Allied Telesis AT-9900 Series Release Note page 2

Enabling and Installing this Release
To use this maintenance release you must have a base release license for Software Release 2.7.6. Contact your distributor or reseller for more information. To
enable this release and install it as the preferred release, use the commands:
enable rel=89276-03.rez num=2.7.6
set install=pref rel=89276-03.rez
Levels
Some of the issues addressed in this Maintenance Version include a level number. This number reflects the importance of the issue that has been resolved. The
levels are:
Level 1 This issue will cause significant interruption to network services, and there is no work-around.
Level 2 This issue will cause interruption to network service, however there is a work-around.
Level 3 This issue will seldom appear, and will cause minor inconvenience.
Level 4 This issue represents a cosmetic change and does not affect network operation.
Version 276-03
C613-10474-00 REV B
Enabling and Installing this Release 2