Maybe a typo "this does not affect the EX2300-48P running 15.1X53-D55"? D55 has the behavior or not? You later state D56 shows same behavior, which I assume is multiple packets.
Can you send your EX2300 config?
Maybe a typo "this does not affect the EX2300-48P running 15.1X53-D55"? D55 has the behavior or not? You later state D56 shows same behavior, which I assume is multiple packets.
Can you send your EX2300 config?