From: Greg Wendel (gwendel@gmail.com)
Date: Thu Feb 28 2008 - 15:48:26 ARST
To add to what the honorable Scott Morris wrote,
Write out the first bits in binary
hex 00 is binary 0000 0000
if you invert(change) the 7th bit 0 from a 0 to a 1 you get
bit number 1234 5678
beginning 0000.0000 = 00
changed value 0000 0010 = 02
as you can see we changed the 7th bit from a 0 to a 1 . This causes the
value of the first number to change from 0000 to 0010 - 0010 in binary = 2
in hex
Does this make sense?
On Thu, Feb 28, 2008 at 11:13 AM, abdul muhammed <abdulmuri@gmail.com>
wrote:
> hi,
>
> what does it mean to invert the 7th bit of the MAC address when
> calculating
> ipv6 address of an interface
>
> i.e
>
> my interface mac address= 0030.947e.e582 when inverted gives
> 0230.947e.ef82and when we introduce FFFE into the
> mac address it gives 0230:94FF:FE7E:EF82.
>
> how does inverting the 7th bit produce 0230.947e.e582
>
> thank u
>
> --
> Abdul Muhammed Murtala
> AMerican University of Nigeria
> Lamido Zubairu way, Yola
> Adamawa
> +2348052001153, +2348056201237
>
> Network Manager
> MCSE,MCDBA,MCSA,OCPDBA,CCNA,CCIE Written.
>
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-- Gregory Wendel Springfield VA, 22153
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