Upgrading software ··················································································································································· 95

Overview ········································································································································································· 95

Software types ······················································································································································· 95

Software file naming conventions ························································································································ 96

Comware image redundancy and loading procedure ····················································································· 96

System startup process ·········································································································································· 97

Upgrade methods ·························································································································································· 97

Upgrade procedure summary ······································································································································· 97

Preparing for the upgrade ············································································································································ 98

Preloading the BootWare image to BootWare ·········································································································· 98

Specifying the startup image file and completing the upgrade (in standalone mode) ··········································· 99

Specifying the startup image file and completing the upgrade (in IRF mode) ······················································ 100

Restoring or downgrading the BootWare image ····································································································· 101

Displaying and maintaining software image settings ······························································································ 102

Software upgrade examples ······································································································································· 103

Software upgrade example (for standalone mode) ························································································· 103

Software upgrade example (for IRF mode) ······································································································· 103

Managing the device ·············································································································································· 105

Configuring the device name ····································································································································· 105

Setting the system time ················································································································································· 105

Specifying the system time source ······························································································································ 106

Enabling displaying the copyright statement ············································································································ 106

Configuring banners ···················································································································································· 107

Banner types ························································································································································ 107

Banner input modes ············································································································································ 107

Configuration procedure ···································································································································· 108

Rebooting the device ··················································································································································· 108

Configuration guidelines ···································································································································· 109

Rebooting devices immediately at the CLI ········································································································ 109

Scheduling a device reboot ······························································································································· 109

Scheduling a task ························································································································································· 109

Schedule configuration example ······················································································································· 112

Disabling password recovery capability ··················································································································· 115

Setting the port status detection timer ························································································································ 115

Monitoring the CPU usage ·········································································································································· 115

Setting memory alarm thresholds ······························································································································· 117

Configuring the temperature alarm thresholds ·········································································································· 118

Verifying and diagnosing transceiver modules ········································································································ 119

Verifying transceiver modules ···························································································································· 119

Diagnosing transceiver modules ························································································································ 120

Displaying and maintaining device management configuration ············································································ 120

Using Python ···························································································································································· 123

Entering the Python shell ····································································································································· 123

Executing a Python script ···································································································································· 123

Python usage example ················································································································································· 123

Comware V7 extended Python API ······················································································································· 125

Importing and using the Comware V7 extended Python API ·················································································· 125

Comware V7 extended Python API functions ············································································································ 125

CLI class ································································································································································ 125

Transfer class ······················································································································································· 127

API get_self_slot ··················································································································································· 128