A sort of port flapping issue? If you have a way of detecting when that is happening (for example some pingable device behind that port) then you can set a Netwatch script to disable/enable that interface, maybe it will save you a trip or two to that location.
:local Items;
:local Item;
:log info message="The X.Y.Z.W does not ping, we'll flip the ether1.";
:set Items [/int find name="ether1"];
:foreach Item in=$Items do={/int disable $Item};
:delay 5;
:set Items [/int find name="ether1"];
:foreach Item in=$Items do={/int enable $Item};