刚刚是了下，挂掉wlan0在重启，还是连接不上，下面是返回的信息： SIOCSIFFLAGS: No such file or directory Could not set interface 'wlan0' UP Internet Systems Consortium DHCP Client V3.1.1 Copyright 2004-2008 Internet Systems Consortium. All rights reserved. For info, please visit http://www.isc.org/sw/dhcp/
wmaster0: unknown hardware address type 801 SIOCSIFFLAGS: No such file or directory SIOCSIFFLAGS: No such file or directory wmaster0: unknown hardware address type 801 Listening on LPF/wlan0/00:14:a4:50:b3:55 Sending on LPF/wlan0/00:14:a4:50:b3:55 Sending on Socket/fallback receive_packet failed on wlan0: Network is down DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8 send_packet: Network is down DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 14 send_packet: Network is down 于 2010-7-26 13:51, yuanwei xu 写道: > > > 在 2010年7月26日 下午12:24，张晓瑞 <[email protected] > <mailto:[email protected]>>写 道： > > 在使用iwlist wlan0 scanning 命令检查无线网络的时候有如下返回信息： > Wlan0 interface doesn't support scanning : network is down > 是不是无线网卡没有启动？ > 当使用ifup wlan0启动无线网卡的时候，返回信息如下： > Ifup: interface wlan0 already configured > > > 可能你的 /etc/network/interfaces 里已经有了对 wlan0 的配置,或者 > network-manager 之类的服务在系统启动的时候对wlan0 做了配置,像"ifup: > ... already configured" 的情况, 你可以先停用再启用: > #ifconfig wlan0 down; ifconfig wlan0 up > 或者 #ifdown wlan0; ifup wlan0 > > 然后,再进行 #iwlist wlan0 scanning > 另外你好像一直没有说明你用的是什么无线网卡? >
