IPV6 addresses

[Karl Auer]

On Mon, 2018-06-25 at 11:09 +0100, Colin Law wrote:
> On another machine with a fresh install, however, the fe80:: address
> does not have any obvious relationship to the MAC address and has not
> got ff:fe at the appropriate place. I deduce from this that there
> other allowed techniques for generating the address but I can't find
> any reference to them anywhere.  Can anyone elucidate?

Not sure where they would be documented, but check out the
configuration options in /proc/sys/net/ipv6/conf/all/ and compare them
with the options available on the other system.

Regards, K.

-- 
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Karl Auer (kauer at biplane.com.au)
http://www.biplane.com.au/kauer
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