实验TOP：
说明：两端都使用ppp的chap认证。
配置：
server 端的配置：
================================
[H3C]local-user server
[H3C-luser-server]password simple 123456
[H3C-luser-server]service-type ppp
[H3C-luser-server]quit
[H3C]int Virtual-Template 1
[H3C-Virtual-Template1]ppp authentication-mode chap
[H3C-Virtual-Template1]ppp chap user client
[H3C-Virtual-Template1]ip add 192.168.1.1 255.255.255.0
[H3C-Virtual-Template1]remote address 192.168.1.5
[H3C-Virtual-Template1]quit
[H3C]int e0/1/0
[H3C-Ethernet0/1/0]
[H3C-Ethernet0/1/0]pppoe-server bind virtual-template 1
[H3C-Ethernet0/1/0]quit
client 端的配置：
=======================================================
[H3C]local-user client
[H3C-luser-client]password simple 123456
[H3C-luser-client]service-type ppp
[H3C-luser-client]quit
[H3C]dialer-rule 1 ip permit
[H3C]int Dialer 1
[H3C-Dialer1]dialer user server
[H3C-Dialer1]dialer-group 1
[H3C-Dialer1]dialer bundle 1
[H3C-Dialer1]ip add ppp-negotiate
[H3C-Dialer1]ppp chap user server
[H3C-Dialer1]quit
[H3C]int e0/1/0
[H3C-Ethernet0/1/0]pppoe-client dial-bundle-number 1
[H3C-Ethernet0/1/0]quit
