Cisco WS-C3550-24-SMI换成H3C S3600-28TP-SI vlan间拷贝大文件非常慢

学校原来的核心交换机是Cisco WS-C3550-24-SMI，分了n个vlan，在各个vlan间拷贝大文件的速度非常快（大约10MB/s），但后来出于教学目的，需要将其换下做实验，所以使用H3C的S3600-28TP-SI替代。
换线、配置后，已经可以在原来的网络里使用，浏览网页没有问题，但发现拷贝文件非常的慢（大约1.5MB/s），这个速度完全受不了，不知是什么地方设置错误还是设置不恰当，请指教！  先谢过了！

原3550的配置：
!
! Last configuration change at 08:48:31 UTC Tue Jan 29 2008
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log datetime
service password-encryption
service sequence-numbers
!
hostname BS3550
!
enable secret 5 $1$fJmg$nn1Pxf0YiR19fjIK5DOxf1
enable password 7 083B484C1A
!
no aaa new-model
clock timezone UTC 8
errdisable recovery cause link-flap
errdisable recovery interval 60
mls qos map cos-dscp 0 8 16 26 32 46 46 56
mls qos
udld aggressive

ip subnet-zero
ip routing
no ip domain-lookup
ip domain-name zdclass.com
ip dhcp relay information option
!
ip dhcp-server 192.168.6.4
!
!
!
macro global description cisco-global | cisco-global
no file verify auto
!
spanning-tree mode rapid-pvst
spanning-tree loopguard default
spanning-tree portfast bpduguard default
spanning-tree extend system-id
!
vlan internal allocation policy ascending
!
!
interface FastEthernet0/1
description Module Class
switchport access vlan 10
switchport mode access
switchport port-security maximum 30
!
interface FastEthernet0/2
description National Class
switchport access vlan 11
switchport mode access
switchport port-security maximum 30
!
interface FastEthernet0/3
description Projection Class 1
switchport access vlan 12
switchport mode access
!
interface FastEthernet0/4
description Projection Class 2
switchport access vlan 13
switchport mode access
switchport port-security maximum 10
!
interface FastEthernet0/5
description Hardware Class
switchport access vlan 14
switchport mode access
switchport port-security maximum 20
!
interface FastEthernet0/6
description Network Class
switchport access vlan 15
switchport mode access
switchport port-security maximum 20
!
interface FastEthernet0/7
description Projection Class 3
switchport access vlan 16
switchport mode access
!
interface FastEthernet0/8
description Hall 1
switchport access vlan 17
switchport mode access
!
interface FastEthernet0/9
description Hall 2
switchport access vlan 18
switchport mode access
switchport port-security maximum 30
!
interface FastEthernet0/10
description Hall 3
switchport access vlan 19
switchport mode access
switchport port-security maximum 30
!
interface FastEthernet0/11
description Recruit Dep.
switchport access vlan 6
switchport mode access
switchport port-security maximum 30
!
interface FastEthernet0/12
description Edu. Adm. Dep.
switchport access vlan 21
switchport mode access
!
interface FastEthernet0/13
description Examine Center
switchport access vlan 22
switchport mode access
switchport port-security maximum 10
!
interface FastEthernet0/14
description Exam to Hardware
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/15
