The 4.2.1 patch release for Adtran’s vWLAN is a minor patch release that address upgrade issues for APs
using external firmware servers when they are upgraded to the 4.2.1 vWLAN release.
This patch release is generally available code. Results obtained during internal testing have been evaluated
and the code has been determined to be ready for general availability.
The fixes included in these patches, and the steps to install them, are included in the release notes attached below.