ubuntu上校园网 求助

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显示有限连接已经连上了，并且变成了一个上一个下的两个箭头。但是打开浏览器提示：filefox已经运行，但是没有响应，为了打开一个新窗口，你必须先退出firefox进程或重新启动。但是重启n次无效，用的是xclient认证的。按着以下的步骤li下文以Ubuntu Linux为例

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上网认证客户端配置指南
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happy@trubuntu:~/$unzip linux_client.zip
happy@trubuntu:~/$cd client/

happy@trubuntu:~/client$ sudo -sH ##取得root权限
Password:

root@trubuntu:~/client# ./pre.ps su ##运行安装脚本
configuration directory exist
Refresh IP script is READY.
Authencation file is READY.
pre operation finished successfully

root@trubuntu:~/client# linux1x -c ##配置上网参数
configure 802.1X network connection arguments
Current configuration is:

The way to initialize 802.1X authentication.......:multicast
Send all packets by multicast.....................:N
Refresh IP address after connecting...............:Y
Save message and package to log...................:N
Continue to configure your network connection arguments?(Y/N)
y

There are two ways to initialize 802.1X authentication:
1. Trap by broadcast.
2. Trap by multicast.
Please choose the way to initialize the 802.1X authentication : ; ##询问是使用“广播触发”模式还是使用“多播触发”，在WINDOWS中我们必须配置客户端为“多播触发”才可以上网，但Linux中的这个客户端你选哪个都能正常上网，所以写1写2可随意。

2

Send all packets by multicast? (Y/N):
y

Refresh your IP address after connecting? (Y/N): ##询问连接后是否更新IP，看你个人意愿和系统需要，如果你使用redhat、fedora core最好选择是，因为红帽的系统常常无法自动获得IP，如果你是其他发行版，比如Ubuntu，可以选否。

y

Save message and package to log?(Y/N): ##询问是否保存日志，随个人意愿选择
y

The default save directory is '/var/log/h3c-linux1x/', do you want to change it?(Y/N):
y

Configuration has finished, do you want to save it?(Y/N) ; ##询问是否保存配置文件，这个要选Y设置才会生效
y

Save configuration sucessfully! ##配置成功

root@trubuntu:~/client# linux1x -d
Please enter your user name (less than 128 characters):xxxxxx ##输入你的帐户名
Please enter your password (less than 64 characters): ##输入帐户密码
start 802.1X authentication
device check
server check
Internet Systems Consortium DHCP Client V3.0.2
Copyright 2004 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/products/DHCP

sit0: unknown hardware address type 776
sit0: unknown hardware address type 776
Listening on LPF/eth0/00:yy:4c:zz:cb:xx
Sending on   LPF/eth0/00:yy:4c:zz:cb:xx
Sending on   Socket/fallback
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPACK from 172.17.138.1
bound to 172.17.138.xx -- renewal in 38286 seconds.
pass authentication
proxy check off
multi-network-card off
http check off...............[/color]联网成功，密码会被自动保存，下次你再上网，只需要输入linux1x -d即可。
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