Dell PowerConnect B-FCXs Configuration Manual page 220

5
PowerConnect B-Series FCX hitless stacking
Hitless stacking switchover examples
This section illustrates hitless stacking failover and switchover operation during a CLI-driven
switchover or priority change.
Figure 19
FIGURE 19
178
illustrates a hitless stacking switchover triggered by the stack switch-over command.
Manual switchover
Device stack manual switchover
Active 1
Standby 2
Member 3
1
Execute "stack switch-over"
No waiting period
The Active and Standby priorities must
match or the command is rejected
Standby 1
Active 2
Member 3 1
Next switchover allowed in
120 seconds
The Active and Standby controllers switch roles
immediately (no waiting period). No traffic loss
is expected.
PowerConnect B-Series FCX Configuration Guide
53-1002266-01