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Setting Up a Virtual Private Network (VPN) Tunnel 6-13
ppp authentication pap
6 Ensure RIP and IP Pool configuration parameters are set to the following values:
RIP Configuration
router rip
ver 2
network 192.180.3.0
IP Pool for L2TP Tunnel
ip local pool L2TP 192.168.200.3 192.168.200.10
At this point, your L2TP tunnel should be fully operational and ready for use.
Debugging an L2TP
Tunnel on a Cisco Router
If your L2TP tunnel has not been successfully established, or if it is not operating as
expected, use the following debug commands to identify and correct the
problem(s) you are experiencing:
Debug vpdn command:
Parameter
Used to Debug
error VPDN Protocol errors
event VPDN event
l2tp-sequencing L2TP sequencing
l2x-data L2F/L2TP data packets
l2x-errors L2F/L2TP protocol errors
l2x-events L2F/L2TP protocol events
l2x-packets L2F/L2TP control packets
Debug ppp command:
Parameter
Used to Debug
authentication CHAP and PAP authentication
bap BAP protocol transactions
cbcp Callback Control Protocol negotiation
compression PPP compression
error Protocol errors and error statistics
multilink Multilink activity
negotiation Protocol parameter negotiation
packet Low-level PPP packet dump
tasks PPP background tasks
To configure encryption parameters using the OCR 812 web configurator, see the
Online User’s Guide.