Meru Technical Note - What is the minimum downtime for N+1 before it provide services?
What is the minimum downtime for N+1 before it provide services?
Scope
KB ARTICLE TYPE: Design
RELATED PRODUCTS: All Controller Models
RELATED SOFTWARE VERSIONS: All versions
KEYWORDS: N+1, slave, master, active slave, passive slave
Solution
When the Slave does not hear 5 second heartbeat from the Master, the Slave will change its state from Passive to Active.
The Slave will start its wireless services which typically takes about 1.5 minutes. So the minimum downtime in case of N+1 switchover is 1.5 Minutes