Re: IPv6 with DHCP -- how is default route set?

[Andrei Borzenkov <arvidjaar gmail com>]

20.10.2015 19:37, Eloy Paris пишет:
> I realize now that it is not that nothing happened but that things took
> a long time (a couple of minutes) to happen -- first, there was a delay
> to get an IPv6 address, and then there was a delay (after the interface
> had a global IPv6 address) to see the default route installed.
>
> Are these delays normal; do they depend on the frequency of router
> advertisements? If so, can NM not elicit a router advertisements by
> sending a router solicitation? If that is what is supposed to happen
> then I don't understand the delays. In contrast, IPv4 configuration is
> immediate.

      MaxRtrAdvInterval
                     The maximum time allowed between sending
                     unsolicited multicast Router Advertisements from
                     the interface, in seconds.  MUST be no less than 4
                     seconds and no greater than 1800 seconds.

                     Default: 600 seconds

Routers are expected to send advertisements in random intervals between 
minimal and maximal interval, in the worst case you may have 30 minutes ...