We updated several MX-100 and one vMX100. the vMX100 (virtual) updated to 16.16 without issue and is currently still on that version with a scheduled upgrade scheduled. The issue we had was with our physical MX100. When upgrading to 16.16 all of our MX100's would drop out, consistently, every hour for about 10-20 minutes, consistently. We were able to roll them back successfully. I tried several times but eventually updated them to version 17.6 which resolved the issue. The issue had to do with an upstream SFP connection at the DMARC. We have been running version 17.6 without issues for several months. We have not had any bandwidth issues on 17.6 and will upgrade to 17.8 this next week.
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