ospf多区域配置

博主：远方
发布时间：2021 年 08 月 16 日
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分类：数通中级

屏幕截图 2021-08-16 170337.png

R1

syst
sysn R1
int g0/0/1
ip add 100.100.100.2 24
int s0/0/1
ip add 10.0.12.1 24
int g0/0/0
ip add 10.0.1.1 24
int loopback0
ip add 1.1.1.1 32

R2

syst
sysn R2
int g0/0/2
ip add 10.0.23.2 24
int s0/0/2
ip add 10.0.12.2 24
int g0/0/0
ip add 10.0.2.2 24
int loopback0
ip add 2.2.2.2 32

R3

syst
sysn R3
int g0/0/3
ip add 10.0.23.3 24
int g0/0/0
ip add 10.0.3.3 24
int g0/0/1
ip add 10.0.34.3 24
int loopback0
ip add 3.3.3.3 32

R4

syst
sysn R4
int g0/0/1
ip add 10.0.34.4 24
int g0/0/0
ip add 10.0.4.4 24
int loopback0
ip add 4.4.4.4 32

R1

ospf
area 1
network 10.0.0.0 0.255.255.255
quit 

#默认路由
sys
ip route-s 0.0.0.0 0.0.0.0 100.100.100.1
ospf 1
 default-route-adv

R1,R2,R3,R4
dis ip rout
dis ip rout pro ospf

R2

ospf
area 0
network 10.0.23.0 0.0.0.255
area 1
network 10.0.12.0 0.0.0.255
area 2
network 10.0.2.0 0.0.0.255
quit

R3

ospf
area 0
network 10.0.23.0 0.0.0.255
area 3
network 10.0.3.0 0.0.0.255
area 4
network 10.0.34.0 0.0.0.255
quit

R4

ospf
area 4
network 10.0.0.0 0.255.255.255
quit

查看相关ospf配置

display ip routing-table protocol ospf
display ospf brief 
display ospf peer brief
display ospf lsdb

OSPF度量：（dis ospf int 接口号）

Cost=参考带宽/实际带宽
默认参考带宽=100M，即Cost=100M/实际带宽，结果小于1时，Cost取1。Cost范围1—65535。

R4

dis ospf int g0/0/0
sys
ospf 1
 band 10000

dis ospf int g0/0/0

R4

sys
int g0/0/2
 ip add 192.168.10.1 24
ospf 1
 area 0
 net 192.168.10.1 0.0.0.0

R1,R3,R2

dis ip rout pro ospf

R3

return
dis ospf int
sys
ospf 1
 area 4
 vlink-peer 10.0.34.4

R4

return
dis ospf int
sys
ospf 1
 area 4
 vlink-peer 10.0.23.3

R1,R3,R2

dis ip rout pro ospf

1.R4

sys
int loop1
ip add 172.16.8.1 255.255.255.0
ospf net bro
int loop2
ip add 172.16.9.1 255.255.255.0
ospf net bro
int loop3
ip add 172.16.10.1 255.255.255.0
ospf net bro
int loop4
ip add 172.16.11.1 255.255.255.0
ospf net bro
ospf 1
area 4
net 172.16.0.0 0.0.255.255

R1

dis ip rout pro ospf

R3

ospf 1
area 4
abr-summary 172.16.8.0 255.255.252.0

R1

dis ip rout pro ospf

2.R1

sys
int loop1
ip add 123.16.8.1 255.255.255.0
int loop2
ip add 123.16.9.1 255.255.255.0
int loop3
ip add 123.16.10.1 255.255.255.0
int loop4
ip add 123.16.11.1 255.255.255.0
ospf 2
area 0
net 123.16.0.0 0.0.255.255
ospf 1
import-route ospf 2

