S5560S-52P-SI 上网缓慢

最近感觉上网比较缓慢，通过PC ping核心交换机地址253，无丢包。ping 路由器地址存在丢包，有时丢包严重。在ping 淘宝百度地址丢包率很高。

打开网页时看ping 很正常的情况下打开网页缓慢或者打不开，拓扑图及交换机配置如下，请问有没有大佬帮忙分析下什么情况

[S5560S-52P-SI]dis cu

#

 version 7.1.070, Release 6113

#

 sysname S5560S-52P-SI

#

 clock timezone Lisbon add 00:00:00

 clock protocol none

#

 telnet server enable

#

 irf mac-address persistent timer

 irf auto-update enable

 undo irf link-delay

 irf member 1 priority 1

#

 mac-authentication

#

 dhcp enable

#

 lldp global enable

#

 password-recovery enable

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vlan 1

#

vlan 110 to 116

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vlan 120

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qos policy WebIf_21_0

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qos policy WebIf_21_1

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 stp bpdu-protection

 stp global enable

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dhcp server ip-pool vlan111

 gateway-list 192.168.111.254

 network 192.168.111.0 mask 255.255.255.0

 address range 192.168.111.40 192.168.111.149

 dns-list 192.168.120.254

#

dhcp server ip-pool vlan112

 gateway-list 192.168.112.254

 network 192.168.112.0 mask 255.255.255.0

 address range 192.168.112.40 192.168.112.149

 dns-list 192.168.120.254

#

dhcp server ip-pool vlan113

 gateway-list 192.168.113.254

 network 192.168.113.0 mask 255.255.255.0

 address range 192.168.113.40 192.168.113.149

 dns-list 192.168.120.254

#

dhcp server ip-pool vlan114

 gateway-list 192.168.114.254

 network 192.168.114.0 mask 255.255.255.0

 address range 192.168.114.40 192.168.114.149

 dns-list 192.168.120.254

#

dhcp server ip-pool vlan115

 gateway-list 192.168.115.254

 network 192.168.115.0 mask 255.255.255.0

 address range 192.168.115.40 192.168.115.149

 dns-list 192.168.120.254

#

dhcp server ip-pool vlan116

 gateway-list 192.168.116.254

 network 192.168.116.0 mask 255.255.255.0

 address range 192.168.116.40 192.168.116.149

 dns-list 192.168.120.254

#

interface NULL0

#

interface Vlan-interface110

 ip address 192.168.110.254 255.255.255.0

 local-proxy-arp enable

 dhcp server apply ip-pool vlan110

#

interface Vlan-interface111

 ip address 192.168.111.254 255.255.255.0

 local-proxy-arp enable

 packet-filter 3001 inbound

 dhcp server apply ip-pool vlan111

#

interface Vlan-interface112

 ip address 192.168.112.254 255.255.255.0

 local-proxy-arp enable

 packet-filter 3001 inbound

 dhcp server apply ip-pool vlan112

#

interface Vlan-interface113

 ip address 192.168.113.254 255.255.255.0

 local-proxy-arp enable

 packet-filter 3001 inbound

 dhcp server apply ip-pool vlan113

#

interface Vlan-interface114

 ip address 192.168.114.254 255.255.255.0

 local-proxy-arp enable

 packet-filter 3001 inbound

 dhcp server apply ip-pool vlan114

#

interface Vlan-interface115

 ip address 192.168.115.254 255.255.255.0

 local-proxy-arp enable

 packet-filter 3001 inbound

 dhcp server apply ip-pool vlan115

#

interface Vlan-interface116

 ip address 192.168.116.254 255.255.255.0

 local-proxy-arp enable

 packet-filter 3001 inbound

 dhcp server apply ip-pool vlan116

#

interface Vlan-interface120

 ip address 192.168.120.253 255.255.255.0

#

interface GigabitEthernet1/0/1

 port access vlan 120

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interface GigabitEthernet1/0/2

 port access vlan 120

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interface GigabitEthernet1/0/3

 port access vlan 110

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interface GigabitEthernet1/0/4

 port access vlan 110

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interface GigabitEthernet1/0/5

