安装依旧使用yum：
[root@test ~]# yum install rp-pppoe -y
0x03 配置
使用pppoe-setup进行交互式配置：
[root@test ~]# pppoe-setup


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


#这里请输入宽带账号
LOGIN NAME


Enter your Login Name (default root): 1234567890@163.gd


#这里请指定与modem相连接的网卡名称，我的是eth0
INTERFACE


Enter the Ethernet interface connected to the PPPoE 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):


#是否使用空闲断开？我选择NO，默认也是NO
Do you want the link to come up on demand, or stay up continuously?
If you want it to come up on demand, enter the idle time in seconds
after which the link should be dropped. If you want the link to
stay up permanently, enter ‘no’ (two letters, lower-case.)
NOTE: Demand-activated links do not interact well with dynamic IP
addresses. You may have some problems with demand-activated links.
Enter the demand value (default no):


#设置DNS服务器地址
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.


#DNS1服务器地址，我自建有DNS缓存服务器，所以我填写的是10.1.1.1
#个人建议使用DNS服务器：114.114.114.114
Enter the DNS information here: 10.1.1.1


#DNS2服务器地址，我没有冗余的DNS服务器，也不想用公共DNS，所以我留空
#个人建议使用DNS服务器：114.114.115.115
Please enter the IP address of your ISP’s secondary DNS server.
If you just press enter, I will assume there is only one DNS server.
Enter the secondary DNS server address here:


#这里请输入宽带密码，要注意的是输入的时候并不会显示字符。按顺序输入然后回车即可
PASSWORD


Please enter your Password:
Please re-enter your Password:


#是否允许普通用户打开和关闭DSL连接？
#如果你担心安全问题，请设为no。仅能用root用户连接或断开
USERCTRL


Please enter ‘yes’ (three letters, lower-case.) if you want to allow
normal user to start or stop DSL connection (default yes):


#防火墙，我的网络使用iptables控制，这里的防火墙我选择0关闭
FIREWALLING


Please choose the firewall rules to use. Note