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Сборка команд из статей:
Низкая скорость доступа к сети;
Низкая скорость соединания AP — STA;
Потери пакетов;
STA не может пропинговать шлюз (пакеты теряются на проводной стороне);
Проблемы роуминга STA;
Дополнительный топик по поиску проблем.
Смотрим с контроллера (AC)
display radio all
<AC>display radio all Info: This operation may take a few seconds. Please wait for a moment.done. CH/BW:Channel/Bandwidth CE:Current EIRP (dBm) ME:Max EIRP (dBm) CU:Channel utilization ST:Status WM:Working mode (normal/monitor/monitor dual-band-scan/monitor proxy dual-band-scan) ------------------------------------------------------------------------------------------------------------------ AP ID Name RfID Band Type ST CH/BW CE/ME STA CU WM ------------------------------------------------------------------------------------------------------------------ 0 AP1 0 2.4G 11ax on 1/20M 8/20 0 22% normal 0 AP1 1 5G 11ax on 52/20M 14/23 4 10% normal
Фильтруем ненормальные
display radio all | exclude normal
Посмотреть список точек, видно IP адреса проверяем нет ли конфликтов адресов:
display ap all
<AC>display ap all Total AP information: idle : idle [3] nor : normal [66] ExtraInfo : Extra information P : insufficient power supply --------------------------------------------------------------------------------------------------------------------------------------- ID MAC Name Group IP Type State STA Uptime ExtraInfo --------------------------------------------------------------------------------------------------------------------------------------- 0 1cae-cb56-22e0 TI-SPT-AP1 test 10.3.66.112 AirEngine5760-10 nor 3 55M:48S - 1 c444-7d51-2fc0 TI-PDL-AP403 test 10.8.129.216 AirEngine5760-10 nor 2 54D:5H:59M:50S - 2 1cae-cb56-2180 TI-SPT-AP2 test 10.3.66.109 AirEngine5760-10 nor 4 55M:51S -
Смотрим клиентов
display station ap-id 15
<AC>display station ap-id 15 Rf/WLAN: Radio ID/WLAN ID Rx/Tx: link receive rate/link transmit rate(Mbps) --------------------------------------------------------------------------------------------- STA MAC Rf/WLAN Band Type Rx/Tx RSSI VLAN IP address SSID --------------------------------------------------------------------------------------------- 1e46-bab4-47e2 1/4 5G 11ax 229/172 -53 181 10.3.80.11 test 38fc-9874-a2a7 1/5 5G 11ac 156/117 -51 185 10.3.84.56 test 50eb-713c-d552 1/5 5G 11ac 86/65 -45 185 10.3.84.73 test 628e-b26e-38cd 1/5 5G 11ac 96/43 -45 185 10.3.84.24 test 72c0-2af1-0ad4 1/4 5G 11ax 172/154 -57 181 10.3.80.95 test 9017-c819-f5e5 1/4 5G 11ac 48/96 -45 181 10.3.80.30 test fe5f-faba-bd34 1/4 5G 11ax 229/229 -52 181 10.3.80.34 test --------------------------------------------------------------------------------------------- Total: 7 2.4G: 0 5G: 7
Смотрим потери пакетов:
system-view wlan rf-ping -c 10 183d-a27a-0570
[AC-wlan-view]rf-ping -c 10 183d-a27a-0570 Info: RfPing start, press CTRL+C to break. Tx rate=130.0 Mbps, Reply from 183d-a27a-0570: RSSI=-43 dBm time < 1 ms Tx rate=130.0 Mbps, Reply from 183d-a27a-0570: RSSI=-43 dBm time < 1 ms Tx rate=130.0 Mbps, Reply from 183d-a27a-0570: RSSI=-46 dBm time < 1 ms Tx rate=130.0 Mbps, Reply from 183d-a27a-0570: RSSI=-46 dBm time < 1 ms Tx rate=130.0 Mbps, Reply from 183d-a27a-0570: RSSI=-42 dBm time < 1 ms Tx rate=130.0 Mbps, Reply from 183d-a27a-0570: RSSI=-44 dBm time=1 ms Tx rate=130.0 Mbps, Reply from 183d-a27a-0570: RSSI=-44 dBm time=1 ms Tx rate=130.0 Mbps, Reply from 183d-a27a-0570: RSSI=-43 dBm time < 1 ms Tx rate=130.0 Mbps, Reply from 183d-a27a-0570: RSSI=-42 dBm time < 1 ms Tx rate=130.0 Mbps, Reply from 183d-a27a-0570: RSSI=-43 dBm time < 1 ms 10 packets transmitted, 10 received, 0% packet loss, time < 1 ms, RSSI -43 dBm