R4,R3.R2

dis ip rout pro ospf

R1

ospf 1
asbr-summary 123.16.8.0 255.255.252.0

R4,R3.R2

dis ip rout pro ospf

R4

return
u t m
dis ospf lsdb
sys
int g0/0/0
shundo sh

 ospf cost 123

 undo ospf cost

dis ospf lsdb

R3,R4

两种加密方式

sys
int g0/0/1
ospf authen si 12345
returnsys
int g0/0/1
 ospf authen md5 1 12345
return


dis ospf peer

前面的实验你已经完成，后面的实验需要新开拓扑

R1

return
sys
int loop11
 ip add 123.1.1.1 24
ospf 2
 area 0
 net 123.1.1.1 0.0.0.0
ospf 1
 import-route ospf 2

R2.R3,R4

dis ip rout pro ospf

R1

sys
ospf 1
 import-route ospf 2

R2.R3,R4

dis ip rout pro ospf

R1

sys
ospf 1
import-route ospf 2 type 1

R2.R3,R4

dis ip rout pro ospf

Stub Area

R4
dis ip rout pro ospf

R3,R4
sys
ospf 1
 area 4
 stub

R3
sys
ospf 1
 area 4
 undo vlink-peer 10.0.34.4
 stub

R4
sys
ospf 1
 area 4
 undo vlink-peer 10.0.23.3
 stub


dis ip rout pro ospf

Totally Stub Area

R3
sys
ospf 1
 area 4
 stub no-summary

R4
sys
ospf 1
 area 4
 stub

dis ip rout pro ospf

R3
sys
int loop33
 ip add 10.3.3.3 24
 ospf net bro

ospf 1
 area 4
 net 10.3.3.3 0.0.0.0

R4
dis ip rout pro ospf

NSSA
R1

sys
int loop11
ip add 10.11.11.11 24
ospf 2
area 0
net 10.11.11.11 0.0.0.0
ospf 1
import-route ospf 2

