It appears a lot of the reported issues were side-effects of the introduction of ipv6 throughout the stack. Excessive utilization caused by internal tables filling up and causing device instability. Seems all fixed in MX 18.205. We rolled back to MX 16 and no issues. ... View more

I see that in the latest stable release it is mentioned Bug fixes Corrected a rare issue that could result in excessive device utilization when intrusion detection and prevention was enabled. Wonder if this matches our case but we don't seem to use IDS but see the symptom of excessive utilizatoin while mx250 would and should be sitting idle   Our case with Cisco still open and our device not yet rebooted pending Cisco Meraki investigations ... View more

@Flembothave you progressed this with Meraki support? We have a similar issue, and was wondering if the issue still occurs. Are you using AutoVPN, and if so to how many sites? ... View more

We have the same issue. Seen it on two HA pairs of MX250 after running 18.107.2 for a month. The CPU of the appliances goes to valies > 85% starting at the time of the issue. Issue resolved after rebooting. Reported issue to Cisco and downgraded one pair to 17.10.5 while leaving the other at 18.107.2. ... View more