H3C WX系列TPC功能控制配置
一、 组网需求
无线控制器(WX5004)、AP(WA2210-AG)、Station(支持802.11a且支持OmniPeek抓包)。
二、 组网图
本配置举例中AC使用的是WX5004,IP地址是192.168.2.254/24;AP使用的是WA2200系列无线局域网接入点设备,IP地址从DHCP上动态获得,AC作为DHCP服务器,AP与AC是直连组网。
AC作为业务VLAN的DHCP SERVER:
AC IP:192.168.2.254;
station IP:192.168.2.2
AP IP:192.168.2.4
二、版本
[H3C]_ ver
H3C Comware Platform Software
Comware Software, Version 5.20, Release 2307P03
Comware Platform Software Version COMWAREV500R002B96D312
H3C WX5004 Software Version V200R003B96D112
Copyright (c) 2004-2011 Hangzhou H3C Tech. Co., Ltd. All rights reserved.
Compiled Nov 10 2011 12:26:55, RELEASE SOFTWARE
H3C WX5004 uptime is 0 week, 0 day, 10 hours, 23 minutes
H3C WX5004 with 1 RMI XLR 716 800MHz Processor
1024M bytes DDR2
4M bytes Flash Memory
Config Register points to FLASH
259M bytes CFCard Memory
Hardware Version is Ver.B
CPLD Version is 010
Basic Bootrom Version is 1.10
Extend Bootrom Version is 1.13
[Subslot 0]WX5004 Hardware Version is Ver.B
三、配置步骤
#
version 5.20, Release 2307P03
#
sysname H3C
#
domain default enable system
#
telnet server enable
#
port-security enable
#
wlan auto-ap enable
#
vlan 1
#
vlan 2 to 3
#
domain system
access-limit disable
state active
idle-cut disable
self-service-url disable
#
dhcp server ip-pool vlan2
network 192.168.2.0 mask 255.255.255.0
gateway-list 192.168.2.254
#
user-group system
group-attribute allow-guest
#
local-user admin
password simple admin
authorization-attribute level 3
service-type telnet
#
wlan rrm
dot11a mandatory-rate 6 12 24
dot11a supported-rate 9 18 36 48 54
dot11b mandatory-rate 1 2
dot11b supported-rate 5.5 11
dot11g mandatory-rate 1 2 5.5 11
dot11g supported-rate 6 9 12 18 24 36 48 54
#
wlan service-template 1 clear
ssid h3c878
bind WLAN-ESS 1
service-template enable
#
user-profile de
#
interface NULL0
#
interface Vlan-interface1
ip address 192.168.0.100 255.255.255.0
#
interface Vlan-interface2
ip address 192.168.2.254 255.255.255.0
#
interface GigabitEthernet1/0/1
port access vlan 2
#
interface GigabitEthernet1/0/2
#
interface GigabitEthernet1/0/3
#
interface GigabitEthernet1/0/4
#
interface Ten-GigabitEthernet1/0/5
#
interface WLAN-ESS1
port access vlan 2
#
wlan ap ap1 model WA2210-AG id 1
serial-id 210235A29DB095001025
radio 1 type dot11a
channel 153
service-template 1
radio enable
#
undo info-center logfile enable
#
dhcp enable
#
wlan option tpc enable //开启TPC(逐包功率控制)
#
load xml-configuration
#
user-interface con 0
user-interface vty 0 4
authentication-mode scheme
user privilege level 3
#
return
四、 配置关键点
#开启逐包功率控制
[H3C] wlan option tpc enable
五、 测试方法
1. 设置AC、AP的IP,保证AP可以成功关联到AC
2. 设置AC为STA分配IP地址,使STA靠近AP1通过AP1接入无线网络
3. AC上开启TPC功能
4. AC向STA发送ping报文,ping包间隔设置为0,连续ping 400个报文。建议选择11a信道测试保证测试环境无干扰,ping包不丢包
5. 用抓包网卡抓取空口报文,观察抓取报文的信号强度
预期结果:
通过抓包软件观察报文的signal列,在开始阶段抓取到的报文信号强度较高,连续400个Ping包不丢包后,抓取到的报文信号强度会有一个明显的降低。
六、测试结果
1. AC ping 笔记本电脑前400个包,空口抓包:
2. AC ping 笔记本电脑400个包后空口抓包:
结论:终端在固定点且AC ping包无丢包前提下,两次抓包数据中,signal dbm数据差大于8dbm,说明TPC生效。
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