某局点WX3010H-L 部分打印机连接WA4320之后，无法ping 通网关问题
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组网及说明
组网：无
问题描述
某局点采用AC WX3010H-L和AP WA4320、WA4320-H20部署无线，部署完之后无线终端使用都比较正常，但是发现部分打印机连接WA4320之后，无法正常ping 通网关，换到WA4320-H20 上之后就能正常ping 通，查看两种型号的配置都是一样的，服务模板也是一样，终端IP地址也是一样。
测试结果：
过程分析
查看两个AP基本配置都是一样，信道也都是一样，空口基本差不多，但是连接故障ap时AP到打印机侧，报文根本发不出去，都是0。
1、对比空口信息
WA4320的空口：
===============display ar5drv 1 channelbusy===============
ChannelBusy information
Ctl Channel: 36 Channel Band:80M
Center Freq: 42
Record Interval(s): 9
Date/Month/Year: 22/06/2021
Time(h/m/s): CtlBusy(%) TxBusy(%) RxBusy(%) ExtBusy(%)
01 17:07:28 5 0 5 0
02 17:07:28 26 0 21 0
03 17:07:28 0 0 0 0
04 17:07:28 6 0 0 0
05 17:07:28 50 2 45 0
06 17:07:28 35 7 27 0
07 17:07:25 88 0 90 0
08 17:07:25 31 0 26 0
09 17:07:25 26 0 0 0
10 17:07:25 6 0 1 0
11 17:07:25 46 1 43 0
打印机发送报文情况：
Station AID(3) Hash(3) Mac(x-x-0f2c) IsTargetready(YES) Used(YES) Ht:(YES) VHt:(NO)
Bss BssIdx(0) MacAddr(x-x-a900) IsSREnable:0 IsPbss:0 Beacon:(Y) Status(Run)
SrTxCnt 0, SrPreDelFlag 0, SrCheckCnt 0
[Status Information]:
PS status: Active PS Cnt: 0
PS Attrib: AC0 1, AC1 1, AC2 1, AC3 1
Last 2 minutes TX/RX: 3/0 packets/s, 2.394/0.519 Kbps
TX frame count 1378, TX frame bytes 133947
RX frame count 182, RX frame bytes 30805
TX retry pkts 1374, TX retry bytes 12927437
TX error count 1374, TX multi retry count 1374
TX success data pkts 4, TX success pkts 4
TX Retry data count 133156
RX Erro count 0
RX unicast data frame count 99
[Sched Information]:
[Security Info]:
KeyType :AES-CCM
KeyLen :16
KeyIndex:0
HostKey : fb|fa|d6|77|91|d1|1f|eb|58|0d|07|b0|58|1d|fb|d6|
[Rate control information]:
outbound cir:0 cbs:0 | inbound cir:0 cbs:0
tx buffered frames:0,rx buffered frames:0
Last three rssi:49,49,49
[0]:hwMaxRetryPktCnt:-4, Old Probe Time:643278MS
[1]:hwMaxRetryPktCnt:0, Old Probe Time:643278MS
[2]:hwMaxRetryPktCnt:0, Old Probe Time:643278MS
Last rate:6.5, rateMaxPhy:300.0, Last tx power:11
All valid rate(16):
13.5 27.0 27.0 40.5 54.0 54.0 81.0 81.0 108.0 108.0 121.5 135.0
162.0 216.0 243.0 300.0
[Station Current Rate Info]:
[rate RateFlag per TxCount OkCount RxCount Thruput AggrEr AggrOk ]
[13.5 H-4-S 60 18 0 0 5.3 3 0 ]
[27.0 H-4-S 60 0 0 0 10.4 0 0 ]
[27.0 H-4-D 60 0 0 0 10.3 0 0 ]
[40.5 H-4-S 60 23 0 0 15.4 0 0 ]
[54.0 H-4-S 60 16 0 0 19.6 0 0 ]
[54.0 H-4-D 60 0 0 0 19.9 0 0 ]
[81.0 H-4-S 60 24 0 0 29.4 0 0 ]
[81.0 H-4-D 60 0 0 0 29.2 0 0 ]
[108.0 H-4-S 60 0 0 0 39.1 0 0 ]
[108.0 H-4-D 60 0 0 0 38.8 0 0 ]
[121.5 H-4-S 60 0 0 0 44.0 0 0 ]
[135.0 H-4-S 60 0 0 0 48.9 0 0 ]
[162.0 H-4-D 60 0 0 0 58.2 0 0 ]
[216.0 H-4-D 60 0 0 1 76.1 0 0 ]
[243.0 H-4-D 60 0 0 0 84.8 0 0 ]
[300.0 H-4-D 60 0 0 96 93.3 0 0 ]
WA4320-H20的空口：
===============display ar5drv 1 channelbusy===============
