0
Network 1 0 0
Summary Net 1 0 0
Summary ASBR 0 0 0
Type-7 Ext 3 0 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Subtotal 7 0 0
Process 1 database summary
LSA Type Count Delete Maxage
Router 4 0 0
Network 2 0 0
Summary Net 7 0 0
Summary ASBR 0 0 0
Type-7 Ext 3 0 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Type-5 Ext 5 0 0
Opaque AS 0 0 0
Total 21 0 0
r3#show 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
192.168.30.0/24 is variably subnetted, 2 subnets, 2 masks
O IA 192.168.30.1/32 [110/3] via 192.168.20.1, 00:14:06, FastEthernet0/0
O IA 192.168.30.8/29 [110/2] via 192.168.20.1, 00:14:06, FastEthernet0/0
192.168.10.0/27 is subnetted, 1 subnets
C 192.168.10.0 is directly connected, FastEthernet2/0
172.19.0.0/25 is subnetted, 1 subnets
O N2 172.19.35.0 [110/10] via 192.168.10.2, 00:14:06, FastEthernet2/0 // LSA 7 类 从 RIP 泛洪在 nssa区域获得
192.168.20.0/30 is subnetted, 1 subnets
C 192.168.20.0 is directly connected, FastEthernet0/0
10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 10.2.2.0/24 [90/156160] via 10.1.1.6, 00:51:36, FastEthernet1/0
C 10.1.1.0/29 is directly connected, FastEthernet1/0
192.168.50.0/24 is variably subnetted, 6 subnets, 2 masks
O IA 192.168.50.2/32 [110/2] via 192.168.20.1, 00:14:07, FastEthernet0/0
C 192.168.50.3/32 is directly connected, Loopback0
O N2 192.168.50.0/24 [110/10] via 192.168.10.2, 00:02:20, FastEthernet2/0 // LSA 7 类 从 RIP 泛洪在 nssa区域获得
O IA 192.168.50.1/32 [110/3] via 192.168.20.1, 00:14:07, FastEthernet0/0
D 192.168.50.4/32 [90/156160] via 10.1.1.6, 00:51:37, FastEthernet1/0 // eigrp 注入获得
O 192.168.50.5/32 [110/2] via 192.168.10.2, 00:14:07, FastEthernet2/0
r3#10.1.1.6 //telnet 到 r 4
Trying 10.1.1.6 ... Open
User Access Verification
Password:
r4>en
Password:
r4#show run
Building configuration...
Current configuration : 861 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname r4
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$KN2Y$79ZsH8DmO6F8LDMoKYk5p.
!
no aaa new-model
ip subnet-zero
!
!
no ip domain lookup
!
ip cef
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Loopback0
ip address 192.168.50.4 255.255.255.255
!
interface Loopback1
ip address 10.2.2.2 255.255.255.0
!
interface FastEthernet0/0
ip address 10.1.1.6 255.255.255.252
duplex half
!
interface FastEthernet1/0
no ip address
shutdown
duplex half
!
router eigrp 100 //启动 eigrp 进程 ,进程号于 r 3 相同
network 10.0.0.0 // 宣告
network 192.168.50.0 // 宣告
no auto-summary
!
router ospf 1
log-adjacency-changes
area 2 nssa
!
ip classless
no ip http server
!
!
!
!
!
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
stopbits 1
line aux 0
line vty 0 4
password 123
login
!
!
end
r4#show ip ospf database DAtabase-summary
OSPF Router with ID (192.168.50.4) (Process ID 1)
Area 2 database summary
LSA Type Count Delete Maxage
Router 0 0 0
Network 0 0 0
Summary Net 0 0 0
Summary ASBR 0 0 0
Type-7 Ext 0 0 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Subtotal 0 0 0
Process 1 database summary
LSA Type Count Delete Maxage
Router 0 0 0
Network 0 0 0
Summary Net 0 0 0
Summary ASBR 0 0 0
Type-7 Ext 0 0 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Type-5 Ext 0 0 0
Opaque AS 0 0 0
Total 0 0 0
r4#show 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
192.168.30.0/24 is variably subnetted, 2 subnets, 2 masks
D EX 192.168.30.1/32 [170/53760] via 10.1.1.5, 00:28:28, FastEthernet0/0 // eigrp 从 ospf 注入的
D EX 192.168.30.8/29 [170/53760] via 10.1.1.5, 00:28:33, FastEthernet0/0
192.168.10.0/27 is subnetted, 1 subnets
D EX 192.168.10.0 [170/53760] via 10.1.1.5, 00:50:41, FastEthernet0/0
172.19.0.0/25 is subnetted, 1 subnets
D EX 172.19.35.0 [170/53760] via 10.1.1.5, 00:19:21, FastEthernet0/0
192.168.20.0/30 is subnetted, 1 subnets
D EX 192.168.20.0 [170/53760] via 10.1.1.5, 00:50:41, FastEthernet0/0
10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 10.2.2.0/24 is directly connected, Loopback1
C 10.1.1.4/30 is directly connected, FastEthernet0/0
192.168.50.0/32 is subnetted, 5 subnets
D EX 192.168.50.2 [170/53760] via 10.1.1.5, 00:50:41, FastEthernet0/0
D EX 192.168.50.3 [170/53760] via 10.1.1.5, 00:49:42, FastEthernet0/0
D EX 192.168.50.1 [170/53760] via 10.1.1.5, 00:28:29, FastEthernet0/0
C 192.168.50.4 is directly connected, Loopback0
D EX 192.168.50.5 [170/53760] via 10.1.1.5, 00:19:22, FastEthernet0/0
r4#192.168.10.2 // telnet 到 r 5
Trying 192.168.10.2 ... Open
User Access Verification
Password:
r5>en
Password:
r5#show run
Building configuration...
