@MOV Sorry that I get the wrong information. I check TP-Link website again. It seems that has not way to disable the specific tunnel. Maybe you can try to edit the VPN item then save again, do not...

@Tivoli Online detection contains Ping and DNS lookup. You can use one of them or both of them. If the router cannot ping the specific IP address or cannot resolve domain name from DNS server, it...

@alexman It seems that ER6020 doesn't support CLI command.

@MOV If your ER6020 is a L2TP VPN server, you can re-enable VPN server. It will make all VPN tunnel re-build. If each R600VPN use different VPN account to connect to ER6020, you can re-enable the...

@Tivoli Unfortunately R470T+ may not meet your requirements. It cannot set the policy based on ping delay. Its linkbackup function is based on online detection. If primary WAN go offline, the data...

@Marson You can do a simple test. Install HFS on your PC. Set the port as 3309 for HFS. Then change the Int Server IP: 192.168.0.12 to the IP address of HFS. Check if you can access HFS from external...