OSPF多区域.docx

OSPF多区域.docx

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OSPF多区域

OSPF多区域

1、实验目标：

用OSPF多区域实现全网互连；

计算路由的cost值；

分析各类LAS传输过程；

OSPF区域路由汇总，外部路由汇总；

配置Stub，Nssa区域，分析LSA

2、网络拓扑图：

3、配置：

OSPF多区域基本配置

IP地址配置如图所示，所有S口bandwidth1000，便于计算路由COST值

每台路由器上都配置Loopback0，选举为Router-id

r1#showrun

routerospf10

log-adjacency-changes

passive-interfaceEthernet3/0业务网段配置成被动接口，不建立邻居

network1.1.1.10.0.0.0area0

network10.0.15.00.0.0.3area0

network10.1.1.00.0.0.255area1

network10.1.13.00.0.0.3area1

r2#showrun

routerospf10

log-adjacency-changes

redistributeripmetric1000metric-type1subnets把RIP重发布成OSPF，度量为1000

passive-interfaceEthernet3/0被动接口

network2.2.2.20.0.0.0area2

network10.2.2.00.0.0.255area2

network10.2.26.00.0.0.3area2

!

routerrip

version2版本RIPv2

timersbasic10303040RIP计时器

redistributeospf10metric5把OSPF重发布成RIP，5跳

network172.16.0.0

noauto-summary关闭RIPv2的自动汇总

r3#showrun

routerospf10

log-adjacency-changes

passive-interfaceEthernet3/0

network3.3.3.30.0.0.0area1

network10.1.3.00.0.0.255area1

network10.1.13.00.0.0.3area1

r4#showrun

routerrip

version2

timersbasic10303040

network4.0.0.0

network172.16.0.0

noauto-summary

r5#showrun

routerospf10

log-adjacency-changes

redistributeconnectedmetric10subnets重发布直连网段

passive-interfaceEthernet3/0

network5.5.5.50.0.0.0area0

network10.0.5.00.0.0.255area0

network10.0.15.00.0.0.3area0

network10.0.56.00.0.0.3area0

default-informationoriginatealwaysmetric2000metric-type1下发缺省路由

r6#showrun

routerospf10

log-adjacency-changes

passive-interfaceEthernet3/0

network6.6.6.60.0.0.0area0

network10.0.56.00.0.0.3area0

network10.2.6.00.0.0.255area2

network10.2.26.00.0.0.3area2

查看路由表

r1#showiproute

1.0.0.0/32issubnetted,1subnets

C1.1.1.1isdirectlyconnected,Loopback0

2.0.0.0/32issubnetted,1subnets

OIA2.2.2.2[110/301]via10.0.15.2,00:

04:

50,Serial0/2通过R6发LSA3学到

3.0.0.0/32issubnetted,1subnets

O3.3.3.3[110/101]via10.1.13.2,00:

04:

50,Serial0/0Area0内的LSA1

4.0.0.0/32issubnetted,1subnets

OE14.4.4.4[110/1300]via10.0.15.2,00:

04:

50,Serial0/2RIP重发布的路由，LAS5洪泛

5.0.0.0/32issubnetted,1subnets

O5.5.5.5[110/101]via10.0.15.2,00:

05:

00,Serial0/2

6.0.0.0/32issubnetted,1subnets

O6.6.6.6[110/201]via10.0.15.2,00:

05:

00,Serial0/2

172.16.0.0/16isvariablysubnetted,2subnets,2masksRIP重发布的路由，LAS5洪泛

OE1172.16.24.0/30[110/1300]via10.0.15.2,00:

04:

51,Serial0/2

OE1172.16.4.0/24[110/1300]via10.0.15.2,00:

04:

51,Serial0/2

10.0.0.0/8isvariablysubnetted,10subnets,2masks

C10.0.15.0/30isdirectlyconnected,Serial0/2

C10.1.13.0/30isdirectlyconnected,Serial0/0

O10.1.3.0/24[110/110]via10.1.13.2,00:

04:

51,Serial0/0

OIA10.2.2.0/24[110/310]via10.0.15.2,00:

04:

51,Serial0/2

C10.1.1.0/24isdirectlyconnected,Ethernet3/0

OIA10.2.6.0/24[110/210]via10.0.15.2,00:

04:

51,Serial0/2

O10.0.5.0/24[110/110]via10.0.15.2,00:

05:

01,Serial0/2

OIA10.2.26.0/30[110/300]via10.0.15.2,00:

04:

51,Serial0/2

O10.0.56.0/30[110/200]via10.0.15.2,00:

05:

01,Serial0/2

OE210.0.50.0/24[110/10]via10.0.15.2,00:

04:

51,Serial0/2外部路由，LSA5，E2为10

O*E10.0.0.0/0[110/2100]via10.0.15.2,00:

04:

51,Serial0/2

R5下发的缺省路由，E1=2000+100，2000是外部路由的代价，100为S口代价

r2#showiproute

1.0.0.0/32issubnetted,1subnets

OIA1.1.1.1[110/301]via10.2.26.2,00:

