Contents
xxiv
Configuring the Dialer on a Tunnel Server DC-517
How to Configure a VPN DC-518
Enabling a VPN DC-518
Configuring VPN Tunnel Authentication Configuration DC-518
Disabling VPN Tunnel Authentication for L2TP Tunnels DC-519
Configuring VPN Tunnel Authentication Using the Host Name or Local Name DC-520
Configuring VPN Tunnel Authentication Using the L2TP Tunnel Password DC-520
Configuring Client-Initiated Dial-In VPN DC-521
Configuring a Tunnel Server to Accept PPTP Tunnels DC-521
Configuring MPPE on the ISA Card DC-522
Tuning PPTP DC-522
Configuring NAS-Initiated Dial-In VPN DC-522
Configuring a NAS to Request Dial-In DC-522
Configuring a Tunnel Server to Accept Dial-In DC-523
Creating the Virtual Template on the Network Server DC-523
Configuring Dial-Out VPN DC-524
Configuring a Tunnel Server to Request Dial-Out DC-524
Configuring a NAS to Accept Dial-Out DC-525
Configuring Advanced VPN Features DC-525
Configuring Advanced Remote AAA Features DC-525
Configuring Per-User VPN DC-526
Configuring Preservation of IP ToS Field DC-527
Shutting Down a VPN Tunnel DC-528
Limiting the Number of Allowed Simultaneous VPN Sessions DC-528
Enabling Soft Shutdown of VPN Tunnels DC-529
Configuring Event Logging DC-530
Setting the History Table Size DC-530
Verifying VPN Sessions DC-530
Verifying a Client-Initiated VPN DC-530
Verifying a NAS-Initiated VPN DC-532
Monitoring and Maintaining VPNs DC-535
Troubleshooting VPNs DC-536
Successful Debug Examples DC-537
L2TP Dial-In Debug Output on NAS Example DC-537
L2TP Dial-In Debug Output on a Tunnel Server Example DC-538
L2TP Dial-Out Debug Output on a NAS Example DC-538
L2TP Dial-Out Debug Output on a Tunnel Server Example DC-539
VPN Troubleshooting Methodology DC-541
Comparing Your Debug Output to the Successful Debug Output DC-543
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