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Groups > comp.mobile.android > #155781

Re: Tablet refuses to connect to an AP that it knows

From Maria Sophia <mariasophia@comprehension.com>
Newsgroups comp.mobile.android
Subject Re: Tablet refuses to connect to an AP that it knows
Date 2026-09-08 21:07 +0400
Organization BWH Usenet Archive (https://usenet.blueworldhosting.com)
Message-ID <117pfch$8ng$1@nnrp.usenet.blueworldhosting.com> (permalink)
References (1 earlier) <117npkl$169i$1@nnrp.usenet.blueworldhosting.com> <1qq4nmxqch.ln2@Telcontar.valinor> <117pbi1$317l$1@nnrp.usenet.blueworldhosting.com> <f7r5nmxolm.ln2@Telcontar.valinor> <117pf5u$337$1@nnrp.usenet.blueworldhosting.com>

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Maria Sophia wrote:
>> d e f
> 
> Thank you for being the one out of 100 who understands the concepts!

Carlos got the point that the first half are different from the second
half, but we should clarify which half is which in this specific case.

The key to factory-vs-administered is the U/L (Universal/Local) bit, which
is the 2nd-least-significant bit of the first octet (not the 2nd hex char).

a. 00 -> binary 00000000 -> U/L = 0 -> factory/universally administered
b. 40 -> 01000000 -> U/L = 0 -> factory/universally administered
c. 80 -> 10000000 -> U/L = 0 -> factory/universally administered
d. 02 -> 00000010 -> U/L = 1 -> locally administered/randomized
e. 46 -> 01000110 -> U/L = 1 -> locally administered/randomized
f. 8A -> 10001010 -> U/L = 1 -> locally administered/randomized

Factory burned:  a, b, c
Locally administered/randomized:  d, e, f

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Thread

Tablet refuses to connect to an AP that it knows "Carlos E.R." <robin_listas@es.invalid> - 2026-09-07 19:42 +0200
  Re: Tablet refuses to connect to an AP that it knows Maria Sophia <mariasophia@comprehension.com> - 2026-09-08 04:50 +0300
    Re: Tablet refuses to connect to an AP that it knows "Carlos E.R." <robin_listas@es.invalid> - 2026-09-08 09:41 +0200
      Re: Tablet refuses to connect to an AP that it knows Nuno Silva <nunojsilva@invalid.invalid> - 2026-09-08 09:51 +0100
        Re: Tablet refuses to connect to an AP that it knows "Carlos E.R." <robin_listas@es.invalid> - 2026-09-08 11:51 +0200
      Re: Tablet refuses to connect to an AP that it knows "Carlos E.R." <robin_listas@es.invalid> - 2026-09-08 12:45 +0200
      Re: Tablet refuses to connect to an AP that it knows Maria Sophia <mariasophia@comprehension.com> - 2026-09-08 19:02 +0300
        Re: Tablet refuses to connect to an AP that it knows "Carlos E.R." <robin_listas@es.invalid> - 2026-09-08 18:54 +0200
          Re: Tablet refuses to connect to an AP that it knows Maria Sophia <mariasophia@comprehension.com> - 2026-09-08 21:03 +0400
            Re: Tablet refuses to connect to an AP that it knows Maria Sophia <mariasophia@comprehension.com> - 2026-09-08 21:07 +0400
  Re: Tablet refuses to connect to an AP that it knows Andy Burns <usenet@andyburns.uk> - 2026-09-08 11:51 +0100
    Re: Tablet refuses to connect to an AP that it knows "Carlos E.R." <robin_listas@es.invalid> - 2026-09-08 13:35 +0200
      Re: Tablet refuses to connect to an AP that it knows Andy Burns <usenet@andyburns.uk> - 2026-09-08 13:41 +0100
        Re: Tablet refuses to connect to an AP that it knows Maria Sophia <mariasophia@comprehension.com> - 2026-09-09 20:52 +0430

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