Brad Knowles wrote:
At 8:55 PM +0100 2005-08-13, David Woolley wrote:
I guess, the best solution waiting for next ntpd release, as described
by Steve Kostecke, is to have my local ntpd server for my local network
be "inside" the network without any dynamic IP address.
Note that I believe that the proposed solution is to either periodically
scan for new interfaces or to scan when a server fails.
Personally, I think you probably need to do both. You need to
periodically rescan the interfaces, in case a new interface has been
added but no old ones have gone away, and you need to also detect when
old ones have disappeared.
Detecting when an old interface has "disappeared" should be possible
looking at the errno global variable when sendto() system call returns
an error (errno = EINVAL). And I guess, like Bind does, a periodic
interface scanning plus an "on event" scanning (when sendto() returns an
error) should be "large" enough to address this problem?
Regards,
Denis.
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