Commands 69WARNING: This change will lock out all SNMP, Telnet andWeb based management access.Do you wish to continue (yes/no) [no]:2 Enter yes to reset the IP configuration.Upgrading the Management SoftwareWhen 3Com issues a new version of the management softwareagent for the Dual Speed Hub 500, you can upgrade the units in yourstack.You must copy the new management software agent into theappropriate directory on a TFTP server (use the directory that the TFTPserver has been configured to look in). For information on how touse your TFTP server, refer to the documentation that accompanies it.During a software upgrade, you are unable to communicate with thestack. After a successful upgrade, the stack resets itself andcommunication is restored. The upgrade process may take up to5 minutes for each unit.When you upgrade a stack, the new management software is storedin each unit. If you add a unit that is running a different version ofmanagement software, you must upgrade the unit to ensure that allof the units have the same functionality.To upgrade the management software for the stack:1 At the top-level menu, enter:system softwareUpgrade2 You are prompted for the TFTP server’s IP address:TFTP Server Address [0.0.0.0]:Enter the IP address of the TFTP server that contains the newmanagement software agent.3 You are prompted for the file name of the new managementsoftware agent:File Name [DSH01_01.bin]:The file name format is DSHxx_yy.bin, where xx_yy is the versionof agent software, for example DSH02_00.bin.The command line interface starts the software upgrade.
