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privatevlan在智能化小區中的應用

2019-11-04 20:59:49
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來源:轉載
供稿:網友

  目的:希望實現每個客戶之間不通訊,但同時利用一個網關連接到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:領導,這個例子不能稱之為PVLAN吧。
  PVLAN的簡介如下:PVLAN技術
  現在有了一種新的VLAN機制,服務器同在一個子網中,但服務器只能與自己的缺省網關通信。這一新的VLAN特性就是專用VLAN(private VLAN, pVLAN)。專用VLAN是第2層的機制,在同一個2層域中有兩類不同安全級別的訪問端口。與服務器連接的端口稱作專用端口(Private port),一個專用端口限定在第2層,它只能發送流量到混雜端口,也只能檢測從混雜端口來的流量。混雜端口(Promioscuous port)沒有專用端口的限定,它與路由器或第3層交換機接口相連。簡單地說,在一個專用VLAN內,專用端口收到的流量只能發往混雜端口,混雜端口收到的流量可以發往所有端口(混雜端口和專用端口)。
  
  專 用 VLAN 的 應 用 對于保證城域接入網絡的數據通訊的安全性 是 非 常 有 效的用戶只需與自己的缺省網關連接,一個專用VLAN不需要多個VLAN 和IP 子 網 就 提 供 了 具備第二層數據通訊安全性的連接,所有的用戶都接入專用 VLAN,從而實現了所有用戶與缺省網關的連接,而與專用VLAN內的其他用戶沒


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