Subj : IPv6
To   : Ray Quinn
From : Michiel van der Vlist
Date : Mon Aug 22 2016 12:30:03

Hello Ray,

On Sunday August 21 2016 21:42, you wrote to me:

 MvV>> Also note the ff:fe in the middle. This tells me it is a so
 MvV>> called SLAAC addres. The lower 64 bit or the host part of the
 MvV>> address is derived form yoy MAC address. Remove the FF:fe and
 MvV>> invert leat but one significant buye of the most significant
 MvV>> nibble en you get
 MvV>> e0:3f:49:ad:0f:a9 as your MAC address.

 RQ> aa50:e23 - invert the 0 and the e to get e0, skip the 2, then the 3f,
 RQ> the 49, skip the ff:ea to get to the ad, add 0 in front of f to get
 RQ> 0f, then the a9. I see the pattern, but have no idea as to why.

https://supportforums.cisco.com/document/100566/understanding-ipv6-eui-64-bit-address

 MvV>> From the information I got so far I am 90% confident that
 MvV>> 2602:306:bd31:aa50:e23f:49ff:fead:fa9 is the correct address.

 RQ> I believe that may be the case...

Make that 98% ;-)

 MvV>> When you get back home look at the firewall first.

 RQ> Headed out to the fireline tomorrow... This may be the last contact
 RQ> for a bit.

OK, keep cool..


Cheers, Michiel

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