Juniper EX9200 Features Manual page 55

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error: chassisd Not ready for mastership switch, try after 217 secs.
mastership switch request NOT honored, backup not ready
The specific command output differs depending on the GRES readiness state of
the member routers or switches.
Switchover Behavior in an MX Series Virtual Chassis
Virtual Chassis Components Overview
Global Roles and Local Roles in a Virtual Chassis on page 59
Understanding Graceful Routing Engine Switchover
Chapter 6: Module Redundancy and GRES
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