※ 引述《fishlinghu (令狐瑜)》之铭言： : 先跟各位说声抱歉 : 我的问题可能有点不明确 : 因为我完全不记得我有修改过任何网路设定 : 可是最近几天笔电的WiFi就突然不能使用了 : 其实都有显示有连线而且讯号不弱 : 可是网页就是开不起来 : 我用两种指令检查 : nm-tool还有ifconfig : 看起来都满正常的 : nm-tool也显示说status是connected : 唯一一个疑问是IPv4 Address是显示内网域的Address没错吗? : 我看他写10.XX.XX.XX : 然後刚刚有一个奇怪的现象 : 就是我把那个WiFi删掉 : 让笔电重新抓 重新输密码 : 就突然可以使用大概30秒 : 之後又挂掉了 : 再说明一下这个WiFi : 他是学校的WiFi 相关加密协定有WPA2, AES, PEAP, MSCHAPv2 : 连之前都要输帐密才可以连的那种 : 不知道网友能否提供一些检查的方法呢?? : 或是你觉得可能是哪里出了问题 : 非常感谢各位的帮忙!!! 这几天又摸了一阵子还是找不出原因 所以我弄了一些详细讯息 希望有人可以看出端倪QQ ==============这是resolv.conf里面的资讯============== 8.8.8.8 和 8.8.4.4是我自己後来从别的地方加上去的DNS server # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 8.8.8.8 nameserver 8.8.4.4 nameserver 127.0.1.1 search soton.ac.uk =============ifconfig============ wlan0 Link encap:Ethernet HWaddr 60:6c:66:b9:f5:69 inet addr:10.14.45.205 Bcast:10.14.45.255 Mask:255.255.255.0 inet6 addr: fe80::626c:66ff:feb9:f569/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1597 errors:0 dropped:0 overruns:0 frame:0 TX packets:3258 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1218326 (1.2 MB) TX bytes:436485 (436.4 KB) =============iwconfig============= wlan0 IEEE 802.11bgn ESSID:"eduroam" Mode:Managed Frequency:2.437 GHz Access Point: 70:10:5C:A1:F9:F0 Bit Rate=78 Mb/s Tx-Power=16 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=57/70 Signal level=-53 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:50 Missed beacon:0 =============route -n================== Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 10.14.45.254 0.0.0.0 UG 0 0 0 wlan0 10.14.45.0 0.0.0.0 255.255.255.0 U 9 0 0 wlan0 ==================nm-tool======================= NetworkManager Tool State: connected (global) - Device: wlan0 [eduroam] ----------------------------------------------------- Type: 802.11 WiFi Driver: iwlwifi State: connected Default: yes HW Address: 60:6C:66:B9:F5:69 Capabilities: Speed: 65 Mb/s Wireless Properties WEP Encryption: yes WPA Encryption: yes WPA2 Encryption: yes Wireless Access Points (* = current AP) eduroam: Infra, 70:10:5C:A1:E6:20, Freq 2412 MHz, Rate 54 Mb/s, Strength 65 WPA WPA2 Enterprise eduroam: Infra, 08:CC:68:B8:3C:80, Freq 2437 MHz, Rate 54 Mb/s, Strength 52 WPA WPA2 Enterprise DIRECT-taM2020 Series: Infra, 32:CD:A7:2C:9C:C9, Freq 2412 MHz, Rate 54 Mb/s, Strength 32 WPA2 BTHub3-CGRK: Infra, 00:81:D8:69:9B:C2, Freq 2462 MHz, Rate 54 Mb/s, Strength 29 WPA WPA2 BTWifi-X: Infra, 22:81:D8:69:9B:C2, Freq 2462 MHz, Rate 54 Mb/s, Strength 27 WPA WPA2 Enterprise RIA IS DOPEY: Infra, 64:70:02:43:1B:4A, Freq 2437 MHz, Rate 54 Mb/s, Strength 24 WPA2 BTWifi-with-FON: Infra, 02:81:D8:69:9B:C2, Freq 2462 MHz, Rate 54 Mb/s, Strength 32 eduroam: Infra, 08:CC:68:B8:39:50, Freq 2462 MHz, Rate 54 Mb/s, Strength 67 WPA WPA2 Enterprise eduroam: Infra, 70:10:5C:A1:D8:80, Freq 2437 MHz, Rate 54 Mb/s, Strength 44 WPA WPA2 Enterprise eduroam: Infra, 08:CC:68:B8:16:B0, Freq 2462 MHz, Rate 54 Mb/s, Strength 42 WPA WPA2 Enterprise NUMBER9: Infra, 00:1A:70:9A:CE:2E, Freq 2462 MHz, Rate 54 Mb/s, Strength 20 WPA *eduroam: Infra, 70:10:5C:A1:F9:F0, Freq 2437 MHz, Rate 54 Mb/s, Strength 67 WPA WPA2 Enterprise eduroam: Infra, 08:CC:68:B8:16:90, Freq 2412 MHz, Rate 54 Mb/s, Strength 35 WPA WPA2 Enterprise IPv4 Settings: Address: 10.14.45.205 Prefix: 24 (255.255.255.0) Gateway: 10.14.45.254 DNS: 152.78.255.72 DNS: 152.78.255.71 DNS: 8.8.8.8 DNS: 8.8.4.4 - Device: eth0 ----------------------------------------------------------------- Type: Wired Driver: r8169 State: unavailable Default: no HW Address: 94:DE:80:67:2F:6B Capabilities: Carrier Detect: yes Wired Properties Carrier: off ===================以下是我的一些测试结果===================== ping 127.0.1.1: OK 一切正常 ping 10.14.45.254:(gateway) 无反应 我大概等一分钟 连ICMP错误讯息都没回 ping 8.8.8.8: 无反应 我大概等一分钟 连ICMP错误讯息都没回 ==================奇怪状况========================= 一、 电脑刚开机的时候可以连网页 可是就像我第一次说的 过没几秒就又挂了 二、 我刚刚拔掉网路线 想测试无线网路的时候 点选我要连的无线网路就出现了以下错误讯息 (1) Creating object for path '/org/freedesktop/NetworkManager/ActiveConnection/4' failed in libnm-glib. 所以我只有刚开机 没插网路线的情况下 输入网路密码後才可以连 然後连上之後就跟我第1点说明的情况一样 总之就是明明显示有连上 可是其实不work 以上是我目前整理出来的资料 希望大家可以帮个忙 哪怕你也不确定 都麻烦告诉我你觉得可能的问题 我再去查 非常感谢大家帮忙QQ --

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