AOS R10.5.3 was released and posted for the NetVanta 1200 series. R10.5.3 is a maintenance release only. It includes bug fixes found since the release of R10.5.2. It does not include any of the features available in later feature releases (R10.7.0, R10.8.0, etc.). Please reference the AOS R10.5.3 Release Notesfor specific details. The NetVanta 1200 series firmware can be downloaded from the firmware landing page links for each product below.