Gentoo Archives: gentoo-user

From: Grant Edwards <grant.b.edwards@×××××.com>
To: gentoo-user@l.g.o
Subject: [gentoo-user] Re: MAC from IPv6 address. WAS: Re: How to find the MAC address
Date: Sat, 21 Apr 2012 17:02:02
Message-Id: jmup2h$ta7$1@dough.gmane.org
In Reply to: Re: [gentoo-user] MAC from IPv6 address. WAS: Re: How to find the MAC address by Stroller
1 On 2012-04-21, Stroller <stroller@××××××××××××××××××.uk> wrote:
2 >
3 > On 20 April 2012, at 18:21, Michael Mol wrote:
4 >> ?
5 >> The inet6 address listed is
6 >>
7 >> fe80::be5f:f4ff:fe19:ad18
8 >>
9 >> and your MAC is
10 >>
11 >> bc:5f:f4:19:ad:18
12 >>
13 >> ?
14 >>
15 >> be:5f:f4:19:ad:18
16 >>
17 >> Which is your MAC.
18 >
19 > And then we just convert all incidences of the letter "e" to "c"? Is
20 > there some rule for this part?
21
22 Yes. I answered that question in the original thread. You toggle bit
23 1 of the first byte of the MAC address when converting to/from an IPv6
24 LL address.
25
26 > Perhaps I'm missing something here.
27
28 RFC2464 sections 4 and 5.
29
30 --
31 Grant Edwards grant.b.edwards Yow! I just had my entire
32 at INTESTINAL TRACT coated
33 gmail.com with TEFLON!