 port access vlan 110

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interface GigabitEthernet1/0/6

 port access vlan 110

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interface GigabitEthernet1/0/7

 port access vlan 110

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interface GigabitEthernet1/0/8

 port access vlan 110

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interface GigabitEthernet1/0/9

 port access vlan 110

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interface GigabitEthernet1/0/10

 port access vlan 110

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interface GigabitEthernet1/0/11

 port access vlan 110

 dot1x

#

interface GigabitEthernet1/0/12

 port access vlan 110

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interface GigabitEthernet1/0/13

 port access vlan 110

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interface GigabitEthernet1/0/14

 port access vlan 110

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interface GigabitEthernet1/0/15

 port access vlan 110

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interface GigabitEthernet1/0/16

 port access vlan 110

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interface GigabitEthernet1/0/17

 port access vlan 110

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interface GigabitEthernet1/0/18

 port access vlan 110

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interface GigabitEthernet1/0/19

 port access vlan 110

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interface GigabitEthernet1/0/20

 port access vlan 110

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interface GigabitEthernet1/0/21

 port access vlan 110

 qos apply policy WebIf_21_0 inbound

 qos apply policy WebIf_21_1 outbound

#

interface GigabitEthernet1/0/22

 port access vlan 110

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interface GigabitEthernet1/0/23

 port access vlan 110

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interface GigabitEthernet1/0/24

 port access vlan 110

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interface GigabitEthernet1/0/25

 port access vlan 110

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interface GigabitEthernet1/0/26

 port access vlan 110

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interface GigabitEthernet1/0/27

 port access vlan 110

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interface GigabitEthernet1/0/28

 port access vlan 110

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interface GigabitEthernet1/0/29

 port access vlan 110

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interface GigabitEthernet1/0/30

 port access vlan 110

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interface GigabitEthernet1/0/31

 port access vlan 111

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interface GigabitEthernet1/0/32

 port access vlan 111

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interface GigabitEthernet1/0/33

 port access vlan 112

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interface GigabitEthernet1/0/34

 port access vlan 112

#

interface GigabitEthernet1/0/35

 port access vlan 113

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interface GigabitEthernet1/0/36

 port access vlan 113

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interface GigabitEthernet1/0/37

 port access vlan 114

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interface GigabitEthernet1/0/38

 port access vlan 114

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interface GigabitEthernet1/0/39

 port access vlan 115

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interface GigabitEthernet1/0/40

 port access vlan 115

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interface GigabitEthernet1/0/41

 port access vlan 116

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interface GigabitEthernet1/0/42

 port access vlan 116

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interface GigabitEthernet1/0/43

 port access vlan 116

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interface GigabitEthernet1/0/44

 port access vlan 116

#

interface GigabitEthernet1/0/45

 port access vlan 116

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interface GigabitEthernet1/0/46

 port access vlan 116

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interface GigabitEthernet1/0/47

 port access vlan 116

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interface GigabitEthernet1/0/48

 port access vlan 116

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interface GigabitEthernet1/0/49

 port access vlan 112

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interface GigabitEthernet1/0/50

 port access vlan 113

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interface GigabitEthernet1/0/51

 port access vlan 114

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interface GigabitEthernet1/0/52

 port access vlan 116

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 scheduler logfile size 16

#

line class aux

 user-role network-admin

#

line class vty

 user-role network-operator

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line aux 0

 user-role network-admin

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line vty 0 15

 authentication-mode scheme

 user-role network-operator

#

line vty 16 63

 user-role network-operator

#

 ip route-static 0.0.0.0 0 192.168.120.254

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 arp static 192.168.110.223 0025-643b-59b4 110 GigabitEthernet1/0/7

 arp static 192.168.110.248 0211-322c-3385

 arp static 192.168.113.64 4e29-bf86-b017 113 GigabitEthernet1/0/36

#

acl advanced 3001

 rule 0 deny ip source 192.168.111.0 0.0.0.255 destination 192.168.112.0 0.0.0.255

 rule 5 deny ip source 192.168.111.0 0.0.0.255 destination 192.168.113.0 0.0.0.255

