ACE: Preempt is not working

Answered Question
Nov 30th, 2007
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Preempt is not working

- It is configured as default on primary and disabled on secondary, it appears correctly in sh ft group x detail


The failover appears to work as far as FT is concerned.

The two start out as

Primary:

My State : FSM_FT_STATE_ACTIVE

My Config Priority : 200

My Net Priority : 200

My Preempt : Enabled

Peer State : FSM_FT_STATE_STANDBY_HOT


and

Secondary

My State : FSM_FT_STATE_STANDBY_HOT

My Config Priority : 95

My Net Priority : 95

My Preempt : Disabled

Peer State : FSM_FT_STATE_ACTIVE


When the primary is reloaded, the secondary appears as follows:


My State : FSM_FT_STATE_ACTIVE

My Config Priority : 95

My Net Priority : 95

My Preempt : Disabled

Peer State : FSM_FT_STATE_UNKNOWN


When the primary comes up again, it's state is as follows:


My State : FSM_FT_STATE_STANDBY_HOT

My Config Priority : 200

My Net Priority : 200

My Preempt : Enabled

Peer State : FSM_FT_STATE_ACTIVE


Note, preempt is enabled but it's still in standby state.


I have to do a manual switchover which works fine.


Any suggestions for this problem?


Correct Answer by Gilles Dufour about 9 years 3 months ago

I believe that for preempt to work correctly on ACE, it must be configured on both side.

Could you give it a try ?


Tx.


Gilles.

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Correct Answer
Gilles Dufour Fri, 11/30/2007 - 12:51
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  • Cisco Employee,

I believe that for preempt to work correctly on ACE, it must be configured on both side.

Could you give it a try ?


Tx.


Gilles.

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