Occasionally a device's IP will change for a legitimate, though often unforeseen, reason. Mobile phones like to use dynamic MAC's, so they get new IP's all the time. A VM on a virtual switch may get a new IP if the switch is altered or recreated.
What I've seen in Firewalla when this happens is a "new" device with the same name and a new IP. The "old" device goes offline and stagnant until I delete it or it obsolesces on its own. The "new" device is not in the group I assigned the "old" device to, and has none of its history.
Can we get an option to "merge" these devices so that the settings and traffic history remain consistent throughout IP/MAC changes? It could be as simple as a button on the alarm for the "new" device, letting you indicate that yes, it's really the same device, merge them.
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