L2TP VPDN Config over 1X CDMA, Cisco 3660 [LNS] - PDSN [LAC]
Posted by a. Rahman Isnaini r. Sutan on March 5, 2008
4 PM…
My LNS (Cisco 3660) & PDSN have successfully worked simple L2TP VPDN
For mobile internet access service.
Here the config :
CISCO CONFIGURATION :
##########################################################
vpdn enable
vpdn ignore udp checksum (if it’s not exist, fine)
vpdn search-order domain dnis (if it’s not exist, fine)
!
vpdn-group cdma
accept-dialin
protocol l2tp
virtual-template 7
terminate-from hostname L2TP_trial-lac
local name L2TP_trial-lac
l2tp tunnel password 7 07062F4841071C161E135B54
# Wrong Password causes : Tunnel Auth Failed.
interface Loopback7
description POOL-CDMA
ip address 192.168.105.1 255.255.255.0
interface Virtual-Template7
description Virtual Interface to PDSN-LAC
ip unnumbered Loopback7
peer default ip address pool cdma
ppp authentication chap callin
ppp chap password 7 020F0A5F04080A32454F5941
# No IP Address Virtual Access never come up.
# Ensure LNS password = LAC Password
ip local pool cdma 192.168.105.2 192.168.105.254
############################################################
Thanks to Pak Eko Risyunirianto, Tony, Eka, Romi and Perdana Bakrie for Inspiration & Config 
a. rahman isnaini rangkayo sutan