 rule 10 deny ip source 192.168.111.0 0.0.0.255 destination 192.168.114.0 0.0.0.255

 rule 15 deny ip source 192.168.111.0 0.0.0.255 destination 192.168.115.0 0.0.0.255

 rule 20 deny ip source 192.168.111.0 0.0.0.255 destination 192.168.116.0 0.0.0.255

 rule 25 deny ip source 192.168.112.0 0.0.0.255 destination 192.168.111.0 0.0.0.255

 rule 30 deny ip source 192.168.112.0 0.0.0.255 destination 192.168.113.0 0.0.0.255

 rule 35 deny ip source 192.168.112.0 0.0.0.255 destination 192.168.114.0 0.0.0.255

 rule 40 deny ip source 192.168.112.0 0.0.0.255 destination 192.168.115.0 0.0.0.255

 rule 45 deny ip source 192.168.112.0 0.0.0.255 destination 192.168.116.0 0.0.0.255

 rule 50 deny ip source 192.168.113.0 0.0.0.255 destination 192.168.111.0 0.0.0.255

 rule 55 deny ip source 192.168.113.0 0.0.0.255 destination 192.168.112.0 0.0.0.255

 rule 60 deny ip source 192.168.113.0 0.0.0.255 destination 192.168.114.0 0.0.0.255

 rule 65 deny ip source 192.168.113.0 0.0.0.255 destination 192.168.115.0 0.0.0.255

 rule 70 deny ip source 192.168.113.0 0.0.0.255 destination 192.168.116.0 0.0.0.255

 rule 75 deny ip source 192.168.114.0 0.0.0.255 destination 192.168.111.0 0.0.0.255

 rule 80 deny ip source 192.168.114.0 0.0.0.255 destination 192.168.112.0 0.0.0.255

 rule 85 deny ip source 192.168.114.0 0.0.0.255 destination 192.168.113.0 0.0.0.255

 rule 90 deny ip source 192.168.114.0 0.0.0.255 destination 192.168.115.0 0.0.0.255

 rule 95 deny ip source 192.168.114.0 0.0.0.255 destination 192.168.116.0 0.0.0.255

 rule 100 deny ip source 192.168.115.0 0.0.0.255 destination 192.168.111.0 0.0.0.255

 rule 105 deny ip source 192.168.115.0 0.0.0.255 destination 192.168.112.0 0.0.0.255

 rule 110 deny ip source 192.168.115.0 0.0.0.255 destination 192.168.113.0 0.0.0.255

 rule 115 deny ip source 192.168.115.0 0.0.0.255 destination 192.168.114.0 0.0.0.255

 rule 120 deny ip source 192.168.115.0 0.0.0.255 destination 192.168.116.0 0.0.0.255

 rule 125 deny ip source 192.168.116.0 0.0.0.255 destination 192.168.111.0 0.0.0.255

 rule 130 deny ip source 192.168.116.0 0.0.0.255 destination 192.168.112.0 0.0.0.255

 rule 135 deny ip source 192.168.116.0 0.0.0.255 destination 192.168.113.0 0.0.0.255

 rule 140 deny ip source 192.168.116.0 0.0.0.255 destination 192.168.114.0 0.0.0.255

 rule 145 deny ip source 192.168.116.0 0.0.0.255 destination 192.168.115.0 0.0.0.255

#

acl advanced 3002

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radius scheme system

 user-name-format without-domain

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domain system

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 domain default enable system

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role name level-0

 description Predefined level-0 role

#

role name level-1

 description Predefined level-1 role

#

role name level-2

 description Predefined level-2 role

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role name level-3

 description Predefined level-3 role

#

role name level-4

 description Predefined level-4 role

#

role name level-5

 description Predefined level-5 role

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role name level-6

 description Predefined level-6 role

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role name level-7

 description Predefined level-7 role

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role name level-8

 description Predefined level-8 role

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role name level-9

 description Predefined level-9 role

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role name level-10

 description Predefined level-10 role

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role name level-11

 description Predefined level-11 role

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role name level-12

 description Predefined level-12 role

#

role name level-13

 description Predefined level-13 role

#

role name level-14

 description Predefined level-14 role

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user-group 12

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user-group system