description Examcenter
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/16
description Picture
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/17
description OraDB
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/18
description TermServer
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/19
description Prometric
switchport access vlan 30
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/20
description NOT USE
switchport mode dynamic desirable
!
interface FastEthernet0/21
description NAS
switchport access vlan 6
switchport mode access
!
interface FastEthernet0/22
description LinuxS2
switchport access vlan 6
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/23
description PPPoE Server
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10-22,30
switchport mode trunk
!
interface FastEthernet0/24
description NetAdministrator
switchport trunk encapsulation dot1q
switchport mode trunk
spanning-tree portfast trunk
!
interface GigabitEthernet0/1
switchport mode access
!
interface GigabitEthernet0/2
switchport mode access
!
interface Vlan1
no ip address
!
interface Vlan6
ip address 192.168.6.254 255.255.255.0
!
interface Vlan10
ip address 192.168.10.254 255.255.255.0
ip helper-address 192.168.6.4
!
interface Vlan11
ip address 192.168.11.254 255.255.255.0
ip helper-address 192.168.6.4
!
interface Vlan12
ip address 192.168.12.254 255.255.255.0
ip helper-address 192.168.6.4
!
interface Vlan13
ip address 192.168.13.254 255.255.255.0
ip helper-address 192.168.6.4
!
interface Vlan14
ip address 192.168.14.254 255.255.255.0
ip helper-address 192.168.6.4
!
interface Vlan15
ip address 192.168.15.254 255.255.255.0
ip helper-address 192.168.6.4
ip helper-address 192.168.0.100
!
interface Vlan16
ip address 192.168.16.254 255.255.255.0
ip helper-address 192.168.6.4
!
interface Vlan17
ip address 192.168.17.254 255.255.255.0
ip helper-address 192.168.6.4
!
interface Vlan18
ip address 192.168.18.254 255.255.255.0
ip helper-address 192.168.6.4
!
interface Vlan19
ip address 192.168.19.254 255.255.255.0
ip helper-address 192.168.6.4
!
interface Vlan20
ip address 192.168.20.254 255.255.255.0
ip helper-address 192.168.6.4
!
interface Vlan21
ip address 192.168.5.254 255.255.255.0
ip helper-address 192.168.6.4
!
interface Vlan22
ip address 192.168.22.254 255.255.255.0
ip helper-address 192.168.6.4
ip helper-address 192.168.0.100
!
interface Vlan30
ip address 192.168.0.254 255.255.255.0
!
ip classless
ip forward-protocol udp bootpc
ip forward-protocol udp ntp
ip forward-protocol udp snmp
ip forward-protocol udp syslog
ip route 0.0.0.0 0.0.0.0 192.168.6.3
ip http server
!
!
control-plane
!
!
line con 0
exec-timeout 0 0
line vty 0 4
password 7 05080F1C2243
login
line vty 5 15
no login
!
!
monitor session 1 source vlan 10 - 20 , 30 rx
monitor session 1 destination interface Fa0/24 encapsulation dot1q
ntp clock-period 17180329
ntp server 192.43.244.18
end

