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Windows KB5127648 Breaking 802.1X Authentication

Hello Team,Just to help others: if you started seeing 802.1X authentication problems (Wi‑Fi or Ethernet) after the October Patch Tuesday, check if the affected devices have KB5127648 installed. There are many reports of issues with PEAP‑MSCHAPv2, and...

dariusmp by • New Contributor II
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Mac-address-table full root cause

Hi allThree years later, the problem has resurfaced. It appears that certain devices are causing "flapping," preventing the MAC table from clearing normally. I tried locking the negotiation to 100 Full and forcing the PoE mode, but nothing works - th...

darvid by • New Contributor II
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  • 0 kudos
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