实验原因：
听说华为的这个模拟器比思科的还要好，就在自己电脑上安装了一个。刚开始做实验测试总是ping不通，后来把自己电脑系统的防火墙关了，就可以了。先用单台S5700交换机做，配置了VLAN虚拟接口的管理IP和子网掩码，display ip route-table竟看不到路由表。用这个网络拓扑，就可以了。思科用switchport access vlan vlan-id来允许通过access接口的vlan，华为用port default vlan vlan-id。
网络拓扑图：
核心交换机S5700配置：
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]dis curr
#
sysname Huawei
#
super password level 3 cipher <N"6L[`HcQ'eKRQqbl+O=|W#
#
ip host s1 172.16.10.1
#
vlan batch 10 20
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
diffserv domain default
#
drop-profile default
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password simple admin
local-user admin service-type http
#
interface Vlanif1
#
interface Vlanif10
ip address 172.16.10.1 255.255.255.0
#
interface Vlanif20
ip address 172.16.20.1 255.255.255.0
#
interface MEth0/0/1
#
interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/2
port link-type access
port default vlan 10
#
interface GigabitEthernet0/0/3
port link-type access
#
interface GigabitEthernet0/0/4
port link-type access
#
interface GigabitEthernet0/0/5
#
interface GigabitEthernet0/0/6
#
interface GigabitEthernet0/0/7
#
interface GigabitEthernet0/0/8
#
interface GigabitEthernet0/0/9
#
interface GigabitEthernet0/0/10
#
interface GigabitEthernet0/0/11
#
interface GigabitEthernet0/0/12
#
interface GigabitEthernet0/0/13
#
interface GigabitEthernet0/0/14
#
interface GigabitEthernet0/0/15
#
interface GigabitEthernet0/0/16
#
interface GigabitEthernet0/0/17
#
interface GigabitEthernet0/0/18
#
interface GigabitEthernet0/0/19
#
interface GigabitEthernet0/0/20
#
interface GigabitEthernet0/0/21
#
interface GigabitEthernet0/0/22
#
interface GigabitEthernet0/0/23
#
interface GigabitEthernet0/0/24
#
interface NULL0
#
user-interface con 0
user-interface vty 0 4
#
port-group g0/0/1
#
return
接入层交换机S3700配置：
The device is running!
<Huawei>sys
Enter system view, return user view with Ctrl+Z.
[Huawei]dis curr
#
sysname Huawei
#
super password level 3 cipher cd]CS'n\=C9P4p;tsqP+.}N#
#
vlan batch 10 20
#
cluster enable
ntdp enable
ndp enable
#
drop illegal-mac alarm
#
diffserv domain default
#
drop-profile default
#
aaa
authentication-scheme default
authorization-scheme default
accounting-scheme default
domain default
domain default_admin
local-user admin password simple admin
local-user admin service-type http
#
interface Vlanif1
#
interface MEth0/0/1
#
interface Ethernet0/0/1
#
interface Ethernet0/0/2
port link-type access
port default vlan 10
#
interface Ethernet0/0/3
port link-type access
port default vlan 20
#
interface Ethernet0/0/4
#
interface Ethernet0/0/5
#
interface Ethernet0/0/6
#
interface Ethernet0/0/7
#
interface Ethernet0/0/8
#
interface Ethernet0/0/9
#
interface Ethernet0/0/10
#
interface Ethernet0/0/11
#
interface Ethernet0/0/12
#
interface Ethernet0/0/13
#
interface Ethernet0/0/14
#
interface Ethernet0/0/15
#
interface Ethernet0/0/16
#
interface Ethernet0/0/17
#
interface Ethernet0/0/18
#
interface Ethernet0/0/19
#
interface Ethernet0/0/20
#
interface Ethernet0/0/21
#
interface Ethernet0/0/22
#
interface GigabitEthernet0/0/1
port link-type trunk
port trunk allow-pass vlan 2 to 4094
#
interface GigabitEthernet0/0/2
#
interface NULL0
#
user-interface con 0
user-interface vty 0 4
#
port-group e0/0/2
#
port-group e0/0/3
#
return
网络互通性测试：
PC1 ping PC3,ping 网关,ping PC2
