TL-R600VPN IPSEC LAN-LAN: WAN: Phase 2 of IKE negotiation failed Error=18

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TL-R600VPN IPSEC LAN-LAN: WAN: Phase 2 of IKE negotiation failed Error=18

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
TL-R600VPN IPSEC LAN-LAN: WAN: Phase 2 of IKE negotiation failed Error=18
TL-R600VPN IPSEC LAN-LAN: WAN: Phase 2 of IKE negotiation failed Error=18
2023-04-06 16:58:25 - last edited 2023-04-06 17:02:21
Model: TL-R600VPN  
Hardware Version: V4
Firmware Version: 4.04 built 20200313

IPSEC LAN-LAN fails with "WAN: Phase 2 of IKE negotiation failed Error=18"  if also a L2PT server is enabled

When you Disable L2PT server the IPSEC connections is successful and then you can enable L2TP and it also work fine.

but IPSEC phase 2 only is successful if no L2TP is enabled

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