Nintendo Switch Error Code 2618-0516

Some Nintendo Switch users are encountering the Switch Error Code 2618-0516 (NAT Traversal Procedure Has Failed)when attempting to connect Online or when attempting to launch a game that includes an online multiplayer component. Most ordinarily, this fault code is reported to occur with Animal Crossing and Splatoon ii.

Switch Fault Code 2618-0516 (NAT Traversal Process Has Failed)

Afterwards investigating this detail consequence thoroughly, it turns out that there are several dissimilar scenarios that might spawn this particular error code. Hither'south a listing of potential culprits:

Inconsistent DNS Range – As information technology turns out, this particular issue is often reported to occur due to an inconsistent DNS Range that determines the console to assign NAT type D which ends upwardly blocking incoming connections for the bulk of P2P games. To set this issue, you lot need to change the DNS Settings and migrate to a more reliable range such as the i provided past Google.
Corrupted TCP / IP cached data – An inconsistency affecting the TCP and IP data that are beingness stored past your router tin also be the underlying cause of this error. In this case, you can fix the consequence by refreshing the TCP / IP data past rebooting or resetting your current network device.
ISP assigns private IP ranges – Proceed in mind that a lot of European ISPs accept started assigning private IPs which might cause problems with certain Switch features that are congenital effectually peer-to-peer connections. If this scenario is applicative, the only way to fix the event is to get in contact with your ISP and inquire them to move you to a public IP range.

At present that you lot know every potential culprit, here's a list of fixes that other affected users have successfully used to set up the issue in their case:

Method i: Irresolute the DNS Settings

Keep in mind that Nintendo has decided to block NAT blazon D (Closed) for years now and NAT type C is also known to cause a lot of underlying issues with P2P games like Splatoon 2.

If you are stuck with a NAT type D or C and there are no ways around information technology, one solution that might permit yous to bypass the Switch Error Code 2618-0516 (NAT Traversal Procedure Has Failed)mistake is to alter the current DNS settings in lodge to permit P2P games to function without issues.

A lot of afflicted users have repotted this particular prepare to be effective in situations where they were encountering this upshot just when connected to a restricted college/work/public network.

In instance this scenario looks like it could be applicable, follow the instructions below to change the default DNS settings on your Nintendo Switch console:

First things start, starting time past pressing on the house icon on your Switch controller. It's located directly below the correct analog stick.

Pressing the House push button on Nintendo Switch
In one case you're inside the Home bill of fare, use the vertical bar of icons at the bottom to access the Settings icon.

Accessing the Settings icon
In one case you're inside the settings menu, admission the Net tab, then access the Cyberspace Settings button from the bill of fare that only appeared.
Next, you should see a list of Registered networks. Wheel through it and select the network that you're actively using, then press A to access the context carte du jour and select DNS Settings from the listing of bachelor options.

accessing the DNS settings carte
Afterward you're inside the DNS menu, choose Manual at the kickoff prompt, and then go to Primary DNS and enter 8.8.8.8 as the Primary DNS.
Next, enter, viii.8.iv.4. as the Secondary DNS and striking the Relieve button.
Repeat the action that was previously causing the fault and meet if the problem is now fixed.

If this scenario is non applicable or you already follow the steps above and y'all're still encountering the same error message, move down to the next potential fix below.

Method 2: Refreshing TCP / IP Cached Information

If changing the DNS settings didn't piece of work in your instance, your next pace should be to troubleshoot the 2nd nearly common cause for this type of inconsistency (TCP or IP related) that's inhibiting your Switch's ability to communicate to the online server.

In case this scenario is applicable, you take two different ways of fixing this outcome:

Resetting your router
Rebooting your router

If you didn't try this potential set however, start by pressing the ability button on the back of your router to plow it off, then physically unplug the ability cable and keep information technology unplugged for a total minute in order to ensure that the power capacitors are completely tuckered.

In one case this period has passed, reconnect the ability cable and printing the power button once once more to start the network device support.

In case the Switch Error Code 2618-0516 (NAT Traversal Process Has Failed)is still not resolved, you should move frontwards to a router reset procedure.

However, before going this to your router it's of import to understand that this operation volition cease up resetting the custom settings that yous previously established including PPPoE credentials, forwarded ports, blacklisted devices, etc.

If you lot understand the consequences and you want to become forward with this procedure, you lot volition demand a precipitous object (needle, small screwdriver, or toothpick) in order to reset your router. This is necessary because, in the vast bulk of cases, the reset button is built-in in order to prevent accidental presses.

One time you're ready, press and agree the reset push for almost 10 seconds or until you meet all the front end LED's flashing at the same time. After the reset process is complete, re-establish your internet connection and see if the result is stock-still.

Note: If your Isp is using PPPoE, you volition need to reinsert the credentials supplied past them beginning.

In case the Switch Fault Code 2618-0516 (NAT Traversal Process Has Failed)fault is notwithstanding occurring, motion dorsum to the next potential fix below.

Method iii: Contacting the Internet access provider

If none of the methods in a higher place accept worked for you and yous're encountering this result with every activeness that requires you to connect to a multiplayer component, you might be dealing with an Internet service provider that uses individual IP addresses which might facilitate the usage of NAT type C.

If that's the example, the just thing y'all tin can practise in guild to fix the issue is to get in contact with your ISP and ask them to provide you with a public IP. This is fairly common with European ISPs that are at the forefront of enforcing policies to protect the user's anonymity.

If you lot suspect that you might exist dealing with this consequence, here's a short guide that volition walk you through the procedure of discovering their NAT type of your Nintendo Switch:

From the primary dashboard of your Nintendo Switch console, access the Organisation Settings screen.

Accessing the Arrangement Settings screen
Once y'all're inside the System Settings carte, click on the Cyberspace tab from the carte du jour on the left, then access the Test Connection entry from the right-paw side menu.

Accessing the Test Connection menu
Wait until the test is finally consummate, then check the letter of the alphabet associated with the NAT type from the list of results. If this letter of the alphabet is C, at that place's a high chance that your Internet access provider is using private IPs.

Checking the NAT type letter via the Connection Exam characteristic