Смотрим праметры клиента
display station sta-mac fe5f-faba-bd34
<AC>display station sta-mac fe5f-faba-bd34
------------------------------------------------------------------------------
Station MAC-address : fe5f-faba-bd34
Station IP-address : 10.3.80.34
Station gateway : 10.3.81.254
Associated SSID : Test
Station online time(ddd:hh:mm:ss) : 000:00:12:43
The upstream SNR(dB) : 44.0
The upstream aggregate receive power(dBm) : -51.0
Station connect rate(Mbps) : 143
Station connect channel : 48
Station inactivity time(ddd:hh:mm:ss) : 000:00:00:00
Station current state
Authorized for data transfer : YES
QoS enabled : YES
HT rates enabled : YES
Power save mode enabled : YES
Auth reference held : No
UAPSD enabled : No
UAPSD triggerable : No
UAPSD SP in progress : No
This is an ATH node : No
WDS workaround req : No
WDS link : No
PMF negotiation : Yes
Stations HT capability : AWPS
Station capabilities : EP
Station PMF capabilities : PMFC=1,PMFR=0
Station VHT capabilities
256QAM capabilities : YES
VHT explicit beamforming capabilities : YES
MU-MIMO capabilities : No
Station HE capabilities
ofdma capabilities : YES
bss color capabilities : No
Stations RM capabilities
Neighbor Report : No
Beacon Passive Measurement : YES
Beacon Active Measurement : YES
Beacon Table Measurement : YES
Stations RSSI(dBm) : -51
Stations radio mode : 11ax
Stations AP ID : 15
Stations AP Name : TI-SPT-AP8
Stations Radio ID : 1
Stations Authentication Method : WPA2-PSK
Stations Cipher Type : AES
Stations User Name : fe5ffababd34
Stations Vlan ID : 181
Stations Channel Band-width : 20MHz
Stations asso BSSID : 10c3-ab29-adb3
Stations state : Asso with auth
Stations QoS Mode : WMM
Stations HT Mode : HE20
Stations MCS value : 11
Stations Short GI : support
Stations roam state : No
HAC CAPWAP IP : -
HAP CAPWAP IP : 10.8.128.50
Supported band : 5G
Supported 2.4G channels : -
Supported 5G channels : 36,40,44,48,52,56,60,64
: 132,136,140,144
: 149,153,157,161,165
802.11k support : Yes
802.11r support : No
802.11v support : Yes
Autonavigation roaming optimization support : No
Available for roaming : Yes
Sticky station or not : No
Aimless roaming support in sticky state : Yes
Station device type : -
AC ID : -
U-APSD list:
-------------------------------------------------------
AC-VI AC-VO AC-BE AC-BK
-------------------------------------------------------
not-support not-support not-support not-support
-------------------------------------------------------
------------------------------------------------------------------------------
Проверяем включен ли WMM
display radio-5g-profile name default
