On 2017/06/26 01:17, Stefan Sperling wrote: > > inet6 fd00::b081:7ff1:9740:fb6 prefixlen 64 deprecated autoconf > > autoconfprivacy pltime 0 vltime 7044 > > inet6 fd00::3ceb:3269:d174:c8cd prefixlen 64 deprecated autoconf > > autoconfprivacy pltime 0 vltime 7046 > > inet6 fd00::e875:55ac:6557:2d74 prefixlen 64 deprecated autoconf > > autoconfprivacy pltime 0 vltime 7046 > > All the fd00 addresses are from the fc00::/7 prefix. > See https://en.wikipedia.org/wiki/Unique_local_address > > Not sure what the fritzbox is announcing this prefix for. > The fritzbox might be doing this if it does not have a routable IPv6 > prefix yet, perhaps? A prefix lifetime of zero implies that these addresses > are not used for new connections. They should disappear once vltime hits zero.
Some routers announce ULA so that you have a stable address range for LAN connections that doesn't change if/when the provider renumbers you, though pltime 0 would seem odd for that..
