On May 27, 2014, at 10:35 AM, Bob Armstrong <bob at jfcl.com> wrote: On 2014-05-27 07:07, Paul_Koning at Dell.com wrote: In other words, the listen timeout for Ethernet is 3 * hello time, for point to point it is 2 * hello time. =20 But can you clarify who is dropping who (i.e. which end is timing out)? = The message on LEGATO says "dropped by adjacent node" not "dropping adjac= ent node", which makes it sound as if MIM is timing out, not LEGATO (and th= en somehow telling LEGATO that, which is another mystery). =20 Or is this just a poorly worded message? No, the message is very precise. If you see a message on LEGATO which reports adjacency MIM down for that re= ason, it means LEGATO received an Ethernet router hello message from MIM th= at no longer lists LEGATO as one of the routers that MIM can see. MIM will have a reason for not reporting LEGATO any longer. It should have= logged a message stating that reason. paul When we where chasing another problem, it was found that packets "disapear" in the Ethernet fabric at Update, sometimes. Maybe Johnny can make a small map of the current topology with all involved things and the lan-speeds? --P