I am confused by an issue with many teleworkers using Z3 and MX64 & 67 for home setups.  We have approximately 3000 active peers distributed between three MX250s.  Many teleworkers complain about lag and freezing on Citrix applications and IP phones.  Looking at the MX250s, they are running clean with no evidence of utilization issues.  This is also not happening to everyone who is peered to an MX250.   When I look at logs for the teleworker Z3 or MX appliance, I only see a lot of "Ethernet port carrier change" messages.  These usually range from every few hours to more frequently.  I know all the posts relay that this is a physical connectivity issue.  I find that hard to be accurate as we have swapped out cables for some with no change.  Also, I see this message on just about everyone's appliances, even those who do not complain of lag issues.  It just isn't possible that hundreds of users have faulty patch cables.  I do not see these messages on the MX250 hubs.   Any advice? ... View more