Same for me with my MX450. Upgraded to 18.207 -> two major problems : - The MX450 restarts randomly (according to the logs, loss of power, even though we have 2 redundant power supplies) or uplink down... - Some of our users are unable to connect with the basic VPN client (L2TP connection failed because the security layer encountered a processing error during initial negotiations) Support wasn't aware either. After 2 hours on the phone with them, we downgraded. Rolling back to 18.107 resolved all issues... Be very careful if you install this version with an MX450 !! Ps : no problem with MX64, MX65, MX68, MX84 or MX100
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