I upgraded my MX450 HA pair to 18.207 once I saw it in SRC. Immediately, end users started reporting issues getting websites to load. All devices reported online in the dashboard such as my downstream switches and APs. It was very sporadic as some users had no problems, but several others did. After a few hours of troubleshooting with Meraki support, they recommended a rollback. Rolling back to 18.107 resolved those issues for us. It might have been a random fluke for us, but I wanted to let folks know that may experience similar issues.
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