高密场景

设备要求和版本

高密场景下的网络优化

高密场景的网络参数主要集中在VAP模板、SSID模板、流量模板、RRM模板、2G射频模板和5G射频模板。模板配置完成后，要通过配置各模板的引用关系，下发高密网络参数到高密场景下的AP上。本例展示如何配置各模板的引用关系，实际的模板名称请按照组网实际规划情况进行配置。

 system-view [AC] wlan  
[AC-wlan-view] ssid-profile name ssid1 
[AC-wlan-ssid-prof-ssid1] max-sta-number 128 //放开限制接入用户数，建议调整SSID模板下最大接入用户数为128 Warning: This action may cause service interruption. Continue?[Y/N]y [AC-wlan-ssid-prof-ssid1] association-timeout 1 //降低无线用户的关联老化时间，建议设置为1分钟 Warning: This action may cause service interruption. Continue?[Y/N]y [AC-wlan-ssid-prof-ssid1] beacon-2g-rate 11 //提高2.4G射频Beacon帧发送速率，推荐使用11Mbit/s [AC-wlan-ssid-prof-ssid1] quit [AC-wlan-view] vap-profile name vap1 
[AC-wlan-vap-prof-vap1] undo band-steer disable //开启频谱导航功能，AP控制STA优先接入5G，减少2.4G频段上的负载和干扰 [AC-wlan-vap-prof-vap1] quit [AC-wlan-view] traffic-profile name traff 
[AC-wlan-traffic-prof-traff] rate-limit client down 4000 //限制用户速率，例如配置STA下行报文的限制速率为4000kbit/s [AC-wlan-traffic-prof-traff] rate-limit client up 4000 //限制用户速率，例如配置STA上行报文的限制速率为4000kbit/s [AC-wlan-traffic-prof-traff] quit [AC-wlan-view] ap-id 0 
[AC-wlan-ap-0] radio 0 //配置射频0 [AC-wlan-radio-0/0] calibrate auto-channel-select disable //关闭信道自动选择功能 [AC-wlan-radio-0/0] calibrate auto-txpower-select disable //关闭功率自动调整功能 [AC-wlan-radio-0/0] channel 20mhz 1 //调整AP的信道，减少AP间的干扰。推荐采用如1、9、5、13的形式交叉配置信道。以在射频0上配置信道1，20MHz带宽为例。具体的信道需按网规结果进行配置 Warning: This action may cause service interruption. Continue?[Y/N]y  
[AC-wlan-radio-0/0] eirp 127 //尽可能降低AP的功率，减少AP间的干扰，但是需要保证AP覆盖范围边缘的RSSI大于-65dBm。以配置射频发射功率127dBm为例。具体的发射功率需按网规结果进行配置 [AC-wlan-radio-0/0] quit [AC-wlan-ap-0] radio 1 //配置射频1 [AC-wlan-radio-0/1] calibrate auto-channel-select disable [AC-wlan-radio-0/1] calibrate auto-txpower-select disable [AC-wlan-radio-0/1] channel 40mhz-plus 44 Warning: This action may cause service interruption. Continue?[Y/N]y  
[AC-wlan-radio-0/1] eirp 127 [AC-wlan-radio-0/1] quit [AC-wlan-ap-0] quit [AC-wlan-view] rrm-profile name rrm1 
[AC-wlan-rrm-prof-rrm1] undo smart-roam disable //开启智能漫游。从V200R021C00SPC100开始，命令变成smart-roam enable [AC-wlan-rrm-prof-rrm1] smart-roam roam-threshold check-snr 
[AC-wlan-rrm-prof-rrm1] smart-roam roam-threshold snr 15 //配置信噪比门限值为15dB [AC-wlan-rrm-prof-rrm1] airtime-fair-schedule enable //开启Airtime调度，无线信道资源更合理分配给每个用户 Warning: This action may cause service interruption. Continue?[Y/N]y [AC-wlan-rrm-prof-rrm1] dynamic-edca enable //开启动态EDCA参数调整功能，EDCA Best-Effort服务门限值推荐使用缺省值 [AC-wlan-rrm-prof-rrm1] quit [AC-wlan-view] radio-2g-profile name radio2g 
[AC-wlan-radio-2g-prof-radio2g] rts-cts-mode rts-cts //配置RTS-CTS的工作模式为rts-cts [AC-wlan-radio-2g-prof-radio2g] rts-cts-threshold 1400 //配置RTS门限值为1400Bytes [AC-wlan-radio-2g-prof-radio2g] beacon-interval 160 //调整Beacon的发送频率，推荐周期160TUs [AC-wlan-radio-2g-prof-radio2g] guard-interval-mode short //配置GI模式为short模式，减少额外开销，提高AP的传输率 [AC-wlan-radio-2g-prof-radio2g] dot11bg basic-rate 6 9 12 18 24 36 48 54 //修改基础速率集，建议在基础速率集中去除较低速率 [AC-wlan-radio-2g-prof-radio2g] multicast-rate 11 //配置组播速率,建议使用缺省值 [AC-wlan-radio-2g-prof-radio2g] undo short-preamble disable //建议使用短前导码。如果网络中存在一些比较老的客户端网卡，则需要关闭该功能 [AC-wlan-radio-2g-prof-radio2g] quit [AC-wlan-view] radio-5g-profile name radio5g 
[AC-wlan-radio-5g-prof-radio5g] rts-cts-mode rts-cts //配置RTS-CTS的工作模式为rts-cts 
[AC-wlan-radio-5g-prof-radio5g] rts-cts-threshold 1400 //配置RTS门限值为1400Bytes [AC-wlan-radio-5g-prof-radio5g] beacon-interval 160 //调整Beacon的发送频率，推荐周期160TUs [AC-wlan-radio-5g-prof-radio5g] guard-interval-mode short //配置GI模式为short模式，减少额外开销，提高AP的传输率 [AC-wlan-radio-5g-prof-radio5g] multicast-rate 6 //配置组播速率,建议使用缺省值 [AC-wlan-radio-5g-prof-radio5g] quit [AC-wlan-view] vap-profile name vap1 [AC-wlan-net-prof-vap1] ssid-profile ssid1 //引用SSID模板 [AC-wlan-net-prof-vap1] traffic-profile traff //引用流量模板 [AC-wlan-net-prof-vap1] quit [AC-wlan-view] radio-2g-profile name radio2g 
[AC-wlan-radio-2g-prof-radio2g] rrm-profile rrm1 //引用RRM模板 [AC-wlan-radio-2g-prof-radio2g] quit [AC-wlan-view] radio-5g-profile name radio5g 
[AC-wlan-radio-5g-prof-radio5g] rrm-profile rrm1 //引用RRM模板 [AC-wlan-radio-5g-prof-radio5g] quit [AC-wlan-view] ap-group name ap-group1 
[AC-wlan-ap-group-ap-group1] radio-2g-profile radio2g radio 0 //引用2G射频模板 Warning: This action may cause service interruption. Continue?[Y/N]y  
[AC-wlan-ap-group-ap-group1] radio-5g-profile radio5g radio 1 //引用5G射频模板 Warning: This action may cause service interruption. Continue?[Y/N]y  

