If in one of those scenarios it still shows unreachable, then the block could be happening at the ISP level. These are known as bridge-modems (or a modem/router combo in bridge mode). Setups that use modems that directly provide the connected router with a public IP address should always show 'reachable' by default. The IQrouter Advanced Overview page shows the currently opened ports solicited via UPnP at the bottom of the page. But if an application needs a port to opened and forwarded to the machine it is running on, then it may try and do so via UPnP or ask the user to open it manually. What about security? The IQrouter has a good firewall that by default closes all ports and will not pass unsolicited inbound connections. So whether opened automatically via UPnP or manually in the Advanced menus, port-forwards rely on the WAN of the IQrouter being 'reachable'. For instance many VoIP programs like Skype rely on forwarded ports to improve the quality of the call. Why would you want your router to be reachable? So services and applications that rely on port-forwards can work appropriately. It is useful when running in a 'cascaded' (one router behind another) to validate that traffic is being forwarded or not. Check Enable or Apply to turn on this rule.The IQrouter features a handy test to validate whether the WAN port of the IQrouter is reachable to computers on the public Internet.Enter the IP address you assigned to the console.
For the Nintendo Switch console, this is port 1024 through 65535. Within the port range, enter the starting port and the ending port to forward.When asked for an application name, you can enter any word (Nintendo Switch, etc.).
While the location will vary from router to router, it will typically be located in an area titled firewall, virtual server, security, or applications and gaming.
If the connection test fails with the IP address that you entered, try a different IP address by adding 30, 40, and so on to the last section of digits.
Important: Every device on a network must have a different, unique IP address.
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