@Clive_A Please give me answer

@Clive_A Thank you for your advice. But I think I don't need to add route table in my PC side, because target IP address is in subnet for private IP address. Could you have look my picture and make...

@Clive_A Could you please have look my picture again and help me to solve the problem? I intend to use 1 ER605 for 1 connection (PC to DUT).

@aok0 I configured as below. 1st fig. is WAN port, 2nd fig. is NAT My PC NIC is configured 192.168.10.11. But ping to 192.168.10.200 does not response.

@Clive_A Could you show me example configuration? I want to see example of NAT and routing table. Thank you

@Clive_A Many thanks for your comment. I need to connect from 1 PC to several DTUs which have same IP address. Thus I would like to construct as below. And I am asking how to configure IP...