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network troubleshooting

MTU size: the fix that finally stopped my “login keeps timing out” problem

2026-07-262025-12-26 by Lucas
MTU size test to fix login timeouts

My internet wasn’t “down.” Speed tests looked normal, YouTube worked, and my phone felt fine. But one specific thing kept failing like it was cursed. A login page would spin forever, a game service would refuse to connect, or one app would work on mobile data but not on Wi-Fi. I reset the router, changed … Read more

Categories IT Troubleshooting Tags login timeout, mss clamping, mtu, mtu size, network troubleshooting, path mtu discovery, pppoe, psn Leave a comment

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