Enable IGMP Snooping: It used to Bridge mode.
3.5.3 NAT
Click “NAT” to show the following interface. Under “NAT”, there are four network share modes: “virtual Server”, “port triggering”, and “DMZ Host”.
3.5.3.1 NAT -- Virtual Servers Setup
In this interface, you can query any preset virtual server, delete an exiting virtual server, and add a new virtual server. By default, the system is not configured with a virtual server.
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