VLAN间路由之SVI

不同的VLAN之间相互通信必须要有三层设备(路由器,多层交换机)做中转
VLAN间路由

通过三层设备路由,使得不同VLAN间可以相互通信。但仅仅允许单薄通信。不同VLAN之间广播帧依然被隔离即没有失去VLAN原来的意义

在这里插入图片描述

PC1(设置IP地址)
IP地址:192.168.10.1
子网掩码:255.255.255.0
网关:192.168.10.254
PC2(设置IP地址)
IP地址:192.168.10.2
子网掩码:255.255.255.0
网关:192.168.10.254
PC3(设置IP地址)
IP地址:192.168.20.1
子网掩码:255.255.255.0
网关:192.168.20.254
PC4(设置IP地址)
IP地址:192.168.20.2
子网掩码:255.255.255.0
网关:192.168.20.254
SW1(设置Trunk链路)
<Huawei>system-view     //进入系统视图
[Huawei]undo info-center enable     //关闭信息告警提示
[Huawei]sysname SW1     //改名
[SW1]vlan batch 10 20     //创建vlan10和vlan20
[SW1]interface g0/0/1     //进入接口
[SW1-GigabitEthernet0/0/1]port link-type trunk     //设置为trunk链路 	 
[SW1-GigabitEthernet0/0/1]port trunk allow-pass vlan all     //允许所有VLAN通过
[SW1-GigabitEthernet0/0/1]quit    //退出
[SW1]interface g0/0/2     //进入接口
[SW1-GigabitEthernet0/0/2]port link-type trunk     //设置为trunk链路
[SW1-GigabitEthernet0/0/2]port trunk allow-pass vlan all     //允许所有VLAN通过
[SW1-GigabitEthernet0/0/2]quit     //退出
[SW1]
SW2(设置Trunk链路和access链路)
<Huawei>system-view     //进入系统视图
[Huawei]undo info-center enable     //关闭信息告警提示
[Huawei]sysname SW2     //改名
[SW2]vlan batch 10 20     //创建vlan10和vlan20
[SW2]interface g0/0/1     //进入接口	 
[SW2-GigabitEthernet0/0/1]port link-type access     //设置为access链路
[SW2-GigabitEthernet0/0/1]port default vlan 10     //允许vlan10通过
[SW2-GigabitEthernet0/0/1]quit     //退出
[SW2]interface g0/0/2     //进入接口
[SW2-GigabitEthernet0/0/2]port link-type access     //设置为access链路
[SW2-GigabitEthernet0/0/2]port default vlan 20     //允许vlan20通过
[SW2-GigabitEthernet0/0/2]quit     //退出
[SW2]interface g0/0/3     //进入接口	
[SW2-GigabitEthernet0/0/3]port link-type trunk     //设置为trunk链路
[SW2-GigabitEthernet0/0/3]port trunk allow-pass vlan all     //允许所有VLAN通过
[SW2-GigabitEthernet0/0/3]quit     //退出
[SW2]
SW3(设置Trunk链路和access链路)
<Huawei>system-view      //进入系统视图
[Huawei]undo info-center enable     //关闭信息告警提示
[Huawei]sysname SW3     //改名
[SW3]vlan batch 10 20     //创建vlan10和vlan20
[SW3]interface g0/0/1     //进入接口
[SW3-GigabitEthernet0/0/1]port link-type access     //设置为access链路
[SW3-GigabitEthernet0/0/1]port default vlan 10     //允许vlan10通过
[SW3-GigabitEthernet0/0/1]quit     //退出
[SW3]interface g0/0/2     //进入接口
[SW3-GigabitEthernet0/0/2]port link-type access     //设置为access链路
[SW3-GigabitEthernet0/0/2]port default vlan 20     //允许vlan20通过
[SW3-GigabitEthernet0/0/2]quit     //退出
[SW3]interface g0/0/3     //进入接口
[SW3-GigabitEthernet0/0/3]port link-type trunk     //设置为trunk链路
[SW3-GigabitEthernet0/0/3]port trunk allow-pass vlan all     //允许所有VLAN通过
[SW3-GigabitEthernet0/0/3]quit     //退出
[SW3]
SW1(查看VLAN接口)
[SW1]dis port vlan     //查看vlan接口
Port                    Link Type    PVID  Trunk VLAN List
-------------------------------------------------------------------------------
GigabitEthernet0/0/1    trunk        1     1-4094     //允许所有vlan通过
GigabitEthernet0/0/2    trunk        1     1-4094     //允许所有vlan通过
GigabitEthernet0/0/3    hybrid       1     -                                   
GigabitEthernet0/0/4    hybrid       1     -                                   
GigabitEthernet0/0/5    hybrid       1     -                                   
GigabitEthernet0/0/6    hybrid       1     -                                   
GigabitEthernet0/0/7    hybrid       1     -                                   
GigabitEthernet0/0/8    hybrid       1     -                                   
GigabitEthernet0/0/9    hybrid       1     -                                   
GigabitEthernet0/0/10   hybrid       1     -                                   
GigabitEthernet0/0/11   hybrid       1     -                                   
GigabitEthernet0/0/12   hybrid       1     -                                   
GigabitEthernet0/0/13   hybrid       1     -                                   
GigabitEthernet0/0/14   hybrid       1     -                                   
GigabitEthernet0/0/15   hybrid       1     -                                   
GigabitEthernet0/0/16   hybrid       1     -                                   
GigabitEthernet0/0/17   hybrid       1     -                                   
GigabitEthernet0/0/18   hybrid       1     -                                   
GigabitEthernet0/0/19   hybrid       1     -                                   
GigabitEthernet0/0/20   hybrid       1     -                                   
GigabitEthernet0/0/21   hybrid       1     -                                   
GigabitEthernet0/0/22   hybrid       1     -                                   
GigabitEthernet0/0/23   hybrid       1     -                                   
