Changing the Secondary Module to Primary Managing OmniSwitch 6250 Series Stacks
page 6-36 OmniSwitch 6250 Series Hardware Users Guide September 2009
Preliminary
9/28/09
If there are only two switches in the stack, the former primary switch resumes the secondary role when it
comes back up following the takeover.
Takeover Behavior In a Stack of Two
In this stack of two OmniSwitch 6250 Series switches, the slot 1
switch is the primary management module. The slot 2 switch is
the secondary.
A takeover is initiated by the user; the primary management
module is automatically reloaded. Any data flow on the primary
switch’s Ethernet is interrupted.
The secondary switch takes over the primary role. Ethernet traffic
on slot 2 remains unaffected. Meanwhile the stack has no interim
secondary management module as the switch reboots.
1
2
3
-> takeover
Primary - Slot 1
Secondary - Slot 2
When the former primary switch comes back up, it assumes the
secondary management role within the stack.
4
Booting...
Primary - Slot 2
Secondary - Slot 1
Primary - Slot 2
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