<AP>display radio-5g-profile name default -------------------------------------------------------------------- Radio type : 802.11ax Power auto adjust : disable Beacon interval(TUs) : 100 Beamforming switch : disable Fragmentation threshold(Byte) : 2346 Channel switch announcement : support Channel switch mode : continue Guard interval mode : short 802.11ax guard interval mode : dot8 HT A-MPDU switch : enable HT A-MPDU length limit : 3 VHT A-MPDU length limit : 7 VHT A-MSDU switch : disable VHT A-MSDU Max frame number : 2 RTS-CTS-mode : RTS-CTS RTS-CTS-threshold : 1400 802.11a basic rate : 12 18 24 802.11a support rate : 12 18 24 36 48 54 Multicast rate 5G : auto adapt VHT mcs : 9 9 9 9 9 9 9 9 Interference detect switch : disable Co-channel frequency interference threshold(%) : 50 Adjacent-channel frequency interference threshold(%) : 50 Station interference threshold : 32 WMM switch : enable - здесь Mandatory switch : disable
если выключен
system-view wlan radio-5g-profile name default undo wmm disable
<AC>system-view [AC]wlan [AC-wlan-view]radio-5g-profile name default [AC-wlan-radio-5g-prof-default]undo wmm disable
Смотрим статистикук по клиенту
display station statistics sta-mac
<AC>display station statistics sta-mac 628e-b26e-38cd ------------------------------------------------------------------------------ Packets sent to the station : 48507 Packets received from the station : 19919 Bytes sent to the station : 56884460 Bytes received from the station : 2344489 Wireless data rate sent to the station(kbps) : 0 Wireless data rate received from the station(kbps) : 0 Trigger roam total : 0 Trigger roam failed : 0 STA power save percent : 94% ------------------------------------------------------------------------------
Запуск трейса клиента способ 1, не всегда работает:
system-view diagnose station-trace sta-mac 628e-b26e-38cd
<AC>system-view [AC]diagnose [AC-diagnose]station-trace sta-mac 1e46-bab4-47e2 Nov 10 2022 14:43:53.400.8 AP_test WSRV/7/BTRACE:(BTRACE)(WLAN_AP)(b28c-fcf7-d616):WSTA_AssocRespProc[1528]: the sta in aging.
Способ 2:
system-view trace object mac-address 38fc-9874-a2a7 undo trace enable trace enable
[AC] [BTRACE][2022/11/10 15:49:33][512][WLAN_AC][38fc-9874-a2a7]:[Process:2]Packet Delay:1 [BTRACE][2022/11/10 15:49:33][512][WLAN_AC][38fc-9874-a2a7]:[Process:2]Packet access time:290 [BTRACE][2022/11/10 15:49:33][512][WLAN_AC][38fc-9874-a2a7]:[Process:2][WSTA] Flow fork MultiSta MsgType3115 Vcpu4 [BTRACE][2022/11/10 15:49:33][512][WLAN_AC][38fc-9874-a2a7]:[Process:2][WSTA] Flow fork MultiSta MsgType3066 Vcpu4undo
Посмотреть радиоокружение с точки доступа
system-view display ap radio-environment ap-id 67
[AC]display ap radio-environment ap-id 67 Warning: This operation will enable scanning for the specified radio, affecting AP's air interface performance. Scanning will be automatically disabled 5 minutes after you run this command. Continue? [Y/N]
Посмотреть статистику по точке доступа:
system-view display ap performance statistics ap-id 67
[AC]display ap performance statistics ap-id 67 Info: Waiting for AP response.done. --------------------------------------------------------------------------------------- Memory usage(%) : 31 Memory average usage(%) : 31 CPU usage(%) : 4 CPU average usage(%) : 4 Available space size(KB) : 1448 Temperature(degree C) : 49 Online user number : 1 Upstream traffic(wireless)(KB) : 49310732 Wireless port drop frames(RX) : 0 Wireless port drop frames(TX) : 35478 Wireless port total bytes(RX) : 50494190 Wireless port total bytes(TX) : 77243720 Wireless port unicast frames(RX): 70056376 GigabitEthernet port 0 port drop frames(RX) : 0 port drop frames(TX) : 0 port total Bytes(RX) : 92849329982 