D-Link DFL-2500 - Manual (Page 265)

4. Click OK
5. Go to Rules > IP Rules > Add > IPRule
6. Enter a name for the rule, eg. NATL2TP
7. Now enter:
• Action: NAT
• Service: all_services
• Source Interface: l2tp_tunnel
• Source Network: l2tp_pool
• Destination Interface: any
• Destination Network: all-nets
8. Click OK
9.5.2. L2TP Chapter 9. VPN
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