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静态路由的配置(以华为eNSP为例)
2022-07-25 09:26:00 【m0_54803732】
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此文章仅为本人学习笔记,仅供参考,如有冒犯,请联系作者删除!!!
可能用到的知识点:
静态路由
1.查看路由表:
[r1]display ip routing-table2. 路由表的查表规则:
1.递归查找
2.最⻓匹配
3.下⼀跳写法:
[r1]ip route-static 23.1.1.0 24 12.1.1.2 建议使⽤在以太⽹环境中 未知⽹段 未知⽹段⼦⽹掩码 下⼀跳ip地址 (和我本地直连的对段接⼝的ip地址)4.出接⼝写法:
[r1]ip route-static 23.1.1.0 24 s4/0/0 出接⼝写法 建议使⽤在串⾏链路中5.静态路由的汇总:
[r1]ip route-static 192.168.0.0 22 12.1.1.2 汇总6.缺省路由:
[r3]ip route-static 0.0.0.0 0 23.1.1.17.空接⼝路由:
[R3]ip route-static 192.168.0.0 22 NULL 08.浮动静态路由:
ip route-static 23.1.1.0 255.255.255.0 21.1.1.2 preference 61
实验拓扑图:

一、首先为PC1、PC2、PC3、PC4、PC5.PC6、PC7配置IP 并为六台路由器更名(r1-r6)。

PC2、PC3、PC4、PC5、PC6、PC7按照此规则依次配置
PC1:172.16.1.254/24 PC2:172.16.1.253/24 PC3:192.168.1.254/24
PC4:192.168.1.253/24 PC5:192.168.2.254/24 PC6;192.168.2.253/24
PC7:67.1.1.2/24
二、为AR1-AR6六台路由器的每一个接口配置IP
以路由器一为例,其余按此规则依次类推:
[r1]interface g0/0/0
[r1]ip address 16.1.1.2 255.255.255.0
[r1]interface g0/0/1
[r1]ip address 172.16.1.1 255.255.255.0
[r1]interface g0/0/2
[r1]ip address 67.1.1.1 255.255.255.0
三、用知识点3为每一段书写下一跳写法
以r6号路由器为例:
[r6]ip route-static 12.1.1.0 24 16.1.1.2
[r6]ip route-static 21.1.1.0 24 16.1.1.2 preference 61
[r6]ip route-static 24.1.1.0 24 16.1.1.2
[r6]ip route-static 45.1.1.0 24 16.1.1.2
[r6]ip route-static 192.168.0.0 22 16.1.1.2 这里不同的是,为了实现PC1访问PC345走上面,R1-R2实现备份 ,21.1.1.0/24实现备份,要在21.1.1.0/24段设置优先级为61,而192.168.1.0/24和192.168.2.0/24要实现汇总(用上述知识点五),所以为192.168.0.0/22。其余各路由器仿照上述规则进行配置。
四、 要实现PC3、4、5、6 访间PC1、2走下面R3 4之间实现等价路由,尽量减少路由条目全网可达,所以要为每一段书写192.168.0.0/22的下一跳写法,以实现回包效果。
[r5]ip route-static 192.168.0.0 22 45.1.1.1
[r4]ip route-static 192.168.0.0 22 34.1.1.1
[r4]ip route-static 192.168.0.0 22 43.1.1.1
[r3]ip route-static 192.168.0.0 22 13.1.1.1
[r1]ip route-static 192.168.0.0 22 16.1.1.1五、为实现R7代表运营商 所有pc均可访问,运用知识点6为每一段实现缺省路由。
[r5]ip route-static 0.0.0.0 0 45.1.1.1
[r4]ip route-static 0.0.0.0 0 34.1.1.1
[r4]ip route-static 0.0.0.0 0 43.1.1.1
[r3]ip route-static 0.0.0.0 0 13.1.1.1
[r1]ip route-static 0.0.0.0 0 16.1.1.1六、检查路由表。
以r5号路由器为例
<r5>display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 17 Routes : 17
Destination/Mask Proto Pre Cost Flags NextHop Interface
0.0.0.0/0 Static 60 0 RD 45.1.1.1 GigabitEthernet
0/0/0
34.1.1.0/24 Static 60 0 RD 45.1.1.1 GigabitEthernet
0/0/0
43.1.1.0/24 Static 60 0 RD 45.1.1.1 GigabitEthernet
0/0/0
45.1.1.0/24 Direct 0 0 D 45.1.1.2 GigabitEthernet
0/0/0
45.1.1.2/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
45.1.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/0
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
127.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0
172.16.1.0/24 Static 60 0 RD 45.1.1.1 GigabitEthernet
0/0/0
192.168.1.0/24 Direct 0 0 D 192.168.1.1 GigabitEthernet
0/0/1
192.168.1.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.1.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/1
192.168.2.0/24 Direct 0 0 D 192.168.2.1 GigabitEthernet
0/0/2
192.168.2.1/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
192.168.2.255/32 Direct 0 0 D 127.0.0.1 GigabitEthernet
0/0/2
255.255.255.255/32 Direct 0 0 D 127.0.0.1 InLoopBack0由上表可知缺省路由0/0/0的下一跳为45.1.1.1,符合题意,而且包涵题目已知所有路由条目。
七、测试是否PC均可访问。
1.首先测试PC1和PC2、PC3和PC4、PC5和PC6,同一网段下是否互通。
以PC1 ping PC2为例:
PC>ping 172.16.1.253
Ping 172.16.1.253: 32 data bytes, Press Ctrl_C to break
From 172.16.1.253: bytes=32 seq=1 ttl=128 time=46 ms
From 172.16.1.253: bytes=32 seq=2 ttl=128 time=32 ms
From 172.16.1.253: bytes=32 seq=3 ttl=128 time=31 ms
From 172.16.1.253: bytes=32 seq=4 ttl=128 time=31 ms
From 172.16.1.253: bytes=32 seq=5 ttl=128 time=31 ms
--- 172.16.1.253 ping statistics ---
5 packet(s) transmitted
5 packet(s) received
0.00% packet loss
round-trip min/avg/max = 31/34/46 ms
结果如图:

