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Unknown mac addresses blocking port

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  • 1.  Unknown mac addresses blocking port

    Posted Feb 02, 2026 08:08 AM

    Hello,

    I have port security enabled on my ports.  I'm using Aruba 2930F.  This specific port sometimes keep blocking because of these 2 mac addresses.  There's only a computer and VoIP phone on this port, only 2 devices.  I know the user is not plugging in anything else.  So why does the switch see these 2 mac addresses once in a while?

      9     00002a-0010ab     TRW - SEDD/INP
  9     000036-001022     ATARI CORPORATION



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