路由重分發

時間 2020-07-18

標籤路由分發欄目系統網絡简体版

原文原文鏈接

路由重發布redis

爲何要採用路由重發布？網絡

在一個大型的企業網絡中可能會採用不一樣的路由協議（rip,ospf,static），爲了實現多種路由協議的協同工做，路由器能夠經過路由的重分發將學到的一種路由協議重分發到另外的一種路由協議中，從而使得整個網絡能夠互相連通。less

拓撲圖：ide

R1路由重發布的配置：oop

r1#show running-config學習

Building configuration...測試

Current configuration : 919 bytesui

version 12.4spa

no service timestamps log datetime msecdebug

no service timestamps debug datetime msec

no service password-encryption

hostname r1

interface FastEthernet0/0

ip address 192.168.3.1 255.255.255.0

duplex auto

speed auto

interface FastEthernet0/1

ip address 192.168.1.2 255.255.255.0

duplex auto

speed auto

interface Serial0/0/0

ip address 192.168.4.1 255.255.255.0

clock rate 9600

router ospf 1 ###在ospf路由協議中從新發布rip, connected,static等路由協議###

log-adjacency-changes

redistribute rip subnets

redistribute static

redistribute connected

network 192.168.3.0 0.0.0.255 area 0

router rip###在rip路由協議中從新發布ospf, connected,static等路由協議###

redistribute ospf 1 metric 3

redistribute static metric 1

redistribute connected metric 1

network 192.168.1.0

ip classless

ip route 0.0.0.0 0.0.0.0 192.168.4.2

line con 0

line vty 0 4

路由未重發布前：

各路由器的路由表：

R0路由器

r0#show ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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

C 192.168.1.0/24 is directly connected, FastEthernet0/1

C 192.168.2.0/24 is directly connected, Loopback0

r0#

R1路由器

r1#show ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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 192.168.4.2 to network 0.0.0.0

C 192.168.1.0/24 is directly connected, FastEthernet0/1

R 192.168.2.0/24 [120/1] via 192.168.1.1, 00:00:06, FastEthernet0/1rip學到的r0

C 192.168.3.0/24 is directly connected, FastEthernet0/0

C 192.168.4.0/24 is directly connected, Serial0/0/0

192.168.5.0/32 is subnetted, 1 subnets

O 192.168.5.1 [110/2] via 192.168.3.2, 00:23:05, FastEthernet0/0ospf學到的r2

S* 0.0.0.0/0 [1/0] via 192.168.4.2

r1#

R2路由器

r2#show ip rou

r2#show ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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

C 192.168.3.0/24 is directly connected, FastEthernet0/0

C 192.168.5.0/24 is directly connected, Loopback0

R3路由器

r3#show ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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 192.168.4.1 to network 0.0.0.0

C 192.168.4.0/24 is directly connected, Serial0/0/0

C 192.168.6.0/24 is directly connected, Loopback0

S* 0.0.0.0/0 [1/0] via 192.168.4.1

路由重發布後：

R0路由器(發生變化)

r0#show ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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 192.168.1.2 to network 0.0.0.0

C 192.168.1.0/24 is directly connected, FastEthernet0/1

C 192.168.2.0/24 is directly connected, Loopback0

R 192.168.3.0/24 [120/3] via 192.168.1.2, 00:06:43, FastEthernet0/1 ospf

R 192.168.4.0/24 [120/1] via 192.168.1.2, 00:10:59, FastEthernet0/1直連

R 192.168.5.0/24 [120/3] via 192.168.1.2, 00:06:43, FastEthernet0/1 ospf

R* 0.0.0.0/0 [120/1] via 192.168.1.2, 00:10:41, FastEthernet0/1 靜態

r0#

R1路由器（未發生變化）

r1#show ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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 192.168.4.2 to network 0.0.0.0

C 192.168.1.0/24 is directly connected, FastEthernet0/1

R 192.168.2.0/24 [120/1] via 192.168.1.1, 00:00:14, FastEthernet0/1

C 192.168.3.0/24 is directly connected, FastEthernet0/0

C 192.168.4.0/24 is directly connected, Serial0/0/0

192.168.5.0/32 is subnetted, 1 subnets

O 192.168.5.1 [110/2] via 192.168.3.2, 00:43:15, FastEthernet0/0

S* 0.0.0.0/0 [1/0] via 192.168.4.2

R2路由器（發生變化）

r2#show ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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

O E2 192.168.1.0/24 [110/20] via 192.168.3.1, 00:09:45, FastEthernet0/0

O E2 192.168.2.0/24 [110/20] via 192.168.3.1, 00:09:12, FastEthernet0/0

C 192.168.3.0/24 is directly connected, FastEthernet0/0

O E2 192.168.4.0/24 [110/20] via 192.168.3.1, 00:09:45, FastEthernet0/0

C 192.168.5.0/24 is directly connected, Loopback0

r2#

R3路由器

r3#show ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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 192.168.4.1 to network 0.0.0.0

C 192.168.4.0/24 is directly connected, Serial0/0/0

C 192.168.6.0/24 is directly connected, Loopback0

S* 0.0.0.0/0 [1/0] via 192.168.4.1

r3#

測試連通性

R0---R2

r0#ping 192.168.5.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.5.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 62/62/63 ms

R0---R3

r0#ping 192.168.6.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.6.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 47/59/63 ms

r0#

R3---R0

r3#ping 192.168.2.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.2.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 48/59/63 ms

r3#

R3---R2

r3#ping 192.168.5.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.5.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 62/65/79 ms

R2---R0

r2#ping 192.168.2.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.2.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 46/58/62 ms

R2---R3(沒有ping同不知道爲何，靜態路由沒有學習到)哪位大蝦請教下

r2#ping 192.168.6.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.6.1, timeout is 2 seconds:

.....

Success rate is 0 percent (0/5)

解決辦法：在r2上面配置一條默認路由

ip route 0.0.0.0 0.0.0.0 192.168.3.1

再次測試：

R2---R3(ping同)

r2#ping 192.168.6.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.6.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 47/59/63 ms

後續：在R0路由器中

router ospf 1 ###在ospf路由協議中從新發布rip, connected,static等路由協議###

log-adjacency-changes

redistribute rip subnets

redistribute static

default-information originate 增長這一條

redistribute connected

network 192.168.3.0 0.0.0.255 area 0

而後查看：

r2#show ip route

Codes: C - connected, S - static, I - IGRP, 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, E - EGP

i - IS-IS, 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 192.168.3.1 to network 0.0.0.0

O E2 192.168.1.0/24 [110/20] via 192.168.3.1, 00:18:28, FastEthernet0/0

O E2 192.168.2.0/24 [110/20] via 192.168.3.1, 00:18:28, FastEthernet0/0

C 192.168.3.0/24 is directly connected, FastEthernet0/0

O E2 192.168.4.0/24 [110/20] via 192.168.3.1, 00:18:28, FastEthernet0/0

C 192.168.5.0/24 is directly connected, Loopback0

O*E2 0.0.0.0/0 [110/1] via 192.168.3.1, 00:00:30, FastEthernet0/0

R2---R3(ping同)

r2#ping 192.168.6.1

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.6.1, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 47/59/63 ms

資料下載地址：http://down.51cto.com/data/547622

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