[r2]interfaceGigabitEthernet0/0/0  进入链接CE端的接口[r2-GigabitEthernet0/0/0]ipbindingvpn-instancea   关联到vrf空间[r2-GigabitEthernet0/0/0]ipaddress192.168.2.224    配置私有ip地址注：在关联到vf空间前不能配置接口ip，否则该