新手的新奇特问题，VLAN内，VLAN间主机都不能通信，各位大大进来帮看看

[紫光东北]

实验环境：一台中兴3950交换机，两台笔记本

目前：VLAN内和VLAN间（PC2虚线接法）都不能Ping通主机，可以ping通网关，这是咋回事呀？

ZXR10(config)#show run
Building configuration...
!
!
ip dhcp enable
!
vlan list 1
vlan list 10
vlan list 20
!
!
!
!
!
!
!
interface vlan 1
ip address 10.85.51.253 255.255.255.0
out_index 2
!
interface vlan 10
ip address 10.1.1.254 255.255.255.0
out_index 30
!
interface vlan 20
ip address 10.2.2.254 255.255.255.0
out_index 31
!
interface null1
out_index 1
!
interface fei_1/1
out_index 4
negotiation auto
switchport access vlan 1
switchport qinq normal
!
interface fei_1/2
out_index 5
negotiation auto
switchport access vlan 1
switchport qinq normal
!
interface fei_1/3
out_index 6
negotiation auto
switchport access vlan 1
switchport qinq normal

[wuyuanzhe]

配置不全，vlan10和20加的接口信息呢？pc上的地址、路由配置呢？