Rolling back configuration···································································································································· 98

Specifying a next-startup configuration file ················································································································· 99

Backing up the main next-startup configuration file to a TFTP server ····································································· 100

Restoring the main next-startup configuration file from a TFTP server ···································································· 100

Deleting a next-startup configuration file ··················································································································· 101

Displaying and maintaining configuration files ········································································································ 101

Upgrading software ················································································································································ 103

Overview ······································································································································································· 103

Software types ····················································································································································· 103

Software file naming conventions ······················································································································ 103

Comware image redundancy and loading procedure ··················································································· 104

System startup process ········································································································································ 104

Upgrade methods ························································································································································ 105

Non-ISSU upgrade procedure summary ···················································································································· 105

Preparing for the upgrade ·········································································································································· 106

Preloading the Boot ROM image to Boot ROM ········································································································ 106

Specifying the startup image file and completing the upgrade ·············································································· 107

Displaying and maintaining software image settings ······························································································ 108

Non-ISSU software upgrade examples ······················································································································ 109

Example of software upgrade through a reboot ······························································································ 109

Managing the device ·············································································································································· 111

Device management task list ······································································································································· 111

Configuring the device name ····································································································································· 111

Configuring the system time ········································································································································ 112

Specifying the system time source ····················································································································· 112

Setting the system time ········································································································································ 112

Enabling displaying the copyright statement ············································································································ 113

Configuring banners ···················································································································································· 113

Banner types ························································································································································ 113

Banner input modes ············································································································································ 113

Configuration procedure ···································································································································· 114

Rebooting the device ··················································································································································· 115

Configuration guidelines ···································································································································· 115

Rebooting devices immediately at the CLI ········································································································ 115

Scheduling a device reboot ······························································································································· 115

Scheduling a task ························································································································································· 116

Schedule configuration example ······················································································································· 118

Disabling password recovery capability ··················································································································· 121

Setting the port status detection timer ························································································································ 122

Configuring CPU usage monitoring ··························································································································· 122

Setting memory thresholds ·········································································································································· 122

Configuring the temperature alarm thresholds ·········································································································· 124

Verifying and diagnosing transceiver modules ········································································································ 125

Verifying transceiver modules ···························································································································· 125

Diagnosing transceiver modules ························································································································ 126

Restoring the factory-default settings and states ······································································································· 126

Displaying and maintaining device management configuration ············································································ 127

Using Tcl ·································································································································································· 129

Benefits and restrictions ··············································································································································· 129