| Change Control Event | DCN will upgrade MTWDAVDC2UCSN4 fabric firmware from the current version to the latest firmware 4.3(2b) that Cisco recommends | Change Control Event | DCN will upgrade MTWDAVDC2UCSN4 fabric firmware from the current version to the latest firmware 4.3(2b) that Cisco recommendsCHG0072639 – DCN will upgrade MTWDAVDC2UCSN4 fabric firmware from the current version to the latest firmware 4.3(2b) that Cisco recommends