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  • 3550EMI限速試驗報告

    發表于:2007-06-20來源:作者:點擊數: 標簽:
    拓撲: pc1-------default vlan 1--3550-24-emi--f0/24-------pc2 配置: pc1:192.168.1.7 255.255.255.0 192.168.1.222 vlan 1:192.168.1.222 255.255.255.0 f0/24:192.168.2.1 255.255.255.0 pc2:192.168.2.20 255.255.255.0 192.168.2.1 交換機的情況: IOS

       
      拓撲:
      pc1-------default vlan 1--3550-24-emi--f0/24-------pc2
      配置:
      pc1:192.168.1.7 255.255.255.0 192.168.1.222
      vlan 1:192.168.1.222 255.255.255.0
      f0/24:192.168.2.1 255.255.255.0

      pc2:192.168.2.20 255.255.255.0 192.168.2.1
      
      交換機的情況:
      IOS版本:12.1.8EA1c EMI
      Switch#sh run
      Building configuration...
      
      Current configuration : 1835 bytes
      !
      version 12.1
      no service pad
      service timestamps debug uptime
      service timestamps log uptime
      no service password-encryption
      !
      hostname Switch
      !
      !
      ip su.net-zero
      ip routing
      mls qos
      !
      class-map match-all 64k
      match aclearcase/" target="_blank" >ccess-group 110
      !
      !
      policy-map yikai
      class 64k
      police 512000 32000 exceed-action drop
      !
      !
      spanning-tree extend system-id
      !
      !
      !
      interface FastEthernet0/1
      switchport mode access
      no ip address
      service-policy input yikai
      !
      interface FastEthernet0/2
      no ip address
      !
      interface FastEthernet0/3
      no ip address
      !
      interface FastEthernet0/4
      no ip address
      !
      interface FastEthernet0/5
      no ip address
      !
      interface FastEthernet0/6
      no ip address
      !
      interface FastEthernet0/7
      no ip address
      !
      interface FastEthernet0/8
      no ip address
      !
      interface FastEthernet0/9
      no ip address
      !
      interface FastEthernet0/10
      no ip address
      !
      interface FastEthernet0/11
      no ip address
      !
      interface FastEthernet0/12
      no ip address
      !
      interface FastEthernet0/13
      no ip address
      !
      interface FastEthernet0/14
      no ip address
      !
      interface FastEthernet0/15
      no ip address
      !
      interface FastEthernet0/16
      no ip address
      !
      interface FastEthernet0/17
      no ip address
      !
      interface FastEthernet0/18
      no ip address
      !
      interface FastEthernet0/19
      no ip address
      !
      interface FastEthernet0/20
      no ip address
      !
      interface FastEthernet0/21
      no ip address
      !
      interface FastEthernet0/22
      no ip address
      !
      interface FastEthernet0/23
      no ip address
      !
      interface FastEthernet0/24
      no switchport
      ip address 192.168.2.1 255.255.255.0
      service-policy input yikai
      !
      interface GigabitEthernet0/1
      no ip address
      !
      interface GigabitEthernet0/2
      no ip address
      !
      interface Vlan1
      ip address 192.168.1.222 255.255.255.0
      !
      ip classless
      ip http server
      !
      access-list 110 permit ip host 192.168.2.20 any
      access-list 110 permit ip any any
      !
      line con 0
      line vty 0 4
      login
      line vty 5 15
      login
      !
      end
      
      此時在客戶機pc2從pc1上拷貝文件,大約40M
      時間大約:12分鐘
      
      Switch#sh mls qos interface f 0/1 sta
      FastEthernet0/1
      Ingress
      dscp: incoming no_change classified policed dropped (in bytes)
      Others: 385021895 385021895 0 0 12197478
      Egress
      dscp: incoming no_change classified policed dropped (in bytes)
      Others: 9553871 n/a n/a 0 0
      
      Switch#sh mls qos interface f 0/1 sta
      FastEthernet0/1
      Ingress
      dscp: incoming no_change classified policed dropped (in bytes)
      Others: 385369437 385369437 0 0 12259540
      Egress
      dscp: incoming no_change classified policed dropped (in bytes)
      Others: 9562103 n/a n/a 0 0
      
      從中發現有大量的dropped,且增加很快.
      如果在interface f 0/1
      no service-map input yikai
      則沒有應用policy-map yikai ,此時同樣的文件傳速速度很快,
      大約只需要3分鐘.
      可見:
      {在3550emi上面可以實現端口限速,并且不局限在1M}
      
      作者litouch

    原文轉自:http://www.kjueaiud.com

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