GigabitEthernet0/0/24   hybrid       1     -                                   
[SW1]
SW2(查看VLAN接口)
[SW2]dis port vlan     //查看vlan接口
Port                    Link Type    PVID  Trunk VLAN List
-------------------------------------------------------------------------------
GigabitEthernet0/0/1    access       10    -          //允许vlan10通过                        
GigabitEthernet0/0/2    access       20    -          //允许vlan20通过                        
GigabitEthernet0/0/3    trunk        1     1-4094     //允许所有vlan通过
GigabitEthernet0/0/4    hybrid       1     -                                   
GigabitEthernet0/0/5    hybrid       1     -                                   
GigabitEthernet0/0/6    hybrid       1     -                                   
GigabitEthernet0/0/7    hybrid       1     -                                   
GigabitEthernet0/0/8    hybrid       1     -                                   
GigabitEthernet0/0/9    hybrid       1     -                                   
GigabitEthernet0/0/10   hybrid       1     -                                   
GigabitEthernet0/0/11   hybrid       1     -                                   
GigabitEthernet0/0/12   hybrid       1     -                                   
GigabitEthernet0/0/13   hybrid       1     -                                   
GigabitEthernet0/0/14   hybrid       1     -                                   
GigabitEthernet0/0/15   hybrid       1     -                                   
GigabitEthernet0/0/16   hybrid       1     -                                   
GigabitEthernet0/0/17   hybrid       1     -                                   
GigabitEthernet0/0/18   hybrid       1     -                                   
GigabitEthernet0/0/19   hybrid       1     -                                   
GigabitEthernet0/0/20   hybrid       1     -                                   
GigabitEthernet0/0/21   hybrid       1     -                                   
GigabitEthernet0/0/22   hybrid       1     -                                   
GigabitEthernet0/0/23   hybrid       1     -                                   
GigabitEthernet0/0/24   hybrid       1     -                                   
[SW2]
SW3(查看VLAN接口)
[SW3]dis port vlan     //查看vlan接口
Port                    Link Type    PVID  Trunk VLAN List
-------------------------------------------------------------------------------
GigabitEthernet0/0/1    access       10    -          // 允许vlan10通过                       
GigabitEthernet0/0/2    access       20    -          //允许vlan20通过                         
GigabitEthernet0/0/3    trunk        1     1-4094     //允许所有vlan通过
GigabitEthernet0/0/4    hybrid       1     -                                   
GigabitEthernet0/0/5    hybrid       1     -                                   
GigabitEthernet0/0/6    hybrid       1     -                                   
GigabitEthernet0/0/7    hybrid       1     -                                   
GigabitEthernet0/0/8    hybrid       1     -                                   
GigabitEthernet0/0/9    hybrid       1     -                                   
GigabitEthernet0/0/10   hybrid       1     -                                   
GigabitEthernet0/0/11   hybrid       1     -                                   
GigabitEthernet0/0/12   hybrid       1     -                                   
GigabitEthernet0/0/13   hybrid       1     -                                   
GigabitEthernet0/0/14   hybrid       1     -                                   
GigabitEthernet0/0/15   hybrid       1     -                                   
GigabitEthernet0/0/16   hybrid       1     -                                   
GigabitEthernet0/0/17   hybrid       1     -                                   
GigabitEthernet0/0/18   hybrid       1     -                                   
GigabitEthernet0/0/19   hybrid       1     -                                   
GigabitEthernet0/0/20   hybrid       1     -                                   
GigabitEthernet0/0/21   hybrid       1     -                                   
GigabitEthernet0/0/22   hybrid       1     -                                   
GigabitEthernet0/0/23   hybrid       1     -                                   
GigabitEthernet0/0/24   hybrid       1     -                                   
[SW3]
SW1(配置SVI)
[SW1]interface Vlanif 10     //进入vlanif10
[SW1-Vlanif10]ip address 192.168.10.254 24     //设置IP地址
[SW1-Vlanif10]quit     //退出
[SW1]interface Vlanif 20     //进入vlanif20
[SW1-Vlanif20]ip address 192.168.20.254 24     //设置IP地址
[SW1-Vlanif20]quit     //退出
[SW1]
PC1(测试是否可以全网互通)
PC>ping 192.168.20.1     //测试是否可以ping通PC2

