![安装了 Ubuntu 12.04,无线已连接,但没有互联网](https://linux22.com/image/1042419/%E5%AE%89%E8%A3%85%E4%BA%86%20Ubuntu%2012.04%EF%BC%8C%E6%97%A0%E7%BA%BF%E5%B7%B2%E8%BF%9E%E6%8E%A5%EF%BC%8C%E4%BD%86%E6%B2%A1%E6%9C%89%E4%BA%92%E8%81%94%E7%BD%91.png)
eth0 Link encap:Ethernet HWaddr 00:23:54:bd:2a:dd
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:462 errors:0 dropped:0 overruns:0 frame:0
TX packets:462 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:32651 (32.6 KB) TX bytes:32651 (32.6 KB)
wlan0 Link encap:Ethernet HWaddr 00:14:d1:63:a6:40
inet addr:192.168.0.103 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::214:d1ff:fe63:a640/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:129 errors:0 dropped:0 overruns:0 frame:0
TX packets:563 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:30352 (30.3 KB) TX bytes:62116 (62.1 KB)
dad@DAD:~$ iwconfig
wlan0 IEEE 802.11bgn ESSID:"CARZ2"
Mode:Managed Frequency:2.462 GHz Access Point: 28:10:7B:F2:D6:7A
Bit Rate=39 Mb/s Tx-Power=27 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=46/70 Signal level=-64 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:21 Invalid misc:69 Missed beacon:0
lo no wireless extensions.
eth0 no wireless extensions.
爸爸@DAD:~$ nm-tool
NetworkManager 工具
状态:已连接(全局)
设备:eth0 ----------------------------------------------------------------- 类型:有线 驱动程序:forcedeth 状态:不可用 默认值:无 硬件地址:00:23:54:BD:2A:DD
功能:载波检测:是
有线属性运营商:关闭
设备:wlan0 [CARZ2] ------------------------------------------------------- 类型:802.11 WiFi 驱动程序:rt2800pci 状态:已连接 默认:是 硬件地址:00:14:D1:63:A6:40
功能:速度:86 Mb/s
无线属性 WEP 加密:是 WPA 加密:是 WPA2 加密:是
无线接入点(* = 当前 AP)ATT952: 基础设施,1C:14:48:56:FC:90,频率 2412 MHz,速率 54 Mb/s,强度 47 WPA WPA2 betsy: 基础设施,5C:D9:98:6D:C8:26,频率 2412 MHz,速率 54 Mb/s,强度 40 WPA vivien: 基础设施,C0:C1:C0:8A:A3:8B,频率 2462 MHz,速率 54 Mb/s,强度 37 WPA2 ATT472: 基础设施,20:E5:64:B2:C6:A0,频率 2412 MHz,速率 54 Mb/s,强度 30 WPA WPA2 ATT048: 基础设施,40:B7:F3:23:1F:20,频率2437 MHz,速率 54 Mb/s,强度 30 WPA WPA2 DH:基础设施,30:46:9A:9B:D9:AE,频率 2462 MHz,速率 54 Mb/s,强度 30 WPA WPA2 NETGEAR08:基础设施,74:44:01:70:FE:66,频率 2437 MHz,速率 54 Mb/s,强度 27 WPA2 ATT400:基础设施,20:E5:64:AC:2A:F0,频率 2462 MHz,速率 54 Mb/s,强度 24 WPA WPA2 B2B:基础设施,74:31:70:0B:32:08,频率 2412 MHz,速率 54 Mb/s,强度 20 WPA2 chowfunpoint:基础设施, AC:5D:10:19:02:A9,频率 2427 MHz,速率 54 Mb/s,强度 20 WPA WPA2 JIN-PC_Network:基础设施,58:6D:8F:32:51:BC,频率 2437 MHz,速率 54 Mb/s,强度 20 WPA2 TonyDang:基础设施,00:26:82:F3:15:12,频率 2452 MHz,速率 54 Mb/s,强度 20 WPA2 nhaai:基础设施,94:0C:6D:EE:F7:EA,频率 2462 MHz,速率 54 Mb/s,强度 20 WPA 2WIRE218:基础设施,AC:5D:10:1C:9F:89,频率 2422 MHz,速率 54 Mb/s,强度 17 WPA WPA2 mckhome: 基础设施,74:9D:DC:E9:6D:B1,频率 2457 MHz,速率 54 Mb/s,强度 17 WPA WPA2 2WIRE894: 基础设施,28:16:2E:14:86:11,频率 2432 MHz,速率 54 Mb/s,强度 14 WPA WPA2 ATT536: 基础设施,94:CC:B9:B9:3B:50,频率 2452 MHz,速率 54 Mb/s,强度 14 WPA WPA2 yilincao: 基础设施,00:24:C9:79:13:20,频率 2437 MHz,速率 54 Mb/s,强度 37 WEP 2WIRE862: 基础设施,00:1A:C4:9E:30:C9,频率2417 MHz,速率 54 Mb/s,强度 34 WEP 2WIRE322: 基础设施,00:1E:C7:19:11:C1,频率 2412 MHz,速率 54 Mb/s,强度 30 WEP 2WIRE778: 基础设施,3C:EA:4F:83:69:C9,频率 2417 MHz,速率 54 Mb/s,强度 30 WEP 2WIRE764: 基础设施,C0:83:0A:69:D7:C9,频率 2427 MHz,速率 54 Mb/s,强度 27 WEP CP30: 基础设施,F0:25:72:70:30:40,频率 2442 MHz,速率 54 Mb/s,强度 20 WEP Pokemon: 基础设施, 00:1C:F0:61:C1:43,频率 2412 MHz,速率 54 Mb/s,强度 27 ChinatownWiFi:基础设施,00:0D:97:02:20:91,频率 2457 MHz,速率 11 Mb/s,强度 17 *CARZ2:基础设施,28:10:7B:F2:D6:7A,频率 2462 MHz,速率 54 Mb/s,强度 52 WPA WPA2 Belkin_G_Wireless_CBA20B:基础设施,00:22:75:CB:A2:0B,频率 2437 MHz,速率 54 Mb/s,强度 27 WPA WPA2 ClearSPOT_667b3:基础设施,00:1E:31:C6:67:B3,频率 2442 MHz,速率 54 Mb/s,强度 14 WPA WPA2 ATT184: 基础设施,B0:77:AC:D9:55:A0,频率 2412 MHz,速率 54 Mb/s,强度 30 WPA WPA2 ATT936: 基础设施,94:CC:B9:B7:DD:50,频率 2462 MHz,速率 54 Mb/s,强度 10 WPA WPA2 2WIRE357: 基础设施,B0:E7:54:DF:B8:41,频率 2412 MHz,速率 54 Mb/s,强度 34 WEP agcaoili: 基础设施,98:2C:BE:5C:B2:89,频率 2452 MHz,速率 54 Mb/s,强度 17 WEP
IPv4 设置:地址:192.168.0.103 前缀:24 (255.255.255.0) 网关:192.168.0.1
DNS:192.168.0.1
dad@DAD:~$ ping -c3 192.168.0.1 PING 192.168.0.1 (192.168.0.1) 56(84) 字节数据。
--- 192.168.0.1 ping 统计 --- 发送了 3 个数据包,接收了 0 个数据包,100% 数据包丢失,耗时 2016ms