@ciesiew Problem solved: For ER605 router: VPN IP POOL 192.168.10.220 - 229. For TL-R605 router: VPN IP POOL 192.168.0.230 - 239. The IP POOL VPN addresses for the backup router are in the same range...

@ciesiew It didn't help anything. The problem is the address of the backup VPN router: 192.168.0.100. If I set the gateway 192.168.0.100 on workstations then it works, but then the first one...

In the network topology below, the computers from the local network are visible during the VPN connection to the ER605 router. With VPN connection to the backup TL-R605 router, the VPN connection is...