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Re: What happens to old MAC assignments?

From David Lesher <wb8foz@panix.com>
Newsgroups alt.folklore.computers
Subject Re: What happens to old MAC assignments?
Date 2024-07-21 14:47 +0000
Organization NRK Clinic for habitual NetNews Abusers - Beltway Annex
Message-ID <v7j713$5aq$3@reader1.panix.com> (permalink)
References <v7bd85$14q$1@reader1.panix.com> <v7bsvo$2ighc$5@dont-email.me>

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Marco Moock <mm+usenet-es@dorfdsl.de> writes:

>I heard the rumor that vendors reassign addresses from their own pool
>because the amount is not enough.
>Address conflicts can occur.


The classic I recall was on Telebit Trailblazers. The production
line was supposed to auto-increment the MAC address being burned
into the board's ROM. But it stuck; all got the same MAC. 

This was not noticed until some outlier had two Trailblazers on
the same LAN segment, and obviously, issues arose.

When troubleshooting routing issues, how many compare the MAC addresses??

-- 
A host is a host from coast to coast...............wb8foz@panix.com
& no one will talk to a host that's close..........................
Unless the host (that isn't close).........................pob 1433
is busy, hung or dead....................................20915-1433

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Thread

What happens to old MAC assignments? David Lesher <wb8foz@panix.com> - 2024-07-18 15:44 +0000
  Re: What happens to old MAC assignments? Gordon Henderson <gordon+usenet@drogon.net> - 2024-07-18 16:12 +0000
    Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-19 01:08 +0000
  Re: What happens to old MAC assignments? Andy Burns <usenet@andyburns.uk> - 2024-07-18 17:14 +0100
    Re: What happens to old MAC assignments? David Lesher <wb8foz@panix.com> - 2024-07-21 14:39 +0000
  Re: What happens to old MAC assignments? Marco Moock <mm+usenet-es@dorfdsl.de> - 2024-07-18 22:12 +0200
    Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-19 01:07 +0000
    Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-18 22:23 -0500
      Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-19 08:11 +0000
        Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-19 08:14 +0000
          Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-19 19:26 -0500
          Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-20 09:01 +0000
      Re: What happens to old MAC assignments? Marco Moock <mm+usenet-es@dorfdsl.de> - 2024-07-19 16:08 +0200
        Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-19 19:31 -0500
          Re: What happens to old MAC assignments? Marco Moock <mm+usenet-es@dorfdsl.de> - 2024-07-23 12:52 +0200
            Re: What happens to old MAC assignments? R Daneel Olivaw <Danny@hyperspace.vogon.gov> - 2024-07-23 14:11 +0200
              Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-24 00:21 +0000
                Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-24 00:00 -0500
                Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-24 23:46 +0000
                Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-24 21:52 -0500
                Re: What happens to old MAC assignments? R Daneel Olivaw <Danny@hyperspace.vogon.gov> - 2024-07-24 11:36 +0200
                Re: What happens to old MAC assignments? Lars Poulsen <lars@beagle-ears.com> - 2024-07-24 08:28 -0700
                Re: What happens to old MAC assignments? R Daneel Olivaw <Danny@hyperspace.vogon.gov> - 2024-07-24 20:52 +0200
                Re: What happens to old MAC assignments? Lynn Wheeler <lynn@garlic.com> - 2024-07-24 14:07 -1000
      Re: What happens to old MAC assignments? ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2024-07-19 16:02 +0000
        Re: What happens to old MAC assignments? Bob Eager <news0009@eager.cx> - 2024-07-19 21:47 +0000
        Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-19 22:53 +0000
        Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-19 19:35 -0500
          Re: What happens to old MAC assignments? Marco Moock <mm+usenet-es@dorfdsl.de> - 2024-07-23 12:54 +0200
            Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-24 00:01 -0500
          Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-24 00:22 +0000
