[ntp:questions] multicast - wrong interface

Danny Mayer mayer at ntp.isc.org
Thu Feb 22 04:32:14 UTC 2007

Martin wrote:
> Thank you for all responses I've got.
> The most important information for me came from Danny Mayer:
>> Right now you can't do it. I am aware of this issue
> So I will stop trying and will use broadcast as a workaround
> for the multicast until the problem gets fixed.
> And because it is already known, I will not report it as a bug.

Well you should since I don't think we have a bug report on this.
Furthermore, I don't know yet whether or not we should try and figure
out which interface should be used or just add a option to the broadcast
line to tell it what to use.

> Richard B. gilbert wrote:
>> Try going with the flow.  If ntpd wants to multicast via eth0, then 
>> connect eth0 to the network you want to multicast to.  Reassign another 
>> interface to do whatever eth0 was doing.
> This would be the last resort. I can't rely on the fact, that ntpd
> prefers eth0, or can I ? IMHO using broadcast instead is easier
> and the outcome is predictable.

There's no guarantee that you'll get the desired result.


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