RIP路由汇总
拓扑图：
IP地址信息：
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部门
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有效地址
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网络号
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广播地址
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子网掩码
|
|
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PC1
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PC1:192.168.40.1--192.168.40.30
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192.168.40.0
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192.168.40.31
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255.255.255.224
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/27
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|
Pc2
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192.168.40.33 --192.168.40.62
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192.168.40.32
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192.168.40.63
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255.255.255.224
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/27
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Pc3
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192.168.40.65--192.168.40.94
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192.168.40.64
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192.168.40.95
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255.255.255.224
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/27
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Pc4
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192.168.40.97--192.168.40.110
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192.168.40.96
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192.168.40.111
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255.255.255.240
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/28
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R1<===>R5
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192.168.40.129 --192.168.40.130
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|
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255.255.255.252
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/30
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R2<===>R5
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192.168.40.133 --192.168.40.134
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|
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255.255.255.252
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/30
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R3<===>R5
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192.168.40.137 --192.168.40.138
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|
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255.255.255.252
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/30
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R4<===>R5
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192.168.40.141 --192.168.40.142
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|
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255.255.255.252
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/30
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R1>en
R1#conf t
R1(config)#line console 0
R1(config-line)#pass 12
R1(config-line)#pass 123
R1(config-line)#login
R1(config-line)#exit
R1(config)#line vty 0 4
R1(config-line)#pass 123
R1(config-line)#login //路由基本配置
R1(config-line)#exit
R1(config)#en
R1(config)#enable secret 123
R1(config)#int f1/0
R1(config-if)#ip add 192.168.40.1 255.255.255.224
R1(config-if)#no shut
R1(config-if)#exit
R1(config)#int s0/0
R1(config-if)#clock rate 64000
R1(config-if)#ip add 192.168.40.129 255.255.255.252
R1(config-if)#no shut
R1(config-if)#
--------------------------------------------------------------------
R1(config)#service dhcp
R1(config)#no ip dhcp conflict logging
R1(config)#ip dhcp pool CNC
R1(dhcp-config)#network 192.168.40.0 /27
R1(dhcp-config)#default-router 192.168.40.1 //配置DHCP服务
R1(dhcp-config)#domain-name 123.cn
R1(dhcp-config)#dns-server 202.102.224.68
R1(dhcp-config)#lease infinite
------------------------------------------------------------------------
R1(dhcp-config)#exit
------------------------------------------------------------------------
R1(config)#router rip
R1(config-router)#ver 2
R1(config-router)#net 192.168.40.0 //配置RIPv2协议 并取消自动汇总
R1(config-router)#net 192.168.40.0
R1(config-router)#no auto-summary
R1(config-router)#end