port total Bytes(TX) : 56575899817 port unknown frames(RX) : 0 port error frames(TX) : 0 port updown counts : 0 port output rate(Kbps) : 2728 port input rate(Kbps) : 3381 Ethernet port 0 port drop frames(RX) : 0 port drop frames(TX) : 0 port total Bytes(RX) : 0 port total Bytes(TX) : 0 port unknown frames(RX) : 0 port error frames(TX) : 0 port updown counts : 0 port output rate(Kbps) : 0 port input rate(Kbps) : 0 ---------------------------------------------------------------------------------------
Смотрим с точки доступа (AP)
stelnet ap ap-id 15
Смотрим утилизацию Channel utilisation
system-view diagnose display wifi base-info radio 1
[AP-diagnose]display wifi base-info radio 1 ------------------------------------ ampdu = 1 slot_time = 9 ack_timeout = 36 cts_timeout = 36 txchainmask = 48 rxchainmask = 48 txpowlimit2G = 63 txpowlimit5G = 24 ofdm_level = -5 cck_level = -5 ofdm_phyerr_count = 3582758 cck_phyerr_count = 0 listen_time = 0 cycle_count = 317377216 tx_frame_count = 2428892352 rx_frame_count = 2389195840 cca_Threshold = -72 Radio_Calibaration_Status = 1 RecvFrames = 4677865 RecvAssReqFrames = 93 AssReqRejectFrames = 4 RecvReAssReqFrames = 321 ReAssReqRejectFrames = 0 RecvDeauthFrames = 42 RecvDisassFrames = 20 AssocACTimeOutTimes = 0 ReAssocACTimeOutTimes = 0 RecvProReqFrames = 284184 SendProRspFrames = 492076 RecvOwnSendMcastDeauth = 0 RecvOwnSendUcastDeauth = 0 Wireless PER(%) = 0 ChanUtilizationRate(%) = 11 - текущая утилизация не должна быть больше 60% CoChanInterferenceRate(%) = 10 ChanMismatchProbeReq = 0 IsSupportEnhancedPower = 1 CpuType = 0 ------------------------------------
Общая инфа по клиентам
system-view diagnose display wifi sta-statistics radio 1
[AP-diagnose]display wifi sta-statistics radio 1 ADDR AID CHAN TXRATE RXRATE RSSI IDLE TXSEQ RXSEQ SKIP NORML CAPS ACAPS ERP STATE HTCAPS 6872-c3cd-2236 1 48 130M 130M 37 0 1309 1458 0 0 EP 0 1400000b APM fe5f-faba-bd34 2 48 172M 8M 46 0 2249 675 0 0 EP 0 1000001b AWPS e2ca-07af-f5f5 3 48 137M 172M 41 0 39 41 0 0 EP 0 1000000b AWPS 628e-b26e-38cd 1 48 58M 96M 52 0 224 2884 0 0 EPs 0 1000001b AWQS
Загрузка процессора
system-view diagnose display cpu-usage
[AP-diagnose]display display cpu-usage CPU Usage Stat. Cycle: 30 (Second) usr: 1.0% sys: 1.1% irq: 0.0% softIrq: 0.6% CPU Usage: 2.9% Max: 22.0% CPU Usage Stat. Time : 2022-11-10 12:09:53 CPU Usage Max. Time : 2022-11-10 11:40:39
Буфер памяти
system-view diagnose display memory-pool info
[AP-diagnose]display memory-pool info
Show PBuf Desc Pool info :
============== BufMan Info ===================
BufMan Shm Addr[0x50000000], Shm Size[0x800000], L1 Num[64], L1 in use[2]
Buffer Num[12115], each buffer has [0x2a0] bytes
L1 stack info:
Offset = 0x130, L2Offset = 0xc4a8, num = 16, SP = 0
L1 stack info:
Offset = 0x184, L2Offset = 0xc4a8, num = 16, SP = 2
L2 stack info:
Offset = 0xc4a8, len = 0x4000
front = 40, rear = 12115, available = 12075 - здесь норм, меньше 100 проблема
Очереди отправки пакетов, если значение любого поля в выходных данных предыдущей команды больше 100, очередь перегружена
system-view diagnose display wifi txq-buf radio 1
