Patton electronic 29XX manual This will enable the use of tunnel authentication

Access Server Administrators’ Reference Guide 24 • Layer 2 Tunneling Protocol (L2TP)

Router(config-if)#ppp authentication chap

Router(config-if)#exit

Router(config)#vpdn-group 1

Router(config-vpdn)#l2tp tunnel authentication

[This will enable the use of tunnel authentication]

Router(config-vpdn)#l2tp tunnel password tpass

[This will define the password for the tunnel authentication -- this needs to match the value set in Tunnel- Password. If Tunnel-Password is not define in the RADIUS server then the RAS will use "tpass"]

Router(config)#username cisco_lns password upass_cisco

Router(config)#username patton_ras password upass_patton

[You will need to define the username and password for the dialin users. This can be defined in the local database or through any other means supported by cisco dialin (RADIUS, TACAS, etc)]

Router(config)#

L2TP Configuration 294