-----------------------------------------------------------------------------
...............................省略路由基本配置
-----------------------------------------------------------------------------
R2(config)#router rip
R2(config-router)#ver 2
R2(config-router)#no auto-summary
R2(config-router)#net 192.168.40.0 //配置RIPv2协议 并取消自动汇总
R2(config-router)#net 192.168.40.0
R2(config-router)#
--------------------------------------------------------------------------------
R3>en
R3#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R3(config)#line console 0
R3(config-line)#pass 123
R3(config-line)#login
R3(config-line)#exit
R3(config)#line vty 0 4
R3(config-line)#pass 123
R3(config-line)#login
R3(config-line)#exit
R3(config)#enable secret 123
R3(config)#int f1/0
R3(config-if)#ip add 192.168.40.65 255.255.255.224
R3(config-if)#no shut
R3(config-if)#exit
R3(config)#int s0/0
R3(config-if)#clock rate 64000
R3(config-if)#ip add 192.168.40.137 255.255.255.252
R3(config-if)#no shut
R3(config-if)#end
--------------------------------------------------------------------------
R3(config)#router rip
R3(config-router)#ver 2
R3(config-router)#no au
R3(config-router)#no auto-summary
R3(config-router)#net 192.168.40.0 //配置RIPv2协议 并取消自动汇总
R3(config-router)#net 192.168.40.0
R3(config-router)#
----------------------------------------------------------------------
R4>en
R4#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R4(config)#line console 0
R4(config-line)#pass 123
R4(config-line)#login
R4(config-line)#exit
R4(config)#line vty 0 4
R4(config-line)#pass 123
R4(config-line)#login
R4(config-line)#exit
R4(config)#enable secret 123
R4(config)#int f1/0
R4(config-if)#ip add 192.168.40.141 255.255.255.224
R4(config-if)#no shut
R4(config-if)#exit
R4(config-if)#int f1/0
R4(config-if)#ip add 192.168.40.97 255.255.255.224
R4(config-if)#no shut
R4(config-if)#int s0/0
R4(config-if)#clock rate 64000
R4(config-if)#ip add 192.168.40.141 255.255.255.252
R4(config-if)#no shut
-------------------------------------------------------------------------
R4(config)#router rip
R4(config-router)#ver 2
R4(config-router)#no auto
R4(config-router)#no auto-summary
R4(config-router)#net 192.168.40.0 //配置RIPv2协议 并取消自动汇总
R4(config-router)#net 192.168.40.0
R4(config-router)#
-----------------------------------------------------------------------
R5(config)#no router rip
R5(config)#router rip
R5(config-router)#ver 2
R5(config-router)#no auto-summary
R5(config-router)#net 192.168.40.0
R5(config-router)#net 192.168.40.0
R5(config-router)#net 192.168.40.0
R5(config-router)#net 192.168.40.0
R5(config-router)#net 10.10.10.0
R5(config-router)#exit
R5(config-if)#ip summary-address rip 192.168.40.0 255.255.255.0 //手动汇总到192.168.40.0
R5(config-if)#
----------------------------------------------------------------------------------------------
R6(config)#router rip
R6(config-router)#ver 2
R6(config-router)#no auto
R6(config-router)#no auto-summary
R6(config-router)#net 10.10.10.0
R6(config-router)#net 192.168.1.0
R6(config-router)#end
----------------------------------------------------------------------------------------------
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 not set
//这是在没有汇总情况下R6的路由表，详细记录了所有网络路由信息
192.168.40.0/24 is variably subnetted, 8 subnets, 2 masks
R 192.168.40.64/27 [120/2] via 10.10.10.1, 00:00:24, Serial1/0
R 192.168.40.96/27 [120/2] via 10.10.10.1, 00:00:24, Serial1/0
R 192.168.40.0/27 [120/2] via 10.10.10.1, 00:00:24, Serial1/0
R 192.168.40.32/27 [120/2] via 10.10.10.1, 00:00:24, Serial1/0
R 192.168.40.128/30 [120/1] via 10.10.10.1, 00:00:24, Serial1/0
R 192.168.40.132/30 [120/1] via 10.10.10.1, 00:00:24, Serial1/0
R 192.168.40.136/30 [120/1] via 10.10.10.1, 00:00:24, Serial1/0
R 192.168.40.140/30 [120/1] via 10.10.10.1, 00:00:24, Serial1/0
10.0.0.0/30 is subnetted, 1 subnets
C 10.10.10.0 is directly connected, Serial1/0
C 192.168.1.0/24 is directly connected, FastEthernet0/0
----------------------------------------------------------------------------------------------------------------
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 not set //这是汇总后的路由信息。
R 192.168.40.0/24 [120/1] via 10.10.10.1, 00:00:28, Serial1/0
10.0.0.0/30 is subnetted, 1 subnets
C 10.10.10.0 is directly connected, Serial1/0
C 192.168.1.0/24 is directly connected, FastEthernet0/0
R6#
-------------------------------------------------------------------------------------------------------------------
通过本实验说明了一个问题，那就是子网划分后的网络问题。那就是会增加核心路由的路由表。
路由信息增多，导致查询路由信息慢，从而影响网络整体性能。解决这样的问题就是汇总，将划分过的子网综合到一个网络IP地址。
