Configuration Guide User guide

FastIron Configuration Guide 345
53-1002494-02
Hitless stacking
Hitless stacking switchover examples
This section illustrates hitless stacking failover and switchover operation during a CLI-driven
switchover or priority change.
Figure 26 illustrates a hitless stacking switchover triggered by the stack switch-over command.
FIGURE 26 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.
FCX stack manual
switchover
Execute “stack
switch-over”
Next switchover allowed in
120 seconds