If you select a striping level of 1 for a Sun Fire Link Switch configuration, the striping level is automatically upgraded to a 2. However, that level is not reflected in the Fabric Details window of the Sun Management Center console.
Workaround: Apply a patch according to the version of Solaris that you are running:
Solaris 8 Platform: Patch 116164–02
Solaris 9 Platform: Patch 114995–02 and 1161612–01