Alcatel-Lucent OmniSwitch 6450 User Manual page 88

Roles Within the Stack
Primary
Secondary
!
Offline
Secondary
Offline
Primary
Secondary
Primary
page 6-6
Redundant Management Module Failover (Two Switches)
Managing OmniSwitch 6450 Stacks
A stack of two OmniSwitch 6450 switches is
1
operating normally. The stack consists of a pri-
mary module and a secondary module. (The
The primary management module fails or is
2
taken offline (e.g., powered off or rebooted by
The switch operating as the secondary manage-
3
ment module immediately takes over the primary
4
If the switch that previously failed or was taken
offline comes back online, it will assume the sec-
ondary role in the stack.
OmniSwitch 6450 Hardware Users Guide July 2012