WAC380-60本地Portal MAC-Trigger+LDAP认证无感知重认证问题

WAC380-60配置本地Portal MAC-Trigger快速认证，采用LDAP账号认证登录，现在问题是如果每天连接同一个wifi，不用重认证，隔一天再次连接WiFi就会弹出界面需要认证，认证后不能上网，需要下线重新再次认证才可以上网。

配置如下：

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dhcp server ip-pool vlan1033

 gateway-list 192.100.33.254

 network 192.100.33.0 mask 255.255.255.0

 dns-list 114.114.114.114 223.5.5.5

 expired day 0 hour 8

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interface Vlan-interface1033

 ip address 192.100.33.254 255.255.255.0

 dhcp server apply ip-pool vlan1033

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ldap server ldap

 login-dn cn=acadmin,cn=users,dc=gwdg,dc=com,dc=cn

 search-base-dn dc=gwdg,dc=com,dc=cn

 ip 192.100.4.53

 login-password cipher $c$3$Ko8C9FkYIL4QCWta4S2HIgPZdtPVjB2ZCyUWDYaw

 user-parameters user-name-attribute samaccountname

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ldap scheme ldap

 authentication-server ldap

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domain ldap

 authorization-attribute idle-cut 43200 1024

 authentication portal ldap-scheme ldap

 authorization portal none

 accounting portal none

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domain local

 authorization-attribute idle-cut 43200 10240

 authentication portal local

 authorization portal none

 accounting portal none

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 portal free-rule 10 destination ip any tcp 53

 portal free-rule 20 destination ip any udp 53

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portal web-server portal

 url http://192.100.33.254/portal

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portal local-web-server http 

 default-logon-page abc2.zip

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portal mac-trigger-server portal

 ip 192.100.33.254

 local-binding aging-time 43200

 local-binding enable

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 portal roaming enable

 undo portal refresh arp enable

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wlan service-template portal

 ssid portal

 vlan 1033

 portal enable method direct

 portal domain ldap

 portal apply web-server portal

 portal apply mac-trigger-server portal

 service-template enable

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