[AP-diagnose]display wifi txq-buf radio 1 [Txqbuf] Host tx queue depth:8190 [Frames queued to hwq] -------------------------------------- Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 2 0 0 0 0 0 0 0 0 0 -------------------------------------- [Tid queue stats] SW queue stats <---> HW queue stats ------------------------------ TID 0 0 0 TID 1 0 0 TID 2 0 0 TID 3 0 0 TID 4 0 0 TID 5 0 0 TID 6 0 0 TID 7 0 0 TID 8 0 0 TID 9 0 0 TID 10 0 0 TID 11 0 0 TID 12 0 0 TID 13 0 0 TID 14 0 0 TID 15 0 0 TID 16 2 0 TID 17 0 0 TID 18 0 1 TID 19 0 0 ------------------------------
Если буферная очередь AP перегружена, смотрим использование очереди каждой STA, смотрим на num_mpdu_in_frameq
system-view diagnose display wifi sta-statistics radio 1
[AP-diagnose]display wifi sta-statistics radio 1 ---------------------------STA:fe5f-faba-bd34 TidInfo--------------------------- [tidno: 6] wal_txq_id : 3 is_registered_for_hwq_empty : 1 sw_retry_failure : 0 tx_header_size : 42 tid_flags : 0x140006 pause_module_id_map : 0x800 block_module_id_map : 0x0 tid_winsn : 0x0 tid_startsn : 320 tid_winunack : 0x0 tid_frameqhead : 0x0 tid_frameqaddr : 0x0 num_mpdu_in_frameq : 0 num_mpdu_in_hwq : 0 tid_frameqlastnum : 0 tid_frameqlastpad : 0 total_mpdus_allowed : 0 allow_n_flags : 0x0 win_credit : 64 win_size_o : 64 fail_cnt_succ : 0 pn_low : 0x600000000000
Смотрим статистику многоадресных и широковещательных пакетов на проводном интерфейсе, если скорость увеличения Broadcastили Multicast превышает 100 пакетов в секунду, интерфейс перегружен.
display interface GigabitEthernet 0/0/0
<AP>display interface GigabitEthernet 0/0/0 GigabitEthernet0/0/0 current state : UP Line protocol current state : UP Description:HUAWEI, AP Series, GigabitEthernet0/0/0 Interface Switch Port, PVID : 1, TPID : 8100(Hex), The Maximum Frame Length is 1800 IP Sending Frames Format is PKTFMT_ETHNT_2, Hardware address is 10c3-ab29-ada0 Last physical up time : 2022-11-10 08:48:28 Last physical down time : 2022-11-10 08:48:11 Current system time: 2022-11-10 13:32:49+03:00 Port Mode: COMMON COPPER Speed : 100, Loopback: NONE Duplex: FULL, Negotiation: ENABLE Mdi : AUTO Last 300 seconds input rate 240600 bits/sec, 42 packets/sec Last 300 seconds output rate 61216 bits/sec, 22 packets/sec Input peak rate 99941896 bits/sec,Record time: 2022-11-10 13:24:25 Output peak rate 32769672 bits/sec,Record time: 2022-11-10 13:24:35 Input: 340573 packets, 404835952 bytes Unicast: 325032, Multicast: 11764 Broadcast: 3777, Jumbo: 215437 Discard: 0, Total Error: 0 CRC: 0, Giants: 0 Jabbers: 0, Throttles: 0 <AP>display interface GigabitEthernet 0/0/0 GigabitEthernet0/0/0 current state : UP Line protocol current state : UP Description:HUAWEI, AP Series, GigabitEthernet0/0/0 Interface Switch Port, PVID : 1, TPID : 8100(Hex), The Maximum Frame Length is 1800 IP Sending Frames Format is PKTFMT_ETHNT_2, Hardware address is 10c3-ab29-ada0 Last physical up time : 2022-11-10 08:48:28 Last physical down time : 2022-11-10 08:48:11 Current system time: 2022-11-10 13:32:56+03:00 Port Mode: COMMON COPPER Speed : 100, Loopback: NONE Duplex: FULL, Negotiation: ENABLE Mdi : AUTO Last 300 seconds input rate 265264 bits/sec, 44 packets/sec Last 300 seconds output rate 61848 bits/sec, 23 packets/sec Input peak rate 99941896 bits/sec,Record time: 2022-11-10 13:24:25 Output peak rate 32769672 bits/sec,Record time: 2022-11-10 13:24:35 Input: 341290 packets, 405769501 bytes Unicast: 325697, Multicast: 11806 Broadcast: 3787, Jumbo: 216032 Discard: 0, Total Error: 0 CRC: 0, Giants: 0 Jabbers: 0, Throttles: 0