配置文件

# AC的配置文件

#
wlan
 traffic-profile name traff
  rate-limit client up 4000
  rate-limit client down 4000
 ssid-profile name ssid1
  association-timeout 1
  max-sta-number 128
  beacon-2g-rate 11
 vap-profile name vap1
  ssid-profile ssid1
  traffic-profile traff
 rrm-profile name rrm1
  airtime-fair-schedule enable
  smart-roam roam-threshold snr 15
  dynamic-edca enable
 radio-2g-profile name radio2g
  dot11bg basic-rate 6 9 12 18 24 36 48 54 
  beacon-interval 160
  multicast-rate 11
  rrm-profile rrm1
 radio-5g-profile name radio5g
  beacon-interval 160
  multicast-rate 6
  rrm-profile rrm1
 ap-group name ap-group1
  radio 0
   radio-2g-profile radio2g
  radio 1
   radio-5g-profile radio5g
 ap-id 0 type-id 30 ap-mac 00e0-fc12-6620 ap-sn 2102355547W0E3000316
  ap-name area_1
  ap-group ap-group1
  radio 0
   channel 20mhz 1
   eirp 127
   calibrate auto-channel-select disable
   calibrate auto-txpower-select disable
  radio 1
   channel 40mhz-plus 44
   eirp 127
   calibrate auto-channel-select disable
   calibrate auto-txpower-select disable
#
return