WX2510H 部分终端连不上

WX2510H 管理4320AP 出现部分终端获取不IP的情况，从终端上线状态，终端集中某个AP，终端移动时，切换会丢包 断网，AC升级到最新版本也是一样，以下日志，请帮忙分析指导，谢谢！

%Sep 17 23:53:37:595 2019 WX2510H STAMGR/6/STAMGR_CLIENT_ONLINE: Client 8013-822 7-be72 went online from BSS 88df-9ef2-1110 vlan 20 with SSID H3C-D on AP 88df-9e f2-1100 Radio ID 2. State changed to Run. %Sep 17 23:53:38:181 2019 WX2510H STAMGR/6/STAMGR_CLIENT_SNOOPING: Detected clie nt IP change: Client MAC: 8013-8227-be72, IP: 192.168.20.189, -NA-, -NA-, -NA-, Username: -NA-, AP name: 88df-9ef2-1100, Radio ID: 2, Channel number: 1, SSID: H3C-D, BSSID: 88df-9ef2-1110. %Sep 17 23:53:38:615 2019 WX2510H STAMGR/6/STAMGR_CLIENT_ONLINE: Client 1801-f15 2-0117 went online from BSS 88df-9ef2-1110 vlan 20 with SSID H3C-D on AP 88df-9e f2-1100 Radio ID 2. State changed to Run. %Sep 17 23:53:38:781 2019 WX2510H STAMGR/6/STAMGR_CLIENT_SNOOPING: Detected clie nt IP change: Client MAC: 1801-f152-0117, IP: 192.168.20.96, -NA-, -NA-, -NA-, U sername: -NA-, AP name: 88df-9ef2-1100, Radio ID: 2, Channel number: 1, SSID: H 3C-D, BSSID: 88df-9ef2-1110.