How does master local configuration synchronization work?

Aruba Employee
Aruba Employee

Product and Software: This article applies to all Aruba controllers and ArubaOS 3.x.

Master and local controllers exchange heartbeat messages every 10 seconds; which is configurable.

(Aruba) (config) #cfgm set heartbeat <time_in_secs>

  • Heartbeats include the configuration timestamp.
  • If master has later timestamp than the local; local state is changed from 'Update Successful' to 'Update Required'.
  • When local timestamp is different from master, local requests configuration from master.
  • Master initiates configuration synchronization by sending out the first packet with 8 bytes payload, which includes size of the configuration file to follow and changes the local state to 'Update in Progress'.
  • Local controller parses the configuration file and pushes the new configuration to the appropriate modules
  • Local starts using the new timestamp in heartbeat.
  • Master changes the local state to 'Update Successful'.
Version history
Revision #:
1 of 1
Last update:
‎07-06-2014 10:45 PM
Updated by:
Labels (1)
Search Airheads
Showing results for 
Search instead for 
Did you mean: