[ntp:questions] Regarding Primary/Secondary NTP setup

Danny Mayer mayer at ntp.org
Thu Feb 19 18:28:56 UTC 2009

Ryan Malayter wrote:

> Now, if the WAN link is very expensive (satellite?) or only
> intermittently connected, that will add to the complexity. If you are
> truly required to have absolutely zero traffic between the sites, you
> really are going to have to do some network-layer routing magic to
> prevent traffic from passing until you are in fail over mode. Such a
> configuration might require a load-balancer NAT device, or other
> network-layer clustering solution.

You should avoid NAT devices as they cause problems with the source and
destination addresses. This gets really bad with autokey.


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