      Re: What happens to old MAC assignments? scott@slp53.sl.home (Scott Lurndal) - 2024-07-19 16:20 +0000
        Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-19 19:36 -0500
      Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-19 22:57 +0000
        Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-19 19:39 -0500
          Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-20 00:53 +0000
            Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-19 21:51 -0500
              Re: What happens to old MAC assignments? Marco Moock <mm+usenet-es@dorfdsl.de> - 2024-07-23 12:57 +0200
                Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-24 00:26 +0000
                Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-24 00:04 -0500
          Re: What happens to old MAC assignments? "Kurt Weiske" <kurt.weiske@realitycheckbbs.org.remove-hqx-this> - 2024-07-20 08:44 -0700
            Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-20 12:14 -0500
              Re: What happens to old MAC assignments? Marco Moock <mm+usenet-es@dorfdsl.de> - 2024-07-23 12:59 +0200
                Re: What happens to old MAC assignments? Ahem A Rivet's Shot <steveo@eircom.net> - 2024-07-23 12:39 +0100
                Re: What happens to old MAC assignments? Marco Moock <mm+usenet-es@dorfdsl.de> - 2024-07-23 21:40 +0200
                Re: What happens to old MAC assignments? ted@loft.tnolan.com (Ted Nolan <tednolan>) - 2024-07-23 21:38 +0000
                Re: What happens to old MAC assignments? Marco Moock <mm+usenet-es@dorfdsl.de> - 2024-07-24 11:42 +0200
                Re: What happens to old MAC assignments? Lars Poulsen <lars@beagle-ears.com> - 2024-07-24 08:29 -0700
                Re: What happens to old MAC assignments? R Daneel Olivaw <Danny@hyperspace.vogon.gov> - 2024-07-24 20:55 +0200
                Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-24 00:08 -0500
            Re: What happens to old MAC assignments? Andy Burns <usenet@andyburns.uk> - 2024-07-20 18:14 +0100
            Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-21 01:11 +0000
    Re: What happens to old MAC assignments? scott@alfter.diespammersdie.us (Scott Alfter) - 2024-07-19 15:08 +0000
      Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-19 19:41 -0500
      Re: What happens to old MAC assignments? Marco Moock <mm+usenet-es@dorfdsl.de> - 2024-07-23 13:00 +0200
        Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-24 00:10 -0500
    Re: What happens to old MAC assignments? David Lesher <wb8foz@panix.com> - 2024-07-21 14:47 +0000
      Re: What happens to old MAC assignments? Andy Burns <usenet@andyburns.uk> - 2024-07-21 16:43 +0100
        Re: What happens to old MAC assignments? Ahem A Rivet's Shot <steveo@eircom.net> - 2024-07-21 17:15 +0100
      Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-21 14:15 -0500
      Re: What happens to old MAC assignments? drb@ihatespam.msu.edu (Dennis Boone) - 2024-07-22 03:23 +0000
        Re: What happens to old MAC assignments? David Lesher <wb8foz@panix.com> - 2024-08-06 17:16 +0000
          Re: What happens to old MAC assignments? John Levine <johnl@taugh.com> - 2024-08-06 23:52 +0000
            Re: What happens to old MAC assignments? "Kurt Weiske" <kurt.weiske@realitycheckbbs.org.remove-a75-this> - 2024-08-07 08:16 -0700
              Re: What happens to old MAC assignments? John Levine <johnl@taugh.com> - 2024-08-07 16:48 +0000
      Re: What happens to old MAC assignments? Marco Moock <mm+usenet-es@dorfdsl.de> - 2024-07-23 13:01 +0200
  Re: What happens to old MAC assignments? drb@ihatespam.msu.edu (Dennis Boone) - 2024-07-18 20:43 +0000
    Re: What happens to old MAC assignments? Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-07-19 01:06 +0000
      Re: What happens to old MAC assignments? drb@ihatespam.msu.edu (Dennis Boone) - 2024-07-19 01:19 +0000
    Re: What happens to old MAC assignments? Grant Taylor <gtaylor@tnetconsulting.net> - 2024-07-18 22:12 -0500
  Re: What happens to old MAC assignments? Bud Frede <frede@mouse-potato.com> - 2024-07-26 08:42 -0400
    Re: What happens to old MAC assignments? David Lesher <wb8foz@panix.com> - 2024-08-06 17:27 +0000

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