KB26249 - [T-series] Unified ISSU is not supported on T-1600-FPC4-ES with the revision number lower than 13

⌂ KB26249 [T-series] Unified ISSU is not supported on T-1600-FPC4-ES with the revision number lower than 13 Version 2026-06-19 (paste date) Latest Versions [juniper.net]