其余两项结果同上图,所以不予展示。
2.检测172.16.1.0/24 段和192.168.0.0段是否互通。
以PC1 ping PC6为例:
PC>ping 192.168.2.253
Ping 192.168.2.253: 32 data bytes, Press Ctrl_C to break
Request timeout!
From 192.168.2.253: bytes=32 seq=2 ttl=123 time=109 ms
From 192.168.2.253: bytes=32 seq=3 ttl=123 time=79 ms
From 192.168.2.253: bytes=32 seq=4 ttl=123 time=93 ms
From 192.168.2.253: bytes=32 seq=5 ttl=123 time=94 ms
--- 192.168.2.253 ping statistics ---
5 packet(s) transmitted
4 packet(s) received
20.00% packet loss
round-trip min/avg/max = 0/93/109 ms结果如图:

3.PC7代表运营商,用PC1-PC6测试是否联通。
以PC6 ping PC7为例:
PC>ping 67.1.1.2
Ping 67.1.1.2: 32 data bytes, Press Ctrl_C to break
Request timeout!
From 67.1.1.2: bytes=32 seq=2 ttl=123 time=63 ms
From 67.1.1.2: bytes=32 seq=3 ttl=123 time=47 ms
From 67.1.1.2: bytes=32 seq=4 ttl=123 time=47 ms
From 67.1.1.2: bytes=32 seq=5 ttl=123 time=46 ms
--- 67.1.1.2 ping statistics ---
5 packet(s) transmitted
4 packet(s) received
20.00% packet loss
round-trip min/avg/max = 0/50/63 ms
结果如图:

综上所述,按照实验要求,以完成所属步骤。
附实验链接:https://pan.baidu.com/s/14lVPOkzkrkgbyElX2JSUWw 提取码:73s7
如有错误,请联系作者删除,并恳请同行朋友予以斧正,万分感谢!
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