终端超过150，部分终端就会出现无法上网的问题

核心交换机 S5130-28F-SI 通过access连接路由器MSR36-20，核心交换下联AP的POE交换机，AC控制器WX2560H插核心交换机上

终端连接数150左右，部分终端会碰到，无线可以连上，能获取到IP，但是无法上网，可以ping通网关，但无法ping通路由器和AC控制器，哪位大佬能帮忙看下原因吗？

路由器配置

 telnet server enable

 dialer-group 1 rule ip permit

 dhcp enable

 dns proxy enable

 password-recovery enable

vlan 1

object-group ip address connlimitObjGrp_65072

 0 network range 192.168.16.2 192.168.31.250

#

dhcp server ip-pool lan1

 gateway-list 192.168.0.1

 network 192.168.0.0 mask 255.255.254.0

 address range 192.168.1.2 192.168.1.254

 dns-list 192.168.0.1

#

interface GigabitEthernet0/0

 port link-mode route

 combo enable copper

 ip address 192.168.9.253 255.255.255.0

interface GigabitEthernet0/2

 port link-mode route

 description Multiple_Line

 pppoe-client dial-bundle-number 0

#

security-zone name Local

#

security-zone name Trust

#              

#

line vty 0 63

 authentication-mode scheme

 user-role network-operator

#

 ip route-static 0.0.0.0 0 Dialer0

 ip route-static 192.168.16.0 20 192.168.9.254

#

acl basic name connlimitAcl_65072

 rule 65534 permit source object-group connlimitObjGrp_65072

#

acl basic name connlimitAcl_32_256

 rule 65534 permit

 ip http enable

wlan global-configuration

 control-address disable

wlan ap-group default-group

交换机配置

 telnet server enable

#

 irf mac-address persistent timer

 irf auto-update enable

 undo irf link-delay

 irf member 1 priority 1

#

 dhcp enable

#

 lldp global enable

#

 loopback-detection global enable vlan 1 to 4094 

 loopback-detection global action shutdown

#

 password-recovery enable

#

vlan 1

#

vlan 9         

#

vlan 15 to 16

#

vlan 108

#

 stp global enable

#

dhcp server ip-pool vlan9

 gateway-list 192.168.9.254

 network 192.168.9.0 mask 255.255.255.0

 address range 192.168.9.2 192.168.9.200

#

dhcp server ip-pool vlan16

 gateway-list 192.168.16.254

 network 192.168.16.0 mask 255.255.240.0

 address range 192.168.16.2 192.168.31.250

 dns-list 60.191.244.5 223.5.5.5

 expired day 0 hour 2

#

interface NULL0

#

interface Vlan-interface9

 ip address 192.168.9.254 255.255.255.0

#

interface Vlan-interface16

 ip address 192.168.16.254 255.255.240.0

#

interface GigabitEthernet1/0/1

 port link-type trunk

 undo port trunk permit vlan 1

 port trunk permit vlan 2 to 4094 

interface GigabitEthernet1/0/24

 port access vlan 9

 combo enable copper

 scheduler logfile size 16

 ip route-static 0.0.0.0 0 192.168.9.253

#

radius scheme system

 user-name-format without-domain

#

domain system

#

 domain default enable system