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private vlan 在智能化小区中的应用

王朝other·作者佚名  2008-05-31
窄屏简体版  字體: |||超大  

目的:希望实现每个客户之间不通讯,但同时利用一个网关连接到INTERNET.

3550-emi 配置

interface FastEthernet0/1

switchport Access vlan 1

switchport protected

no ip address

!

interface FastEthernet0/2

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/3

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/4

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/5

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/6

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/7

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/8

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/9

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/10

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/11

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/12

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/13

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/14

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/15

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/16

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/17

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/18

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/19

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/20

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/21

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/22

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/23

switchport access vlan 2

switchport protected

no ip address

!

interface FastEthernet0/24

switchport access vlan 2

switchport protected

no ip address

!

interface GigabitEthernet0/1

switchport trunk encapsulation dot1q

no ip address

!

interface GigabitEthernet0/2

no ip address

!

interface Vlan1

ip address 172.16.1.1 255.255.0.0

shutdown

!

interface Vlan2

ip address 10.1.1.1 255.255.0.0

ip access-group 1 in

!

interface Vlan3

ip address 10.2.1.1 255.255.0.0

ip access-group 2 in

!

ip route 0.0.0.0 0.0.0.0 Vlan1

!

ip classless

ip http server

2950G配置:

interface FastEthernet0/1

switchport access vlan 3

no ip address

!

interface FastEthernet0/2

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/3

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/4

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/5

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/6

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/7

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/8

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/9

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/10

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/11

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/12

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/13

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/14

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/15

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/16

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/17

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/18

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/19

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/20

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/21

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/22

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/23

switchport access vlan 3

switchport protected

no ip address

!

interface FastEthernet0/24

switchport access vlan 3

switchport protected

no ip address

!

interface GigabitEthernet0/1

switchport trunk encapsulation dot1q

no ip address

!

interface GigabitEthernet0/2

no ip address

!

interface Vlan1

no ip address

FW:领导,这个例子不能称之为PVLAN吧。

PVLAN的简介如下:PVLAN技术

现在有了一种新的VLAN机制,服务器同在一个子网中,但服务器只能与自己的缺省网关通信。这一新的VLAN特性就是专用VLAN(private VLAN, pVLAN)。专用VLAN是第2层的机制,在同一个2层域中有两类不同安全级别的访问端口。与服务器连接的端口称作专用端口(Private port),一个专用端口限定在第2层,它只能发送流量到混杂端口,也只能检测从混杂端口来的流量。混杂端口(Promioscuous port)没有专用端口的限定,它与路由器或第3层交换机接口相连。简单地说,在一个专用VLAN内,专用端口收到的流量只能发往混杂端口,混杂端口收到的流量可以发往所有端口(混杂端口和专用端口)。

专 用 VLAN 的 应 用 对于保证城域接入网络的数据通讯的安全性 是 非 常 有 效的用户只需与自己的缺省网关连接,一个专用VLAN不需要多个VLAN 和IP 子 网 就 提 供 了 具备第二层数据通讯安全性的连接,所有的用户都接入专用 VLAN,从而实现了所有用户与缺省网关的连接,而与专用VLAN内的其他用户没

 
 
 
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