Public bug reported:
The default lifetime was changed to 1 day in 2.82 in the change
corresponding to this changelog entry:
Change default lease time for DHCPv6 to one day.
Fine, but the same commit also did this:
Alter calculation of preferred and valid times in router
advertisements, so that these do not have a floor applied
of the lease time in the dhcp-range if this is not explicitly
specified and is merely the default.
And that change is buggy and causes advertisements to have infinite
lifetime, when you are using the default.
See this thread
http://lists.thekelleys.org.uk/pipermail/dnsmasq-
discuss/2020q3/014341.html
** Affects: dnsmasq (Ubuntu)
Importance: High
Status: Triaged
** Tags: update-excuse
** Tags added: update-excuse
** Changed in: dnsmasq (Ubuntu)
Status: New => Triaged
** Changed in: dnsmasq (Ubuntu)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1894619
Title:
[2.82 regression] router announcements have 'forever' lifetime by
default
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