[pfSense Support] carp and backup to master switch

[alan walters]

Running carp on two wrap boards on 0.86. when failing over from master to backup all works fine. (my test is a ptpp connection) But when the master comes back online the ptpp connection is lost everything is ok after this again though I can reconnect to ptpp immediately on master.   Carp rules are like so.   Master sync all options. Backup sync enabled and pre-emption enabled.   Is this configuration correct or should I sync everything on backup as well??