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3550 EMI 限速试验报告
it.no1edu.net 佚名 本站原创 2006-8-3 23:16:08【字体:


 拓扑:
  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
  
  交换机的情况:
  IOS版本:12.1.8EA1c EMI版
  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 subnet-zero
  ip routing
  mls qos
  !
  class-map match-all 64k
  match access-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
  
  此时在客户机pc2从pc1上拷贝文件,大约40M
  时间大约:12分钟
  
  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
  
  从中发现有大量的dropped,且增加很快.
  如果在interface f 0/1
  no service-map input yikai
  则没有应用policy-map yikai ,此时同样的文件传速速度很快,
  大约只需要3分钟.
  可见:
  {在3550emi上面可以实现端口限速,并且不局限在1M}
  
  作者litouch


 

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