06:

27,Serial0/2loopback口cost+1

2.0.0.0/32issubnetted,1subnets

C2.2.2.2isdirectlyconnected,Loopback0

3.0.0.0/32issubnetted,1subnets

OIA3.3.3.3[110/401]via10.2.26.2,00:

06:

17,Serial0/2

4.0.0.0/32issubnetted,1subnets

R4.4.4.4[120/1]via172.16.24.2,00:

00:

00,Serial0/0

5.0.0.0/32issubnetted,1subnets

OIA5.5.5.5[110/201]via10.2.26.2,00:

43:

38,Serial0/2

6.0.0.0/32issubnetted,1subnets

OIA6.6.6.6[110/101]via10.2.26.2,00:

43:

38,Serial0/2

172.16.0.0/16isvariablysubnetted,2subnets,2masks

C172.16.24.0/30isdirectlyconnected,Serial0/0

R172.16.4.0/24[120/1]via172.16.24.2,00:

00:

01,Serial0/0

10.0.0.0/8isvariablysubnetted,10subnets,2masks

OIA10.0.15.0/30[110/300]via10.2.26.2,00:

43:

38,Serial0/2

OIA10.1.13.0/30[110/400]via10.2.26.2,00:

06:

28,Serial0/2

OIA10.1.3.0/24[110/410]via10.2.26.2,00:

06:

18,Serial0/2

C10.2.2.0/24isdirectlyconnected,Ethernet3/0

OIA10.1.1.0/24[110/310]via10.2.26.2,00:

06:

28,Serial0/2

O10.2.6.0/24[110/110]via10.2.26.2,00:

43:

38,Serial0/2

OIA10.0.5.0/24[110/210]via10.2.26.2,00:

43:

38,Serial0/2

C10.2.26.0/30isdirectlyconnected,Serial0/2

OIA10.0.56.0/30[110/200]via10.2.26.2,00:

43:

38,Serial0/2

OE210.0.50.0/24[110/10]via10.2.26.2,00:

06:

13,Serial0/2E2不计算内部路由，全为10

O*E10.0.0.0/0[110/2200]via10.2.26.2,00:

06:

13,Serial0/2

r3#showiproute

1.0.0.0/32issubnetted,1subnets

OIA1.1.1.1[110/101]via10.1.13.1,00:

06:

37,Serial0/0

2.0.0.0/32issubnetted,1subnets

OIA2.2.2.2[110/401]via10.1.13.1,00:

06:

37,Serial0/0

3.0.0.0/32issubnetted,1subnets

C3.3.3.3isdirectlyconnected,Loopback0

4.0.0.0/32issubnetted,1subnets

OE14.4.4.4[110/1400]via10.1.13.1,00:

06:

37,Serial0/0

5.0.0.0/32issubnetted,1subnets

OIA5.5.5.5[110/201]via10.1.13.1,00:

06:

37,Serial0/0

6.0.0.0/32issubnetted,1subnets

OIA6.6.6.6[110/301]via10.1.13.1,00:

06:

37,Serial0/0

172.16.0.0/16isvariablysubnetted,2subnets,2masks

OE1172.16.24.0/30[110/1400]via10.1.13.1,00:

06:

37,Serial0/0

OE1172.16.4.0/24[110/1400]via10.1.13.1,00:

06:

37,Serial0/0

10.0.0.0/8isvariablysubnetted,10subnets,2masks

OIA10.0.15.0/30[110/200]via10.1.13.1,00:

06:

37,Serial0/0

C10.1.13.0/30isdirectlyconnected,Serial0/0

C10.1.3.0/24isdirectlyconnected,Ethernet3/0

OIA10.2.2.0/24[110/410]via10.1.13.1,00:

06:

37,Serial0/0

O10.1.1.0/24[110/110]via10.1.13.1,00:

06:

37,Serial0/0

OIA10.2.6.0/24[110/310]via10.1.13.1,00:

06:

37,Serial0/0

OIA10.0.5.0/24[110/210]via10.1.13.1,00:

06:

37,Serial0/0

OIA10.2.26.0/30[110/400]via10.1.13.1,00:

06:

37,Serial0/0

OIA10.0.56.0/30[110/300]via10.1.13.1,00:

06:

37,Serial0/0

OE210.0.50.0/24[110/10]via10.1.13.1,00:

06:

37,Serial0/0

O*E10.0.0.0/0[110/2200]via10.1.13.1,00:

06:

37,Serial0/0

r4#showiproute

1.0.0.0/32issubnetted,1subnets

R1.1.1.1[120/5]via172.16.24.1,00:

00:

03,Serial0/0

2.0.0.0/32issubnetted,1subnets

R2.2.2.2[120/5]via172.16.24.1,00:

00:

03,Serial0/0

3.0.0.0/32issubnetted,1subnets

R3.3.3.3[120/5]via172.16.24.1,00:

00:

