While ExtremeXOS 22.7.1-Patch1-21 supports all features on all applicable platforms as indicated in these release notes, upgrading to ExtremeXOS 22.7.1-Patch1-21 from releases earlier than 22.2 may involve performance trade-offs of some feature on certain platforms. For information about feature- and platform-specific issues, see Open Issues and Known Behaviors. For information about recommended releases for specific platforms, see http://www.extremenetworks.com/extreme-hardwaresoftware-compatibility-recommendation-matrices/software-release-recommendations/.
For instructions about upgrading ExtremeXOS software, see "Software Upgrade and Boot Options" in the ExtremeXOS 22.7 User Guide .
Beginning with ExtremeXOS 12.1, an ExtremeXOS core image (.xos file) must be downloaded and installed on the alternate (non-active) partition. If you try to download to an active partition, the error message Error: Image can only be installed to the non-active partition. appears. An ExtremeXOS modular software package (.xmod file) can still be downloaded and installed on either the active or alternate partition.