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private vlan 在智能化小区中的应用
   来源:互联网    点击数:   发布时间:2007年10月16日   

  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
  
  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)。


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