Topology :
Pc1-------default vlan 1--3550-24-emi--f0/24-------pc2
Allocation :
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
Pc2:192.168.2.20 192.168.2.1 255.255.255.0

Switch :
12.1.8EA1c EMI version of IOS version :
Switch#sh run
Building configuration. . .

Current configuration : 1835 bytes
!
Version 12.1
No service PADE
Killing uptime service timestamps
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
14.00 64k
512000 32000 exceed-action police 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
255.255.255.0 ip address 192.168.1.222
!
Ip classless
Ip http server
!
Access-list 110 permit ip any host 192.168.2.20
110 permit ip any any access-list
!
Line con 0
Line vty 0 4
Login
Line vty 5 15
Login
!
End

From the moment the client pc1 pc2 on copies of documents about 40M
Time : About 12 minutes

Mixed Switch#sh mls qos interface f 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 0 0 n/an/a

Mixed Switch#sh mls qos interface f 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 0 0 n/an/a

Police discovered a large number of dropped, and has grown rapidly.
If the interface f Mixed
No input yikai service-map
No application policy-map yikai, the same time the paper pyramid speed very quickly.
Only about three minutes.
Can be found at :
3550emi above can be achieved in the port speed, and not limited to 1M
Question :
The specific meaning of the above? Also this statement : "My client pc1 pc2 on copies of documents from about 40M
Time : About 12 minutes, "is how to understand you? Copy any documents to you? How copy?
Experts hope they can return as soon as possible to help. Thank you first! ! !
_________
Network your life achievements I
In my life would thank all those who helped me!