3600-28TP的配置：

#
sysname BS-3600
#
super password level 3 cipher H"\a<:>aA&_Q=^Q`MAF4<1!!
#
dhcp-server 1 ip  192.168.6.4
dhcp relay information enable
#
am enable
#
radius scheme system
#
domain system
#
local-user admin
password cipher H"\a<:>aA&_Q=^Q`MAF4<1!!
service-type lan-access
service-type ssh telnet terminal
level 3
#
vlan 1
#
vlan 6
description 6Segment
#                                       
vlan 10
description C_MODULE
#
vlan 11
description C_NATIONAL
#
vlan 12
description C_P1
#
vlan 13
description EXAMCENTER
#
vlan 14
description C_HW
#
vlan 15
description C_NETWORK
#
vlan 16
description C_P2
#
vlan 17
description C_P3
#                                       
vlan 18
description HALL_1
#
vlan 19
description HALL_2
#
vlan 20
description HALL_3
#
vlan 21
description O_RECRUIT
#
vlan 22
description O_EDADMIN
#
vlan 30
description SERVERS
#
interface Vlan-interface1
ip address 1.1.1.1 255.255.255.0
#
interface Vlan-interface6
ip address 192.168.6.254 255.255.255.0
#                                       
interface Vlan-interface10
ip address 192.168.10.254 255.255.255.0
dhcp-server 1
#
interface Vlan-interface11
ip address 192.168.11.254 255.255.255.0
dhcp-server 1
#
interface Vlan-interface12
ip address 192.168.12.254 255.255.255.0
dhcp-server 1
#
interface Vlan-interface13
ip address 192.168.13.254 255.255.255.0
dhcp-server 1
#
interface Vlan-interface14
ip address 192.168.14.254 255.255.255.0
dhcp-server 1
#
interface Vlan-interface15
ip address 192.168.15.254 255.255.255.0
dhcp-server 1
udp-helper server 192.168.0.100         
#
interface Vlan-interface16
ip address 192.168.16.254 255.255.255.0
dhcp-server 1
#
interface Vlan-interface17
ip address 192.168.17.254 255.255.255.0
dhcp-server 1
#
interface Vlan-interface18
ip address 192.168.18.254 255.255.255.0
dhcp-server 1
#
interface Vlan-interface19
ip address 192.168.19.254 255.255.255.0
dhcp-server 1
#
interface Vlan-interface20
ip address 192.168.20.254 255.255.255.0
dhcp-server 1
#
interface Vlan-interface21
ip address 192.168.5.254 255.255.255.0
dhcp-server 1                           
#
interface Vlan-interface22
ip address 192.168.22.254 255.255.255.0
dhcp-server 1
#
interface Vlan-interface30
ip address 192.168.0.254 255.255.255.0
dhcp-server 1
#
interface Aux1/0/0
#
interface Ethernet1/0/1
duplex full
speed 100
port access vlan 10
#
interface Ethernet1/0/2
duplex full
speed 100
port access vlan 11
#
interface Ethernet1/0/3
duplex full
speed 100                              
port access vlan 12
#
interface Ethernet1/0/4
duplex full
speed 100
port access vlan 13
#
interface Ethernet1/0/5
duplex full
speed 100
port access vlan 14
#
interface Ethernet1/0/6
duplex full
speed 100
port access vlan 15
#
interface Ethernet1/0/7
duplex full
speed 100
port access vlan 16
#
interface Ethernet1/0/8
duplex full                             
speed 100
port access vlan 17
#
interface Ethernet1/0/9
duplex full
speed 100
port access vlan 18
#
interface Ethernet1/0/10
duplex full
speed 100
port access vlan 19
#
interface Ethernet1/0/11
port access vlan 6
#
interface Ethernet1/0/12
duplex full
speed 100
port access vlan 21
#
interface Ethernet1/0/13
duplex full
speed 100                              
port access vlan 22
#
interface Ethernet1/0/14
duplex full
speed 100
port access vlan 30
#
interface Ethernet1/0/15
duplex full
speed 100
port access vlan 30
#
interface Ethernet1/0/16
duplex full
speed 100
port access vlan 30
#
interface Ethernet1/0/17
duplex full
speed 100
shutdown
port access vlan 30
#
interface Ethernet1/0/18                 
duplex full
speed 100
port access vlan 30
#
interface Ethernet1/0/19
duplex full
speed 100
port access vlan 30
#
interface Ethernet1/0/20
duplex full
speed 100
#
interface Ethernet1/0/21
duplex full
speed 100
port access vlan 6
#
interface Ethernet1/0/22
duplex full
speed 100
port access vlan 6
#
interface Ethernet1/0/23                 
duplex full
speed 100
port link-type trunk
port trunk permit vlan all
#
interface Ethernet1/0/24
stp disable
duplex full
speed 100
#
interface GigabitEthernet1/1/1
#
interface GigabitEthernet1/1/2
#
interface GigabitEthernet1/1/3
#
interface GigabitEthernet1/1/4
#
undo irf-fabric authentication-mode
#
interface NULL0
#
voice vlan mac-address 0001-e300-0000 mask ffff-ff00-0000
#                                       
ip route-static 0.0.0.0 0.0.0.0 192.168.6.3 preference 60
#
#
ntp-service unicast-server 192.43.244.18
#
telnet-server source-interface Vlan-interface1
#
user-interface aux 0 7
user-interface vty 0 1
user privilege level 3
set authentication password cipher H"\a<:>aA&_Q=^Q`MAF4<1!!
user-interface vty 2 4
#
return