03,Serial0/0

4.0.0.0/32issubnetted,1subnets

C4.4.4.4isdirectlyconnected,Loopback0

5.0.0.0/32issubnetted,1subnets

R5.5.5.5[120/5]via172.16.24.1,00:

00:

03,Serial0/0

6.0.0.0/32issubnetted,1subnets

R6.6.6.6[120/5]via172.16.24.1,00:

00:

03,Serial0/0

172.16.0.0/16isvariablysubnetted,2subnets,2masks

C172.16.24.0/30isdirectlyconnected,Serial0/0

C172.16.4.0/24isdirectlyconnected,Ethernet3/0

10.0.0.0/8isvariablysubnetted,10subnets,2masks

R10.0.15.0/30[120/5]via172.16.24.1,00:

00:

03,Serial0/0

R10.1.13.0/30[120/5]via172.16.24.1,00:

00:

03,Serial0/0

R10.1.3.0/24[120/5]via172.16.24.1,00:

00:

03,Serial0/0

R10.2.2.0/24[120/5]via172.16.24.1,00:

00:

03,Serial0/0

R10.1.1.0/24[120/5]via172.16.24.1,00:

00:

03,Serial0/0

R10.2.6.0/24[120/5]via172.16.24.1,00:

00:

03,Serial0/0

R10.0.5.0/24[120/5]via172.16.24.1,00:

00:

03,Serial0/0

R10.2.26.0/30[120/5]via172.16.24.1,00:

00:

03,Serial0/0

R10.0.56.0/30[120/5]via172.16.24.1,00:

00:

03,Serial0/0

R10.0.50.0/24[120/5]via172.16.24.1,00:

00:

03,Serial0/0

R*0.0.0.0/0[120/5]via172.16.24.1,00:

00:

03,Serial0/0

重发布的路由，RIP代价全为5跳

r5#showiproute

1.0.0.0/32issubnetted,1subnets

O1.1.1.1[110/101]via10.0.15.1,00:

07:

21,Serial0/0

2.0.0.0/32issubnetted,1subnets

OIA2.2.2.2[110/201]via10.0.56.2,00:

07:

21,Serial0/1

3.0.0.0/32issubnetted,1subnets

OIA3.3.3.3[110/201]via10.0.15.1,00:

07:

11,Serial0/0

4.0.0.0/32issubnetted,1subnets

OE14.4.4.4[110/1200]via10.0.56.2,00:

07:

06,Serial0/1

5.0.0.0/32issubnetted,1subnets

C5.5.5.5isdirectlyconnected,Loopback0

6.0.0.0/32issubnetted,1subnets

O6.6.6.6[110/101]via10.0.56.2,00:

07:

21,Serial0/1

172.16.0.0/16isvariablysubnetted,2subnets,2masks

OE1172.16.24.0/30[110/1200]via10.0.56.2,00:

07:

07,Serial0/1

OE1172.16.4.0/24[110/1200]via10.0.56.2,00:

07:

07,Serial0/1

10.0.0.0/8isvariablysubnetted,10subnets,2masks

C10.0.15.0/30isdirectlyconnected,Serial0/0

OIA10.1.13.0/30[110/200]via10.0.15.1,00:

07:

22,Serial0/0

OIA10.1.3.0/24[110/210]via10.0.15.1,00:

07:

12,Serial0/0

OIA10.2.2.0/24[110/210]via10.0.56.2,00:

07:

22,Serial0/1

OIA10.1.1.0/24[110/110]via10.0.15.1,00:

07:

22,Serial0/0

OIA10.2.6.0/24[110/110]via10.0.56.2,00:

07:

22,Serial0/1

C10.0.5.0/24isdirectlyconnected,Ethernet3/0

OIA10.2.26.0/30[110/200]via10.0.56.2,00:

07:

22,Serial0/1

C10.0.56.0/30isdirectlyconnected,Serial0/1

C10.0.50.0/24isdirectlyconnected,Ethernet3/1

R5本身没有LSA3缺省路由，因为是直连的

r6#showiproute

1.0.0.0/32issubnetted,1subnets

O1.1.1.1[110/201]via10.0.56.1,00:

07:

37,Serial0/1

2.0.0.0/32issubnetted,1subnets

O2.2.2.2[110/101]via10.2.26.1,00:

44:

40,Serial0/0

3.0.0.0/32issubnetted,1subnets

OIA3.3.3.3[110/301]via10.0.56.1,00:

07:

26,Serial0/1

4.0.0.0/32issubnetted,1subnets

OE14.4.4.4[110/1100]via10.2.26.1,00:

07:

22,Serial0/0

5.0.0.0/32issubnetted,1subnets

O5.5.5.5[110/101]via10.0.56.1,00:

07:

37,Serial0/1

6.0.0.0/32issubnetted,1subnets

C6.6.6.6isdirectlyconnected,Loopback0

172.16.0.0/16isvariablysubnetted,2subnets,2masks

OE1172.16.24.0/30[110/1100]via10.2.26.1,00:

07:

22,Serial0/0

OE1172.16.4.0/24[110/1100]via10.2.26.1,00:

07