R1,R2

sys
ospf 1
 area 1
 nssa

R2,R3

dis ospf lsdb
dis ip rout pro ospf

NSSA-Default-Router

R1
sys
ospf 1
 area 1
 nssa default-route-adv

R2
sys
ospf 1
 area 1
 nssa


R2,R3
dis ospf lsdb
dis ip rout pro ospf

最后修改：2024 年 06 月 05 日

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ospf多区域配置

远方 • 2021 年 08 月 16 日

<p><img src="https://www.runyf.cn/usr/uploads/2021/08/355223753.png" alt="屏幕截图 2021-08-16 170337.png" title="屏幕截图 2021-08-16 170337.png" style=""></p><p><div class="tab-container post_tab box-shadow-wrap-lg">
<ul class="nav no-padder b-b scroll-hide" role="tablist">
<li class='nav-item active' role="presentation"><a class='nav-link active' style="" data-toggle="tab" 
aria-controls='tabs-868c1febfcbb72a52553422e10e9262f950' role="tab" data-target='#tabs-868c1febfcbb72a52553422e10e9262f950'>配置IP地址</a></li><li class='nav-item ' role="presentation"><a class='nav-link ' style="" data-toggle="tab" 
aria-controls='tabs-4f960ab38617be439142f243276b228e531' role="tab" data-target='#tabs-4f960ab38617be439142f243276b228e531'>配置ospf多区域</a></li><li class='nav-item ' role="presentation"><a class='nav-link ' style="" data-toggle="tab" 
aria-controls='tabs-2d3a28ce5a705859fe12bdf39d5c54f7632' role="tab" data-target='#tabs-2d3a28ce5a705859fe12bdf39d5c54f7632'>修改开销</a></li><li class='nav-item ' role="presentation"><a class='nav-link ' style="" data-toggle="tab" 
aria-controls='tabs-a99a44d4d417b1a1f672da14bff28b4413' role="tab" data-target='#tabs-a99a44d4d417b1a1f672da14bff28b4413'>虚连接 vlink</a></li><li class='nav-item ' role="presentation"><a class='nav-link ' style="" data-toggle="tab" 
aria-controls='tabs-33dd01f9cac0614e0aadb87178c406a1644' role="tab" data-target='#tabs-33dd01f9cac0614e0aadb87178c406a1644'>路由汇总</a></li><li class='nav-item ' role="presentation"><a class='nav-link ' style="" data-toggle="tab" 
aria-controls='tabs-e5a8e7145d8dd65dee39deb7e1a3a214615' role="tab" data-target='#tabs-e5a8e7145d8dd65dee39deb7e1a3a214615'>ospf更新机制</a></li><li class='nav-item ' role="presentation"><a class='nav-link ' style="" data-toggle="tab" 
aria-controls='tabs-153f44ec9b7666a77bda3b52d8698c51636' role="tab" data-target='#tabs-153f44ec9b7666a77bda3b52d8698c51636'>ospf认证</a></li><li class='nav-item ' role="presentation"><a class='nav-link ' style="" data-toggle="tab" 
aria-controls='tabs-6ec101c2d09b8b710795a408ca388c19337' role="tab" data-target='#tabs-6ec101c2d09b8b710795a408ca388c19337'>外部路由引入</a></li><li class='nav-item ' role="presentation"><a class='nav-link ' style="" data-toggle="tab" 
aria-controls='tabs-13dc20e95e4850ecb87c7323722ad333368' role="tab" data-target='#tabs-13dc20e95e4850ecb87c7323722ad333368'>外部路由的类型</a></li><li class='nav-item ' role="presentation"><a class='nav-link ' style="" data-toggle="tab" 
aria-controls='tabs-b0eedcd7a8abb30e2779d7477e3cb714649' role="tab" data-target='#tabs-b0eedcd7a8abb30e2779d7477e3cb714649'>NSSA Not-So-Stubby Area</a></li>
</ul>
<div class="tab-content no-border">
<div role="tabpanel" id='tabs-868c1febfcbb72a52553422e10e9262f950' class="tab-pane fade active in">
            </p><h4>R1</h4><pre><code class="lang-shell">syst
sysn R1
int g0/0/1
ip add 100.100.100.2 24
int s0/0/1
ip add 10.0.12.1 24
int g0/0/0
ip add 10.0.1.1 24
int loopback0
ip add 1.1.1.1 32</code></pre><h4>R2</h4><pre><code class="lang-shell">syst
sysn R2
int g0/0/2
ip add 10.0.23.2 24
int s0/0/2
ip add 10.0.12.2 24
int g0/0/0
ip add 10.0.2.2 24
int loopback0
ip add 2.2.2.2 32</code></pre><h4>R3</h4><pre><code class="lang-shell">syst
sysn R3
int g0/0/3
ip add 10.0.23.3 24
int g0/0/0
ip add 10.0.3.3 24
int g0/0/1
ip add 10.0.34.3 24
int loopback0
ip add 3.3.3.3 32</code></pre><h4>R4</h4><pre><code class="lang-shell">syst
sysn R4
int g0/0/1
ip add 10.0.34.4 24
int g0/0/0
ip add 10.0.4.4 24
int loopback0
ip add 4.4.4.4 32</code></pre><p></div><div role="tabpanel" id='tabs-4f960ab38617be439142f243276b228e531' class="tab-pane fade  ">
            </p><h4>R1</h4><pre><code class="lang-shell">ospf
area 1
network 10.0.0.0 0.255.255.255
quit

