FYI/ Caution: MS120 Upgrades to 14.x when used as DMZ
We use MS120s as DMZ for HA on MXs. The MSs management IPs are on VLANs that are behind the MXs. Have been testing 14.x and had this happen both on 14.5 and 14.7.
Sometimes the MS120 fails its upgrades and if it does it ends up in a loop where it retries every two hours or so and continues to fail, the only way to correct is plug your ISP directly into your primary MX so that the ISS still has internet as it completes the update. The first time support tried several times to force the upgrade on their side to no avail until we bypassed.
Hoping support can identify as a bug and fix now that we've had a reoccurrence, but wanted to let folks know.