3Com 3C13636 Configuration Manual page 1238

3Com Router 3000 Ethernet Family
Configuration Guide
[3Com1-luser-vpdn2] service-type ppp
[3Com1-luser-vpdn2] quit
# Apply local authentication to the domain user.
[3Com1] domain 263.net
[3Com1-isp-263.net] scheme local
[3Com1-isp-263.net] quit
[3Com1] domain 163.net
[3Com1-isp-163.net] scheme local
[3Com1-isp-163.net] quit
# Enable CHAP authentication on the interface that provides the access service to the
dial-up users and configure IP address on BRI1/0/0.
[3Com1] interface bri1/0/0
[3Com1-bri1/0/0] ip address 202.38.160.1 255.255.255.0
[3Com1-bri1/0/0] ppp authentication-mode chap
[3Com1-bri1/0/0] ppp authentication-mode chap domain
[3Com1-bri1/0/0] quit
# Set two L2TP groups and configure the relevant attributes.
[3Com1] l2tp enable
[3Com1] l2tp-group 1
[3Com1-l2tp1] tunnel name LAC
[3Com1-l2tp1] start l2tp ip 202.38.161.2 domain 263.net
[3Com1-l2tp1] l2tp-group 2
[3Com1-l2tp2] tunnel name LAC
[3Com1-l2tp2] start l2tp ip 202.38.161.2 domain 163.net
# Enable tunnel authentication and set the password for it.
[3Com1-l2tp2] tunnel authentication
[3Com1-l2tp2] tunnel password simple 12345
[3Com1-l2tp2] l2tp-group 1
[3Com1-l2tp1] tunnel authentication
[3Com1-l2tp1] tunnel password simple 12345
3) Configuration on 3Com2 Router (at LNS side)
<3Com2> system-view
[3Com2] interface serial 1/0/0
[3Com2-Serial1/0/0] ip address 202.38.161.2 255.255.255.0
[3Com2-Serial1/0/0] quit
# Create two usernames and passwords.
[3Com2] local-user vpdn1
[3Com2-luser-vpdn1] password simple 11111
[3Com2-luser-vpdn1] service-type ppp
[3Com2] local-user vpdn2
3Com Corporation
2-31
Chapter 2 Configuration of L2TP