vlan间路由--多臂路由实现vlan间通信

不同vlan之间的路由，实现方式

--多臂路由实现vlan间通信

--单臂路由实现vlan间通信

--三层交换机实现vlan间通信

1 多臂路由实现vlan间通信

如下图

AR1路由器配置

<Huawei>system-view
[Huawei]undo info-center enable
[Huawei]sysname R1
[R1]interface GigabitEthernet 0/0/0
[R1-GigabitEthernet0/0/0]ip address 192.168.100.254 24
[R1]interface GigabitEthernet 0/0/1
[R1-GigabitEthernet0/0/1]ip address 192.168.200.254 24
[R1]display ip routing-table protocol direct//当配置完接口的ip地址后，设备上自动得到直接路由（多臂路由，单臂路由也是）通过直接连路由来转发不同VLAN的数据包
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Public routing table : Direct
         Destinations : 10       Routes : 10       

Direct routing table status : <Active>
         Destinations : 10       Routes : 10

Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface

      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
  192.168.100.0/24  Direct  0    0           D   192.168.100.254 GigabitEthernet
0/0/0
192.168.100.254/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/0
192.168.100.255/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/0
  192.168.200.0/24  Direct  0    0           D   192.168.200.254 GigabitEthernet
0/0/1
192.168.200.254/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/1
192.168.200.255/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/1
255.255.255.255/32  Direct  0    0           D   127.0.0.1       InLoopBack0

Direct routing table status : <Inactive>
         Destinations : 0        Routes : 0

交换机的配置

<Huawei>system-view
[Huawei]undo info-center enable
[Huawei]sysname sw1
[sw1]vlan batch 100 200
[sw1]interface Eth0/0/1
[sw1-Ethernet0/0/1]port link-type access
[sw1-Ethernet0/0/1]port default vlan 100
[sw1]interface Eth0/0/4
[sw1-Ethernet0/0/4]port link-type access
[sw1-Ethernet0/0/4]port default vlan 200
[sw1]interface Eth0/0/2
[sw1-Ethernet0/0/2]port link-type access
[sw1-Ethernet0/0/2]port default vlan 100
[sw1]interface Eth0/0/3
[sw1-Ethernet0/0/3]port link-type access
[sw1-Ethernet0/0/3]port default vlan 200
[sw1]display port vlan active //验证vlan的划分情况
T=TAG U=UNTAG
---------------------------------------------------------------------
Port                Link Type    PVID    VLAN List
---------------------------------------------------------------------
Eth0/0/1            access       100     U: 100
Eth0/0/2            access       100     U: 100
Eth0/0/3            access       200     U: 200
Eth0/0/4            access       200     U: 200
Eth0/0/5            hybrid       1       U: 1

Pc1配置

 Pc1 ping网关和pc2

在实际应用当中，这种是不常见的，常见是单臂路由和三层交换机来实现不同vlan之间的通信。