DUA1640-5AAA02B-28 A PPENDIX B: M ANAGEMENT U SING Q UICK C ONFIG M ANAGERUpgrading a Stack In the future, an upgrade may be issued which enhances thefunctionality of the PS Hub. Any such upgrade will be available on the3Com Bulletin Board Service, refer to “3Com Bulletin Board Service” onpage E-1. Quick Config Manager allows you to upgrade a whole stackat a time, with any such upgrade.When a hub is upgraded, any configurations that have been made to itare maintained. Upgrading a stack of hubs may take up to 5 minutesfor each hub.To upgrade the stack:1 From the Configure menu, select Upgrade.Quick Config Manager displays the Software Upgrade dialog box, asshown in Figure B-14. This dialog box shows the units in the stack andthe version of agent software that they are running. At the bottom ofthe dialog box, the state of the previous software upgrade is displayed(the text is grayed out if there is a unit in the stack that is running oldagent software):n Loading — One or more of the units in the stack are still upgrading.n Success — The upgrade was successful.n Failure (with a message) — One or more of the units failed toupgrade successfully.n Status unknown — There has not been a recent upgrade.Figure B-14 Software Upgrade Dialog Box