A SERVICE OF

logo

Open as PDF
next previous
Redundancy (Switches 8200zl)
Notes on How the Active Module is Determined
Diagram of Decision Process
Both management modules start to
boot
Both modules fail
selftest
One module fails
selftest
Both modules
were booted
In this chassis
Module 1
booted most recently
Module 2
booted most recently
Only one
module was active
on last boot
Only one
module was on
standby last
boot
Module in lowest slot
becomes active
Switch fails to boot
Module passing selftest
becomes active
Module 1 becomes
active module
One module booted
In chassis
Module 2 becomes
active module
Module active last time
becomes active module
Module standby last
time becomes active
module
Module last booted in
chassis becomes active
module
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
Yes
No
Figure 15-33. Active Module Decision Flow Chart at Boot
15-45