Dell Hitless stacking switchover examples

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