andre at tomt.net
Thu Feb 14 18:32:09 CET 2013
On 14. feb. 2013 18:00, Bernd Walter wrote:
> On Thu, Feb 14, 2013 at 04:17:01PM +0100, Philipp Kern wrote:
>> Andre Tomt <andre at tomt.net> wrote:
>>> If your prefix changes every time you dial in then your ISP is broken.
> Just what I say.
>>> The norm for dynamic prefixes are long leasetimes and mapping stored
>>> persistently by DUID and/or customer. There are some edge cases where
>>> the prefix can change, but "dialling in" or reconnecting should not be
>>> one of them. If you see something else in the field, please shame 'em
> Even then the prefix changes unscheduled and can happen any time.
> Another point: Say you have had a power failure.
> Your plastic box gets rebooted and your DSL won't get established.
> What prefix is your home network running with?
> Local addresses (link local and ULA) are the only options unless your
> plastic box kept knowledge about the old (and at this time not
> officially granted) prefix.
> My router has a static prefix assignment for reason.
My router at home remembers the previous prefix lease and will keep
announcing it to the network until another prefix comes along. I have no
idea if this is the norm though - but it probably should be.
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