ChannelBusy information
Ctl Channel: 36 Channel Band:80M
Center Freq: 42
Record Interval(s): 9
Date/Month/Year: 22/06/2021
Time(h/m/s): CtlBusy(%) TxBusy(%) RxBusy(%) ExtBusy(%)
01 16:45:07 0 0 0 0
02 16:45:07 13 0 13 0
03 16:45:07 39 0 36 0
04 16:45:07 36 0 32 0
05 16:45:07 66 12 54 0
06 16:45:07 19 1 19 0
07 16:45:06 15 1 15 0
08 16:45:05 0 0 0 0
09 16:45:05 9 0 9 0
10 16:45:04 26 0 24 0
11 16:45:04 4 0 4 0
12 16:45:04 68 13 55 0
打印机发送报文情况：
Station AID(2) Hash(2) Mac(x-x-0f2c) IsTargetready(NO) Used(YES) Ht:(YES) VHt:(NO)
Bss BssIdx(0) MacAddr(x-x-8ce0) IsSREnable:0 IsPbss:0 Beacon:(Y) Status(Run)
SrTxCnt 0, SrPreDelFlag 0, SrCheckCnt 0
[Status Information]:
PS status: Active PS Cnt: 0
PS Attrib: AC0 1, AC1 1, AC2 1, AC3 1
Last 2 minutes TX/RX: 1/1 packets/s, 1.487/2.035 Kbps
TX frame count 2018, TX frame bytes 345710
RX frame count 2306, RX frame bytes 705712
TX retry pkts 124, TX retry bytes 47283
TX error count 0, TX multi retry count 124
TX success data pkts 2018, TX success pkts 2018
TX Retry data count 145
RX Erro count 6
RX unicast data frame count 2128
[Sched Information]:
[Security Info]:
KeyType :AES-CCM
KeyLen :16
KeyIndex:0
HostKey : 96|fa|2c|64|6c|d8|f7|6b|a6|ee|30|19|21|d9|9b|f7|
targetKeyType :AES_CCMP
targetKeyLen :16
targetKeyIndex:0
targetKey : 96|fa|2c|64|6c|d8|f7|6b|a6|ee|30|19|21|d9|9b|f7|
[Rate control information]:
outbound cir:0 cbs:0 | inbound cir:0 cbs:0
tx buffered frames:0, rx buffered frames:0
Last three rssi:35,31,31
Last rate:300.0, rateMaxPhy:300.0, Last tx power:11
All valid rate(16):
13.5 27.0 27.0 40.5 54.0 54.0 81.0 81.0 108.0 108.0 121.5 150.0
162.0 216.0 243.0 300.0
[Station Current Rate Info]:
[rate RateFlag per counts okCount rateRecv Thruput AggrEr AggrOk ]
[13.5 H-4-S 0 0 0 0 12.1 0 0 ]
[27.0 H-4-S 0 0 0 0 24.3 0 0 ]
[27.0 H-4-D 0 0 0 0 24.1 0 0 ]
[40.5 H-4-S 0 0 0 0 36.6 0 0 ]
[54.0 H-4-S 0 0 0 0 48.8 0 0 ]
[54.0 H-4-D 0 0 0 0 48.5 0 0 ]
[81.0 H-4-S 0 0 0 0 73.4 0 0 ]
[81.0 H-4-D 0 0 0 0 73.1 0 0 ]
[108.0 H-4-S 0 0 0 0 98.0 0 0 ]
[108.0 H-4-D 0 0 0 0 97.9 0 0 ]
[121.5 H-4-S 0 0 0 0 110.5 0 0 ]
[150.0 H-4-S 0 0 0 0 122.6 0 0 ]
[162.0 H-4-D 0 4 4 0 147.1 0 0 ]
[216.0 H-4-D 0 7 7 32 196.3 0 4 ]
[243.0 H-4-D 11 78 69 0 196.6 3 21 ]
[300.0 H-4-D 6 2036 1900 2094 230.7 18 448 ]
解决方法
怀疑还是WA4320跟打印机兼容性存在部分问题，最终跟产品线确认，有部分打印机无法支持STBC，怀疑是这个问题导致，让客户关闭STBC功能，然后断开重新连接测试。后续关闭之后，重新关联，问题解决。
<Sysname> system-view
[Sysname] wlan ap-group default-group
[Sysname-wlan-ap-group-1] ap-model WA4320
[Sysname-wlan-ap-group-1-ap-model-WA4320] radio 1
[Sysname-wlan-ap-group-1-ap-model-WA4320-radio-1] stbc disable
由于WA4320和WA4320-H20使用的AP版本不一致，WA4320使用的wa4300s.ipe,WA4320-H20使用的是wa5300.ipe，所以默认这个功能开启的情况也不一样，导致连接WA4320不正常，连接WA4320-H20测试是正常的。
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