H3C Technologies H3C S12500 Series Switches - Manual (Page 10)

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Displaying and maintaining configuration files ········································································································ 105
Upgrading software ················································································································································ 106
Overview ······································································································································································· 106
FIPS compliance ··························································································································································· 106
Software upgrade task list ··········································································································································· 107
Upgrading BootWare ·················································································································································· 107
Upgrading the system software ·································································································································· 108
Specifying a startup system software image ···································································································· 108
Synchronizing the main startup system software image from the active MPU to the standby MPU in standalone
mode ····································································································································································· 109
Installing hotfixes ·························································································································································· 109
Basic concepts ····················································································································································· 109
Patch states ··························································································································································· 110
Hotfix configuration task list ······························································································································· 112
Configuration prerequisites ································································································································ 113
Installing and running a patch in one step ······································································································· 113
Installing a patch step by step ··························································································································· 114
Uninstalling a patch step by step ······················································································································· 116
Upgrading MBUS daughter card software ··············································································································· 116
Upgrading CPLDs ························································································································································· 117
Upgrading or repairing the power software on an interface card ········································································· 118
Upgrading the power monitor software ···················································································································· 118
Upgrading fan monitor software ································································································································ 119
Displaying and maintaining software image settings ······························································································ 120
Software upgrade examples ······································································································································· 120
System software image upgrade example (in standalone mode) ·································································· 120
System software image upgrade example (in IRF mode) ················································································ 122
Scheduled upgrade configuration example ····································································································· 124
Hotfix configuration example ····························································································································· 125
Performing ISSU ······················································································································································ 128
Overview ······································································································································································· 128
How ISSU works ··························································································································································· 128
ISSU version compatibility check ······················································································································· 128
ISSU implementation ··········································································································································· 129
ISSU upgrade steps and states ·························································································································· 131
Performing an ISSU upgrade ······································································································································ 135
ISSU upgrade prerequisites ································································································································ 135
Performing an MPU-based ISSU upgrade········································································································· 136
Performing a member switch-based or member switches-based ISSU upgrade (recommended) ··············· 137
Performing a version rollback ····································································································································· 139
Configuring auto-rollback ··································································································································· 140
Performing a manual rollback ···························································································································· 140
Displaying and maintaining ISSU ······························································································································ 140
MPU-based ISSU upgrade example (compatible version) ······················································································· 141
MPU-based ISSU upgrade example (four members, compatible version) ····························································· 143
Member switch-based ISSU upgrade example (compatible or partially compatible version) ····························· 145
Member switch-based ISSU upgrade example (four members, compatible or partially compatible version) ··· 148
Member switch-based ISSU upgrade example (incompatible version) ·································································· 150
Member switch-based ISSU upgrade example (four members, incompatible version) ········································ 152
Member switches-based ISSU upgrade example (four members, incompatible version) ····································· 154
Managing the device ·············································································································································· 157
Configuring the device name ····································································································································· 157
Changing the system time ··········································································································································· 157