https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=288426
Dmitry Nexus <fbsd.4...@nexus.tel> changed:
What |Removed |Added
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CC| |fbsd.4...@nexus.tel
--- Comment #2 from Dmitry Nexus <fbsd.4...@nexus.tel> ---
(In reply to karl from comment #0)
As a temporary workaround administrators may run ndp -P <if> on affected hosts.
This command flushes all the entries in the prefix list and forces a re-run of
SLAAC on the interface, immediately removing obsolete IPv6 addresses and
triggering reconfiguration from Router Advertisements. To automate this, a cron
job can periodically run a simple connectivity test (for example a ping to a
known IPv6 endpoint) and, if it does not complete within a reasonable time,
execute ndp -P <if>. This avoids long periods with unreachable but still-valid
addresses, although it requires manual or scripted execution and does not
replace proper honoring of pltime/vltime settings in rtadvd.
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