AP下同网段用户不能互通问题

同一vlan下用户不能互ping，并且在AC上使用接口地址ping用户地址也不能通，请问是什么问题，请知道的告诉下，下面是关键配置

dhcp server ip-pool ap_user

 network 192.168.1.0 mask 255.255.255.0

 gateway-list 192.168.1.254

 dns-list 61.139.2.69

#

wlan service-template 1 crypto

 ssid SCXH_5G

 bind WLAN-ESS 1

 cipher-suite ccmp

 security-ie rsn

 service-template enable

interface Vlan-interface3

 description user

 ip address 192.168.1.254 255.255.255.0

#

interface WLAN-ESS1

 port access vlan 3

 port-security port-mode psk

 port-security tx-key-type 11key

 port-security preshared-key pass-phrase cipher $c$3$qXxKnoPzgjkVHixCmP9TkmCD0L5R05A+Ngfw

 undo dot1x multicast-trigger

#

wlan ap 487a-da1c-8c40 model WA2620i-AGN id 8

 ap-name ap2

 serial-id 219801A0CMC163000464

 radio 1

  service-template 1

  radio enable

 radio 2

  service-template 1

  radio enable

#