华为WLAN故障常用命令

在WLAN项目中会经常遇到一些，奇奇怪怪的问题：设备连不上WIFI、获取不到地址、偶尔丢包、延迟高等等。可以使用下面这些命令排查故障。

查看指定STA用户信息

执行display station sta-mac 终端MAC，可以查看终端设备详细信息，例如：接入SSID、接入时常、省电模式、设备型号以及系统版本等。

<HUAWEI> display station sta-mac b878-2eb4-2689
------------------------------------------------------------------------------
Station MAC-address                           : 00e0-fc12-3456
Station IP-address                            : 10.2.2.254
                                              : FE80::20E:8EFF:FE04:2DEB
Station gateway                               : 10.2.2.2
                                              : FE80::2E97:B1FF:FEB0:6A48
Associated SSID                               : test
Station online time(ddd:hh:mm:ss)             : 000:00:03:14
The upstream SNR(dB)                          : 80.0
The upstream aggregate receive power(dBm)     : -28.0
Station connect rate(Mbps)                    : 61
Station connect channel                       : 36
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                             : No
Station's HT capability                       : WQ
Station capabilities                          : E
Station PMF capabilities                      : PMFC=0,PMFR=0
Station VHT capabilities
  256QAM capabilities                         : Yes
  VHT explicit beamforming capabilities       : Yes
  MU-MIMO capabilities                        : Yes
Station HE capabilities 
  OFDMA capabilities                          : No 
  BSS color capabilities                      : No
  OFDMA RA capabilities                       : No
  TRS capabilities                            : No
  BSR capabilities                            : No
  DL MU-MIMO partialband capabilities         : No
  UL MU-MIMO fullband capabilities            : No
  UL MU-MIMO partialband capabilities         : No
  Dynamic SMPS capabilities                   : No
  HE SU beamformee capabilities               : No
Station's RM capabilities 
  Neighbor Report                             : Yes 
  Beacon Passive Measurement                  : Yes 
  Beacon Active Measurement                   : Yes 
  Beacon Table Measurement                    : Yes
  Link Measurement                            : Yes
  Transmit power adaptation                   : Yes
Station's RSSI(dBm)                           : -28
Station's radio mode                          : 11n
Station's AP ID                               : 0
Station's AP Name                             : area_3
Station's Radio ID                            : 1
Station's Authentication Method               : Open
Station's Cipher Type                         : NO CIPHER
Station's User Name                           : b8782eb42689
Station's Vlan ID                             : 22
Station's Channel Band-width                  : 20MHz
Station's asso BSSID                          : 00e0-fc12-3457
Station's state                               : Asso with auth
Station's QoS Mode                            : WMM
Station's HT Mode                             : HT20
Station's MCS value                           : 9
Station's NSS value                           : 2
Station's Short GI                            : nonsupport
Station's roam state                          : No
HAC CAPWAP IP                                 : -
HAP CAPWAP IP                                 : 10.23.100.1
Supported band                                : 2.4G/5G
Supported 2.4G channels                       : -
Supported 5G channels                         : 36,40,44,48,52,56,60,64
                                              : 149,153,157,161,165
Supported 6G channels                         : -
802.11k support                               : Yes
802.11r support                               : Yes
802.11r proprietary support                   : No
802.11v support                               : No
Autonavigation roaming optimization support   : Yes
FRER support                                  : No 
Available for roaming                         : Yes
Sticky station or not                         : No
Aimless roaming support in sticky state       : Yes
Station device type                           : windows
AC ID                                         : 1
Station identify info
  Category name                               : Mobile phone
  Vendor name                                 : vendor
  Model name                                  : Mate 30pro
  OS                                          : Android3.0
U-APSD list:
-------------------------------------------------------
AC-VI          AC-VO        AC-BE         AC-BK
-------------------------------------------------------
not-support  not-support  not-support  not-support
-------------------------------------------------------
------------------------------------------------------------------------------

部分表项描述内容

查看终端漫游轨迹、迁移记录

执行命令display station roam-track sta-mac 终端MAC ，查看STA的漫游轨迹

终端漫游：终端设备在WLAN覆盖范围内四处移动并且能够保持业务不中断。

执行命令display station steer-history | in 终端MAC  ，查看STA迁移的历史信息。

终端迁移：结合实际的WLAN网络环境将业务体验不佳的终端迁移到合适的AP上，提升终端业务体验。例如，频谱导航和负载均衡。