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eNSP学习——利用单臂路由实现VLAN间路由

飞空之羽 2024-01-31 阅读 32
学习网络

目录

原理概述

实验内容

实验目的

实验步骤

实验拓扑

实验编址

配置步骤

创建VLAN并配置Access、Trunk接口 

配置路由器子接口和IP地址

配置路由器子接口封装VLAN

测试结果


原理概述

实验内容

实验目的

实验步骤

实验拓扑

实验编址

设备接口IP地址子网掩码网关
R1GE 0/0/1.1192.168.1.254255.255.255.0N/A
GE 0/0/1.2192.168.2.254255.255.255.0N/A
GE 0/0/1.3192.168.3.254255.255.255.0N/A
PC1Ethernet 0/0/1192.168.1.1255.255.255.0192.168.1.254
PC2Ethernet 0/0/1192.168.2.1255.255.255.0192.168.2.254
PC3Ethernet 0/0/1192.168.3.1255.255.255.0192.168.3.254

配置步骤

创建VLAN并配置Access、Trunk接口 

        为了保障各部门的信息安全,需要保证隔离不同部门间的二层通信,规划各部门的终端属于不同的VLAN。

第一步:创建VLAN并配置Access、Trunk接口 
    为了保障各部门的信息安全,需要保证隔离不同部门间的二层通信,规划
各部门的终端属于不同的VLAN。

在S2上创建VLAN10和VLAN20,并连接PC1和PC2的接口配置为Access接口并划分
到相应的VLAN中
[S2]vlan 10	
[S2-vlan10]description HR
[S2-vlan10]vlan 20	
[S2-vlan20]description market	
[S2-vlan20]interface e0/0/1	
[S2-Ethernet0/0/1]port link-type access
[S2-Ethernet0/0/1]port default vlan 10
[S2-Ethernet0/0/1]interface e0/0/2
[S2-Ethernet0/0/2]port link-type access
[S2-Ethernet0/0/2]port default vlan 20
[S2-Ethernet0/0/2]

S3上创建VLAN30,把连接PC3的接口设置为Access接口,并划分到VLAN30
[S3]vlan 30	
[S3-vlan30]description mannger	
[S3-vlan30]interface e0/0/1	
[S3-Ethernet0/0/1]port link-type access
[S3-Ethernet0/0/1]port default vlan 30
[S3-Ethernet0/0/1]

交换机之间或交换机和路由器之间相连的接口需要传递多个vlan信息,需要配
置成Trunk接口
[S2-Ethernet0/0/2]interface g0/0/2
[S2-GigabitEthernet0/0/2]port link-type trunk
[S2-GigabitEthernet0/0/2]port trunk allow-pass vlan all
[S2-GigabitEthernet0/0/2]

[S3-Ethernet0/0/1]interface g0/0/2
[S3-GigabitEthernet0/0/2]port link-type trunk
[S3-GigabitEthernet0/0/2]port trunk allow-pass vlan all

在S1上创建vlan10、vlan20和vlan30,并配置交换机和路由器相连的接口为
trunk,允许所有vlan通过
<Huawei>undo ter mon
Info: Current terminal monitor is off.
<Huawei>sys
[Huawei]sysname S1
[S1]vlan 10
[S1-vlan10]vlan batch 20 30
[S1]interface g0/0/2
[S1-GigabitEthernet0/0/2]port link-type trunk	
[S1-GigabitEthernet0/0/2]port trunk allow-pass vlan all
[S1-GigabitEthernet0/0/2]interface g0/0/3
[S1-GigabitEthernet0/0/3]port link-type trunk
[S1-GigabitEthernet0/0/3]port trunk allow-pass vlan all
[S1-GigabitEthernet0/0/3]interface g0/0/1
[S1-GigabitEthernet0/0/1]port link-type trunk
[S1-GigabitEthernet0/0/1]port trunk allow-pass vlan all
[S1-GigabitEthernet0/0/1]


配置路由器子接口和IP地址

第二步:配置路由器子接口和IP地址
[Huawei]sysname R1	
[R1]interface g0/0/1.1
[R1-GigabitEthernet0/0/1.1]ip address 192.168.1.254 24
[R1-GigabitEthernet0/0/1.1]interface g0/0/1.2
[R1-GigabitEthernet0/0/1.2]ip address 192.168.2.254 24
[R1-GigabitEthernet0/0/1.2]interface g0/0/1.3
[R1-GigabitEthernet0/0/1.3]ip address 192.168.3.254 24
[R1-GigabitEthernet0/0/1.3]

配置路由器子接口封装VLAN

        在R1的子接口封装上相应的vlan,并开启子接口的ARP广播功能。
使用dot1q termination vid命令配置子接口对一层tag 报文的终结功能。即配置该命令后,路由器子接口在接收带有VLAN tag的报文时,将剥掉tag 进行三层转发,在发送报文时,会将与该子接口对应VLAN的VLAN tag添加到报文中。

第三步:配置路由器子接口封装VLAN

[R1]interface g0/0/1.1	
[R1-GigabitEthernet0/0/1.1]dot1q termination vid 10	
[R1-GigabitEthernet0/0/1.1]arp broadcast enable    //开启子接口的ARP广播功能。
若不配置,会导致该子接口无法主动发送ARP广播报文,以及向外转发IP报文。
[R1-GigabitEthernet0/0/1.1]interface g0/0/1.2
[R1-GigabitEthernet0/0/1.2]dot1q termination vid 20
[R1-GigabitEthernet0/0/1.2]arp broadcast enable
[R1-GigabitEthernet0/0/1.2]interface g0/0/1.3
[R1-GigabitEthernet0/0/1.3]dot1q termination vid 30
[R1-GigabitEthernet0/0/1.3]arp broadcast enable
[R1-GigabitEthernet0/0/1.3]q
[R1]display ip interface brief       //查看R1上接口状态
*down: administratively down
^down: standby
(l): loopback
(s): spoofing
The number of interface that is UP in Physical is 5
The number of interface that is DOWN in Physical is 2
The number of interface that is UP in Protocol is 4
The number of interface that is DOWN in Protocol is 3

Interface                         IP Address/Mask      Physical   Protocol  
GigabitEthernet0/0/0              unassigned           down       down      
GigabitEthernet0/0/1              unassigned           up         down      
GigabitEthernet0/0/1.1            192.168.1.254/24     up         up        
GigabitEthernet0/0/1.2            192.168.2.254/24     up         up        
GigabitEthernet0/0/1.3            192.168.3.254/24     up         up        
GigabitEthernet0/0/2              unassigned           down       down      
NULL0                             unassigned           up         up(s)     
[R1]
[R1]display ip routing-table       //查看R1的路由表
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
         Destinations : 13       Routes : 13       

Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface

    192.168.1.0/24  Direct  0    0           D   192.168.1.254   GigabitEthernet
0/0/1.1
  192.168.1.254/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/1.1
  192.168.1.255/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/1.1
    192.168.2.0/24  Direct  0    0           D   192.168.2.254   GigabitEthernet
0/0/1.2
  192.168.2.254/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/1.2
  192.168.2.255/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/1.2
    192.168.3.0/24  Direct  0    0           D   192.168.3.254   GigabitEthernet
0/0/1.3
[R1]

测试结果

PC1分别测试与PC2和PC3之间的连通性。

举报

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