Ping 192.168.20.1: 32 data bytes, Press Ctrl_C to break
From 192.168.20.1: bytes=32 seq=1 ttl=127 time=125 ms     //ping通
From 192.168.20.1: bytes=32 seq=2 ttl=127 time=62 ms
From 192.168.20.1: bytes=32 seq=3 ttl=127 time=78 ms
From 192.168.20.1: bytes=32 seq=4 ttl=127 time=78 ms
From 192.168.20.1: bytes=32 seq=5 ttl=127 time=109 ms

--- 192.168.20.1 ping statistics ---
  5 packet(s) transmitted
  5 packet(s) received
  0.00% packet loss
  round-trip min/avg/max = 62/90/125 ms

PC>ping 192.168.10.2     //测试是否可以ping通PC3

Ping 192.168.10.2: 32 data bytes, Press Ctrl_C to break
From 192.168.10.2: bytes=32 seq=1 ttl=128 time=94 ms     //ping通
From 192.168.10.2: bytes=32 seq=2 ttl=128 time=62 ms
From 192.168.10.2: bytes=32 seq=3 ttl=128 time=109 ms
From 192.168.10.2: bytes=32 seq=4 ttl=128 time=78 ms
From 192.168.10.2: bytes=32 seq=5 ttl=128 time=94 ms

--- 192.168.10.2 ping statistics ---
  5 packet(s) transmitted
  5 packet(s) received
  0.00% packet loss
  round-trip min/avg/max = 62/87/109 ms

PC>ping 192.168.20.2     //测试是否可以ping通PC4

Ping 192.168.20.2: 32 data bytes, Press Ctrl_C to break
From 192.168.20.2: bytes=32 seq=1 ttl=127 time=124 ms     //ping通
From 192.168.20.2: bytes=32 seq=2 ttl=127 time=93 ms
From 192.168.20.2: bytes=32 seq=3 ttl=127 time=78 ms
From 192.168.20.2: bytes=32 seq=4 ttl=127 time=125 ms
From 192.168.20.2: bytes=32 seq=5 ttl=127 time=78 ms

--- 192.168.20.2 ping statistics ---
  5 packet(s) transmitted
  5 packet(s) received
  0.00% packet loss
  round-trip min/avg/max = 78/99/125 ms

PC>
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