The SmartOS 11.2.1.1 software release for Adtran’s Service Delivery Gateway (SDG) products is a major
system release that introduces new features and addresses customer issues uncovered in previous code
releases. The release is generally available code that applies to the 834-5, 841-t6, and 854-v/v6 SDG products.
Features, fixes, and errata included in this SmartOS release are included in the attached PDF.
