「VRF」- 常见问题处理

  CREATED BY JENKINSBOT

配置示例（Huawei）

在缺省情况下，华为数通产品上所有三层接口都属于根实例。在防火墙中，会看到明显的根实例；在路由器中，根示例的体现并不明显。

按照由下而上的配置顺序（报文沿途经过的设备）： 

// ------- PC

...

// ------- SW1

interface GigabitEthernet0/0/1
 port link-type access
 port default vlan 10

interface GigabitEthernet0/0/2
 port link-type access
 port default vlan 20

interface GigabitEthernet0/0/3
 port link-type trunk
 port trunk allow-pass vlan 10 20
 
// ------- AR6

ip vpn-instance VLAN10
ip vpn-instance VLAN20

interface GigabitEthernet0/0/0
 ip binding vpn-instance VLAN10
 ip address 10.0.0.1 255.255.255.0 

interface GigabitEthernet0/0/1
 ip binding vpn-instance VLAN20
 ip address 10.0.0.1 255.255.255.0 

interface GigabitEthernet0/0/2

interface GigabitEthernet0/0/2.10
 dot1q termination vid 10
 ip binding vpn-instance VLAN10
 ip address 192.168.1.254 255.255.255.0 
 arp broadcast enable

interface GigabitEthernet0/0/2.20
 dot1q termination vid 20
 ip binding vpn-instance VLAN20
 ip address 192.168.1.254 255.255.255.0 
 arp broadcast enable
 
ospf 1 router-id 1.1.1.1 vpn-instance VLAN10
 area 0.0.0.0 
  network 10.0.0.0 0.0.0.255 
  network 192.168.1.0 0.0.0.255 

ospf 2 router-id 1.1.1.1 vpn-instance VLAN20
 area 0.0.0.0 
  network 10.0.0.0 0.0.0.255 
  network 192.168.1.0 0.0.0.255
  
// ------- AR5

...

// ------- AR4

...