Current configuration : 923 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname r5
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$pXvU$0p.wge6o4efg7WtWElv/e1
!
no aaa new-model
ip subnet-zero
!
!
no ip domain lookup
!
ip cef
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Loopback0
ip address 192.168.50.5 255.255.255.255
!
interface FastEthernet0/0
ip address 192.168.10.2 255.255.255.224
duplex half
!
interface FastEthernet1/0
ip address 172.19.35.15 255.255.255.128
duplex half
!
router ospf 1
log-adjacency-changes
area 2 nssa // nssa 区域内的路由器必须统一设置为nssa 区域
redistribute rip metric 10 subnets // 注入 rip 信息
network 192.168.10.0 0.0.0.31 area 2 // 宣告
network 192.168.50.5 0.0.0.0 area 2 // 宣告
!
router rip
redistribute ospf 1 metric 10 // 给rip 注入 ospf 信息
network 172.19.0.0 // 宣告
!
ip classless
no ip http server
!
!
!
!
!
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
stopbits 1
line aux 0
line vty 0 4
password 123
login
!
!
end
r5#show ip ospf database database-summary
OSPF Router with ID (192.168.50.5) (Process ID 1)
Area 2 database summary
LSA Type Count Delete Maxage
Router 2 0 0
Network 1 0 0
Summary Net 1 0 0
Summary ASBR 0 0 0
Type-7 Ext 2 0 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Subtotal 6 0 0
Process 1 database summary
LSA Type Count Delete Maxage
Router 2 0 0
Network 1 0 0
Summary Net 1 0 0
Summary ASBR 0 0 0
Type-7 Ext 2 0 0
Opaque Link 0 0 0
Opaque Area 0 0 0
Type-5 Ext 0 0 0
Opaque AS 0 0 0
Total 6 0 0
r5#show 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 192.168.10.1 to network 0.0.0.0
192.168.10.0/27 is subnetted, 1 subnets
C 192.168.10.0 is directly connected, FastEthernet0/0
172.19.0.0/25 is subnetted, 1 subnets
C 172.19.35.0 is directly connected, FastEthernet1/0
192.168.50.0/32 is subnetted, 1 subnets
C 192.168.50.5 is directly connected, Loopback0
O*IA 0.0.0.0/0 [110/2] via 192.168.10.1, 00:16:05, FastEthernet0/0 // 这里体现了 r3 作为 ASBR/ABR ,输入 no-summary no-redistribution 的功效
r5#172.19.35.1
Trying 172.19.35.1 ... Open
User Access Verification
Password:
r6>en
Password:
r6#show run
Building configuration...
Current configuration : 732 bytes
!
version 12.3
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname r6
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$MF75$hdDRi34xb6xvhNW4nvbn6.
!
no aaa new-model
ip subnet-zero
!
!
no ip domain lookup
!
ip cef
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
interface Loopback0
ip address 192.168.50.6 255.255.255.0
!
interface FastEthernet0/0
ip address 172.19.35.1 255.255.255.128
duplex half
!
interface FastEthernet1/0
no ip address
shutdown
duplex half
!
router rip // 开启 rip 进程
network 172.19.0.0 // 宣告
network 192.168.50.0 // 宣告
!
ip classless
no ip http server
!
!
!
!
!
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
stopbits 1
line aux 0
line vty 0 4
password 123
login
!
!
end
r6#show ip ospf database database-summary
r6#show 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 172.19.35.15 to network 0.0.0.0
R 192.168.10.0/24 [120/10] via 172.19.35.15, 00:00:04, FastEthernet0/0
172.19.0.0/25 is subnetted, 1 subnets
C 172.19.35.0 is directly connected, FastEthernet0/0
C 192.168.50.0/24 is directly connected, Loopback0
R* 0.0.0.0/0 [120/10] via 172.19.35.15, 00:00:04, FastEthernet0/0 // r 5 的默认在注入时也就注入了rip
r6#ping 10.2.2.2 //测试到 eigrp
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.2.2.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 260/268/296 ms
r6#ping 192.168.10.1 // 测试到远端
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.10.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 144/177/200 ms
