移动计算课程实验 服务器的搭建-1 安装Madwifi -新增ath pci等内核模块 rmmod ath_pci modprobe ath_pci autocreate=ap wlanconfig athO destroy wlanconfig athO create wlandev wifio wlanmode ap iwconfig ath0 essid MobleCourse iwpriv ath0 mode 0 iwconfig athO channel 6 ifconfig ath0 10.10.0.1 netmask 255.255.255.0 up
移动计算课程实验 服务器的搭建-1 • 安装Madwifi – 新增ath_pci等内核模块 rmmod ath_pci modprobe ath_pci autocreate=ap wlanconfig ath0 destroy wlanconfig ath0 create wlandev wifi0 wlanmode ap iwconfig ath0 essid MobleCourse iwpriv ath0 mode 0 iwconfig ath0 channel 6 ifconfig ath0 10.10.0.1 netmask 255.255.255.0 up
移动计算课程实验 服务器的搭建-2 Ifconfig、iwconfig、wlanconfig等命令 IEEE 802.11g ESSID:"luoboo"Nickname:" Mode:Master Frequency:2.437 GHz(Channel 6) Access Point:00:40:96:B2:FE:E5 Bit Rate:0 kb/s Tx-Power:18 dBm Sensitivity=1/1 Retry:off RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=24/70 Signal level=-72 dBm Noise level=-96 dBm Rx invalid nwid:2518 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0
移动计算课程实验 服务器的搭建-2 • Ifconfig、iwconfig、wlanconfig等命令 IEEE 802.11g ESSID:"luoboo" Nickname:"" Mode:Master Frequency:2.437 GHz(Channel 6) Access Point: 00:40:96:B2:FE:E5 Bit Rate:0 kb/s Tx-Power:18 dBm Sensitivity=1/1 Retry:off RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=24/70 Signal level=-72 dBm Noise level=-96 dBm Rx invalid nwid:2518 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0
移动计算课程实验 服务器的搭建-3 wlanconfig ath4 list channel: Channel 1:2412 Mhz 11g Channel 48:5240 Mhz 11a Dynamic Channel 2:2417 Mhz 11g Channel 50:5250 Mhz 11a Static Channel 3:2422 Mhz 11g Channel 52:5260 Mhz 11a Channel 4:2427 Mhz 11g Channel 56:5280 Mhz 11a Dynamic Channel 5:2432 Mhz 11g Channel 58:5290 Mhz 11a Static Channel 6:2437 Mhz 11g Channel 60:5300 Mhz 11a Channel 7:2442 Mhz 11g Channel 64:5320 Mhz 11a Channel 8:2447 Mhz 11g Channel 149:5745 Mhz 11a Channel 9:2452 Mhz 11g Channel 152:5760 Mhz 11a Static Channel 10:2457 Mhz 11g Channel 153:5765 Mhz 11a Dynamic Channel 11:2462 Mhz 11g Channel 157:5785 Mhz 11a Channel 36:5180 Mhz 11a Channel 160:5800 Mhz 11a Static Channel 40 5200 Mhz 11a Dynamic Channel 161 5805 Mhz 11a Dynamic Channel 42:5210 Mhz 11a Static Channel 165:5825 Mhz 11a Channel 44:5220 Mhz 11a
移动计算课程实验 服务器的搭建-3 • wlanconfig ath4 list channel： Channel 1 : 2412 Mhz 11g Channel 48 : 5240 Mhz 11a Dynamic Channel 2 : 2417 Mhz 11g Channel 50 : 5250 Mhz 11a Static Channel 3 : 2422 Mhz 11g Channel 52 : 5260 Mhz 11a Channel 4 : 2427 Mhz 11g Channel 56 : 5280 Mhz 11a Dynamic Channel 5 : 2432 Mhz 11g Channel 58 : 5290 Mhz 11a Static Channel 6 : 2437 Mhz 11g Channel 60 : 5300 Mhz 11a Channel 7 : 2442 Mhz 11g Channel 64 : 5320 Mhz 11a Channel 8 : 2447 Mhz 11g Channel 149 : 5745 Mhz 11a Channel 9 : 2452 Mhz 11g Channel 152 : 5760 Mhz 11a Static Channel 10 : 2457 Mhz 11g Channel 153 : 5765 Mhz 11a Dynamic Channel 11 : 2462 Mhz 11g Channel 157 : 5785 Mhz 11a Channel 36 : 5180 Mhz 11a Channel 160 : 5800 Mhz 11a Static Channel 40 : 5200 Mhz 11a Dynamic Channel 161 : 5805 Mhz 11a Dynamic Channel 42 : 5210 Mhz 11a Static Channel 165 : 5825 Mhz 11a Channel 44 : 5220 Mhz 11a
移动计算课程实验 服务器的搭建-4 wlanconfig ath4 list sta: ADDR AID CHAN RATE RSSI DBM IDLE TXSEQ RXSEQ CAPS ACAPS ERP STATE I MODE 00:40:96:b2:fe:e9114912M16-7918025913272E 0 23 Normal WME 00:1b:77:09:0f:47214954M41-541201717315200Es 0 f3 Normal WME UAPSD QoSInfo:OxOf,(VO,VI,BE,BK)=(1,1,1,1),MaxSpLimit NoLimit
移动计算课程实验 服务器的搭建-4 • wlanconfig ath4 list sta: ADDR AID CHAN RATE RSSI DBM IDLE TXSEQ RXSEQ CAPS ACAPS ERP STATE MODE 00:40:96:b2:fe:e9 1 149 12M 16 -79 180 25913 272 E 0 23 Normal WME 00:1b:77:09:0f:47 2 149 54M 41 -54 120 17173 15200 Es 0 f3 Normal WME UAPSD QoSInfo: 0x0f, (VO,VI,BE,BK) = (1,1,1,1), MaxSpLimit = NoLimit
移动计算课程实验 实验环境-1 广Channel Use Channel Use 5 7 89 Channel 6-8 access points 1 12 181 3 165 14 OTHI OTH CA B/G C B/G 。实验室1717房间
移动计算课程实验 实验环境-1 • 实验室1717房间