Better: Add an allow rule in the forward chain:
Troubleshooting issues for users behind home routers mikrotik l2tp server setup full
We need a pool of IPs to hand out to remote clients. This must conflict with your local LAN. Better: Add an allow rule in the forward
| Problem | Solution | |--------|----------| | Client can’t connect | Check firewall rules – ensure UDP 500/4500 and ESP are open. | | Authentication fails | Verify ppp secret username/password and IPsec secret. | | IPsec tunnel drops | Increase ipsec-secret complexity. Use strong PSK. | | No internet for VPN clients | Add NAT masquerade rule (Step 7). | | Slow speeds | Change IPsec proposal to AES-128-GCM (if supported). | | | Authentication fails | Verify ppp secret
If you want VPN clients to resolve internal hostnames, add your local DNS server: