Just to confirm...what port(s) are active right now for the new LAG at the moment? I'm currently getting >1% loss from the "new" 4200 (ge-0/0/15) over to USI on the 4500 (xe-0/0/14). I thought I ran the same test yesterday afternoon with no loss.. ~Matthew On Wed, Oct 5, 2016 at 7:40 AM, Jeremy Lumby <[log in to unmask]> wrote: > For the time being, I am going to leave only the connection from the 4200 > to the 4500 active since it has the most members, and therefore will show > the least overall loss, while we determine our next step in troubleshooting > this issue. >