Figure 46, Figure 47 – H3C Technologies H3C S12500 Series Switches User Manual
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Figure 46 Member switch-based upgrade for incompatible versions
Figure 47 Member switches-based upgrade for incompatible versions
Old Old version
New New version
Global active MPU
Global standby MPU
Interface card
Upgrade the
subordinate
member
issu load
Perform a master
and subordinate
switchover to
upgrade all cards
issu run
switchover
Roll back
Old
Old
Old
Old
Old
Old
Old
Old
Init state
New
New
New
New
Old
Old
Old
Old
Load state
New
New
New
New
New
New
New
New
Init state
Old Old version
New New version
Global active MPU
Global standby MPU
Interface card
Upgrade subordinate
switches
issu load
Perform a
switchover to
complete IRF
upgrade
issu run
switchover
Roll back
Old
Old
Old
Old
Old
Old
Old
Old
Init state
New
New
New
New
Old
Old
Old
Load state
New
New
New
New
New
New
New
Init state
New
New
New
New
New
New
New
New
Old
Old
Old
Old
New
New
New
New
Old
Old
Old
Old
Old
Old
Old
Old
New
Old