#默认路由
sys
ip route-s 0.0.0.0 0.0.0.0 100.100.100.1
ospf 1
 default-route-adv

R1,R2,R3,R4
dis ip rout
dis ip rout pro ospf</code></pre><h4>R2</h4><pre><code class="lang-shell">ospf
area 0
network 10.0.23.0 0.0.0.255
area 1
network 10.0.12.0 0.0.0.255
area 2
network 10.0.2.0 0.0.0.255
quit</code></pre><h4>R3</h4><pre><code class="lang-shell">ospf
area 0
network 10.0.23.0 0.0.0.255
area 3
network 10.0.3.0 0.0.0.255
area 4
network 10.0.34.0 0.0.0.255
quit</code></pre><h4>R4</h4><pre><code class="lang-shell">ospf
area 4
network 10.0.0.0 0.255.255.255
quit</code></pre><h4>查看相关ospf配置</h4><pre><code class="lang-shell">display ip routing-table protocol ospf
display ospf brief 
display ospf peer brief
display ospf lsdb</code></pre><p></div><div role="tabpanel" id='tabs-2d3a28ce5a705859fe12bdf39d5c54f7632' class="tab-pane fade  ">
            </p><h4>OSPF度量：（dis  ospf  int 接口号）</h4><p>Cost=参考带宽/实际带宽<br>默认参考带宽=100M，即Cost=100M/实际带宽，结果小于1时，Cost取1。Cost范围1—65535。</p><h4>R4</h4><pre><code class="lang-shell">dis ospf int g0/0/0
sys
ospf 1
 band 10000

dis ospf int g0/0/0</code></pre><p></div><div role="tabpanel" id='tabs-a99a44d4d417b1a1f672da14bff28b4413' class="tab-pane fade  ">
            </p><h4>R4</h4><pre><code class="lang-shell">sys
int g0/0/2
 ip add 192.168.10.1 24
ospf 1
 area 0
 net 192.168.10.1 0.0.0.0</code></pre><h4>R1,R3,R2</h4><pre><code class="lang-shell">dis ip rout pro ospf</code></pre><h4>R3</h4><pre><code class="lang-shell">return
dis ospf int
sys
ospf 1
 area 4
 vlink-peer 10.0.34.4</code></pre><h4>R4</h4><pre><code class="lang-shell">return
dis ospf int
sys
ospf 1
 area 4
 vlink-peer 10.0.23.3</code></pre><h4>R1,R3,R2</h4><pre><code class="lang-shell">dis ip rout pro ospf</code></pre><p></div><div role="tabpanel" id='tabs-33dd01f9cac0614e0aadb87178c406a1644' class="tab-pane fade  ">
            </p><h4>1.R4</h4><pre><code class="lang-shell">sys
int loop1
ip add 172.16.8.1 255.255.255.0
ospf net bro
int loop2
ip add 172.16.9.1 255.255.255.0
ospf net bro
int loop3
ip add 172.16.10.1 255.255.255.0
ospf net bro
int loop4
ip add 172.16.11.1 255.255.255.0
ospf net bro
ospf 1
area 4
net 172.16.0.0 0.0.255.255</code></pre><h4>R1</h4><pre><code class="lang-shell">dis ip rout pro ospf</code></pre><h4>R3</h4><pre><code class="lang-shell">ospf 1
area 4
abr-summary 172.16.8.0 255.255.252.0</code></pre><h4>R1</h4><pre><code class="lang-shell">dis ip rout pro ospf</code></pre><h4>2.R1</h4><pre><code class="lang-shell">sys
int loop1
ip add 123.16.8.1 255.255.255.0
int loop2
ip add 123.16.9.1 255.255.255.0
int loop3
ip add 123.16.10.1 255.255.255.0
int loop4
ip add 123.16.11.1 255.255.255.0
ospf 2
area 0
net 123.16.0.0 0.0.255.255
ospf 1
import-route ospf 2</code></pre><h4>R4,R3.R2</h4><pre><code class="lang-shell">dis ip rout pro ospf</code></pre><h4>R1</h4><pre><code class="lang-shell">ospf 1
asbr-summary 123.16.8.0 255.255.252.0</code></pre><h4>R4,R3.R2</h4><p>dis ip rout pro ospf<br></div><div role="tabpanel" id='tabs-e5a8e7145d8dd65dee39deb7e1a3a214615' class="tab-pane fade  ">
            </p><h4>R4</h4><pre><code class="lang-shell">return
u t m
dis ospf lsdb
sys
int g0/0/0
shundo sh

