I am experiencing the same slowness. and just posted it here as well (https://community.meraki.com/t5/Security-SD-WAN/MX-slowing-down-internet-speed-by-90/m-p/176009)   I do have (and want) Intrusion detect set to prevent and malware protection enabled. I paid for it. It has also worked flawlessly for years on my MX65 ... View more