“UbuntuHelp:ADSLPPPoE”的版本间的差异

2007年5月16日 (三) 21:50的版本

文章出处:

https://help.ubuntu.com/community/ADSLPPPoE

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This guide is for setting up an ADSL Internet connection using an ethernet PPPoE modem under Ubuntu 6.06 LTS (Dapper Drake) but newer versions of Ubuntu will be similar.

Introduction

Although it may be very common to use a router to connect to the Internet, often it is needed to directly connect to an ADSL (frequently referred to as 'DSL') modem using PPPoE.

Of course, you will need to have subscribed to an Internet Service Provider (ISP), and that your Internet connection be installed and functional. A "DSL" light on your modem usually shows that the line is synchronized.

You will need your username and password provided by your ISP for your DSL account . You must also have an Ethernet card connected to your PPPoE modem with the correct type of cable.

Configuring PPPoE with the command line

To set up the modem, we will use a terminal. To open a terminal, use the menu bar : Applications > Accessories > Terminal.

要设置调制解调器，我们需使用终端。请按如下方式打开终端：应用程序>附件>终端。

You need the PPPoE package to be installed in order for the following command to work. This package is installed by default, but can be missing if the configuration has been changed. If the following command does not work, you will need to install this package (see the PPPoE package installation section).

使以下命令工作妳需安装PPPoE包。此包为默认安装的，但可能在更改时丢失。如果以下命令无法执行，妳需安装PPPoE包(参见PPPoE包安装版块)。

In the terminal type:

在终端中敲:

sudo pppoeconf

A text-based menu program will guide you through the next steps, which are:

妳将见到一个基于文本菜单的程式指导下面的步骤，它将：

Confirm that your Ethernet card is detected.
Enter your username(provided by your ISP).
Enter your password(provided by your ISP).
If you already have a PPPoE Connection configured, you will be asked if it may be modified.
Popular options: you are asked if you want the 'noauth' and 'defaultroute' options and to remove 'nodetach' - choose "Yes".
Use peer DNS - choose "Yes".
Limited MSS problem - choose "Yes".
When you are asked if you want to connect at start up, you will probably want to say yes.
Finally you are asked if you want to establish the connection immediately.

Once you have finished these steps, your connection should be working.

Manual connection control

To start your ADSL connection on demand, in a terminal type:

pon dsl-provider

To stop your ADSL connection, in a terminal type:

poff dsl-provider

Problems

If your connection does not seem to work, try turning your previously configured ADSL connection on manually (see previous section). To see log, in terminal type:

plog

PPPoE package installation

To check if the PPPoE package is installed, in a terminal type:

dpkg -s pppoeconf

If it is installed you should see the output on the package where two lines show this:

Package: pppoeconf
Status: install ok installed

If the package is not installed, insert your Ubuntu CD and in a terminal type:

sudo apt-get install pppoeconf

If the package cannot be found, you may have to add your Ubuntu CD to the list of software repositories. To add your CD, make sure it is inserted in your CD drive and in a terminal type:

sudo apt-cdrom add

If all else fails, you can download the pppoeconf package from http://packages.ubuntu.com/. Of course you will need a working Internet connection, and then to transfer the package via a CDR or USB stick for example. Double click on the package in GNOME to install it.

Boot issues

If you find that you have to run pppoeconf each time you boot, you can try two things:

Edit /etc/network/interfaces as described here, so that that 'pppoe maintained' lines are before 'auto dsl-provider':

auto eth0
iface eth0 inet manual
pre-up /sbin/ifconfig eth0 up # line maintained by pppoeconf

auto dsl-provider
iface dsl-provider inet ppp
provider dsl-provider

Failing that, edit /etc/rc.local, and before the last line ("exit 0"), add:

ifconfig eth0 up
pon dsl-provider

Error logs

If you are having problems with your connection, you may find valuable information in the system message logs. You may acces system logs either in a terminal, or with a graphical interface.

To use the grapical log viewer, in the menu bar, go to : System > Administration > System Log. You will find the system messages in /var/log/messages.

To use the terminal, type:

sudo dmesg

@@ 第38行： / 第38行： @@
 # Confirm that your Ethernet card is detected.
-#确认网卡已被识别
 # Enter your username(provided by your ISP).
-#输入妳的用户名(由妳的互联网服务提供商提供)。
 # Enter your password(provided by your ISP).
-#输入妳的密码(由妳的互联网服务提供商提供)。
 # If you already have a PPPoE Connection configured, you will be asked if it may be modified.
-#如果妳已经设置过PPPoE连接，它将要求妳确认是否变更。
 # Popular options: you are asked if you want the 'noauth' and 'defaultroute' options and to remove 'nodetach' - choose "Yes".
-#常用选项：要妳确认是否需要'noauth'和'defaultroute'选项并移除'nodetach'－选'yes'。
 # Use peer DNS - choose "Yes".
-#使用默认DNS－选'yes'。
 # Limited MSS problem - choose "Yes".
-#限制MSS问题－选'yes'。
 # When you are asked if you want to connect at start up, you will probably want to say yes.
-#启动时连接？要了。
 # Finally you are asked if you want to establish the connection immediately.
-#最后，是否立即建立连接。
 Once you have finished these steps, your connection should be working.
-妳一完成以上步骤，妳的连接就能运行。
 == Manual connection control ==

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