ospf cost 123

undo ospf cost

dis ospf lsdb</code></pre><p></div><div role="tabpanel" id='tabs-153f44ec9b7666a77bda3b52d8698c51636' class="tab-pane fade  ">
            </p><h4>R3,R4</h4><p>两种加密方式</p><pre><code class="lang-shell">sys
int g0/0/1
ospf authen si 12345
returnsys
int g0/0/1
 ospf authen md5 1 12345
return

dis ospf peer</code></pre><p></div><div role="tabpanel" id='tabs-6ec101c2d09b8b710795a408ca388c19337' class="tab-pane fade  ">
            </p><h4>前面的实验你已经完成，后面的实验需要新开拓扑</h4><h4>R1</h4><pre><code class="lang-shell">return
sys
int loop11
 ip add 123.1.1.1 24
ospf 2
 area 0
 net 123.1.1.1 0.0.0.0
ospf 1
 import-route ospf 2</code></pre><h4>R2.R3,R4</h4><pre><code class="lang-shell">dis ip rout pro ospf</code></pre><h4>R1</h4><pre><code class="lang-shell">sys
ospf 1
 import-route ospf 2</code></pre><h4>R2.R3,R4</h4><pre><code class="lang-shell">dis ip rout pro ospf</code></pre><h4>R1</h4><pre><code class="lang-shell">sys
ospf 1
import-route ospf 2 type 1</code></pre><h4>R2.R3,R4</h4><pre><code class="lang-shell">dis ip rout pro ospf</code></pre><p></div><div role="tabpanel" id='tabs-13dc20e95e4850ecb87c7323722ad333368' class="tab-pane fade  ">
            </p><h4>Stub Area</h4><pre><code class="lang-shell">R4
dis ip rout pro ospf

R3,R4
sys
ospf 1
 area 4
 stub

R3
sys
ospf 1
 area 4
 undo vlink-peer 10.0.34.4
 stub

R4
sys
ospf 1
 area 4
 undo vlink-peer 10.0.23.3
 stub

dis ip rout pro ospf</code></pre><h4>Totally Stub Area</h4><pre><code class="lang-shell">R3
sys
ospf 1
 area 4
 stub no-summary

R4
sys
ospf 1
 area 4
 stub

dis ip rout pro ospf

R3
sys
int loop33
 ip add 10.3.3.3 24
 ospf net bro

ospf 1
 area 4
 net 10.3.3.3 0.0.0.0

R4
dis ip rout pro ospf</code></pre><p></div><div role="tabpanel" id='tabs-b0eedcd7a8abb30e2779d7477e3cb714649' class="tab-pane fade  ">
            <br>NSSA<br>R1</p><pre><code class="lang-shell">sys
int loop11
ip add 10.11.11.11 24
ospf 2
area 0
net 10.11.11.11 0.0.0.0
ospf 1
import-route ospf 2</code></pre><p>R1,R2</p><pre><code class="lang-shell">sys
ospf 1
 area 1
 nssa</code></pre><p>R2,R3</p><pre><code class="lang-shell">dis ospf lsdb
dis ip rout pro ospf</code></pre><p>NSSA-Default-Router</p><pre><code class="lang-shell">R1
sys
ospf 1
 area 1
 nssa default-route-adv

R2
sys
ospf 1
 area 1
 nssa

R2,R3
dis ospf lsdb
dis ip rout pro ospf</code></pre><p></div>
</div>
</div></p>

R1

R2

R3

R4

R1

R2

R3

R4

查看相关ospf配置

OSPF度量：（dis ospf int 接口号）

R4

R4

R1,R3,R2

R3

R4

R1,R3,R2

1.R4

R1

R3

R1

2.R1

R4,R3.R2

R1

R4,R3.R2

R4

R3,R4

前面的实验你已经完成，后面的实验需要新开拓扑

R1

R2.R3,R4

R1

R2.R3,R4

R1

R2.R3,R4

Stub Area

Totally Stub Area

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ospf多区域配置

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