DHCP failover problems - still
David W. Hankins
David_Hankins at isc.org
Thu May 7 21:25:05 UTC 2009
On Wed, May 06, 2009 at 10:18:02PM +0200, sthaug at nethelp.no wrote:
> This is a bug that I and several others have seen. I can reproduce it,
> and I have tried to give ISC enough info to reproduce it (offering the
> use of my lab if necessary). But so far no luck. See
Sorry I never got back to you Steiner, your last set of information
was complete enough that I could reproduce it trivially.
We have at least two bugs with failover reconnection attempts, of
which one has a fix comitted to maintenance branches (will be in
4.1.1-next, 4.0.2b1, etc), and the other is being reviewed for
Failover will claim a link has been disconnected if it is idle (no
received messages) for more than the configured max-response-delay
(default 20 seconds), or if the socket has been disconnected. A
contact message is used at 1/3rd the max-response-delay to keep the
socket from going idle.
David W. Hankins "If you don't do it right the first time,
Software Engineer you'll just have to do it again."
Internet Systems Consortium, Inc. -- Jack T. Hankins
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