1.打开终端
#sudo pppoeconf
进入配置,输入用户名和密码.
2.建立连接
#sudo pon dsl-provider

3.断开连接

#sudo poff dsl-provider

Welcome to the ADSL client setup. First, I will run some checks on
your system to make sure the PPPoE client is installed properly...

LOGIN NAME
#请输入adsl帐户名：
Enter your Login Name (default root):gzdsl123456789

INTERFACE

#哪一块网卡连接的是adsl moden：

Enter the Ethernet interface connected to the ADSL modem

For Solaris, this is likely to be something like /dev/hme0.

For Linux, it will be ethX, where 'X' is a number.

(default eth0): eth1

#输入server自动获取dns服务器IP
DNS

Please enter the IP address of your ISP's primary DNS server.

If your ISP claims that 'the server will provide dynamic DNS addresses',

enter 'server' (all lower-case) here.

If you just press enter, I will assume you know what you are

doing and not modify your DNS setup.

Enter the DNS information here:server