I resolved the issue myself. I’m not sure of the exact cause, but lowering the encryption level allowed communication to proceed normally. Usually, a mismatch in encryption settings would prevent the...

@syun I installed Wireshark on the PC with the IP address 192.168.1.2 and captured packets. When I sent a ping from the Yamaha router to the PC at 192.168.1.2, I confirmed that the packet reached the...

@MR.S On a Yamaha device, if you delete the command "ip route 192.168.1.0/24 gateway tunnel 4," the tunnel's transmission count does not increment when you send a ping to 192.168.1.1. Yamaha devices...

@MR.S Thank you for looking into it. I tried adding `ipsec ike remote id 4 192.168.1.0/24`, but the situation remains unchanged. When I send a ping from the RTX1210, the tunnel's transmit count...

I am setting up an IPsec VPN using a Yamaha RTX1210 and a TP-Link ER605. Although the tunnel session has been established, there is an issue with packet transmission, and pings are failing to go...

@Kevin_Z I bought the Archer AX73. Again, the DDNS address does not enter OpenVPN. Will this be fixed?