Syncing complete config db can be very simple too.   For me it was just one line of wget code to fetch data over and untar it.    The process took &lt; 1 seconds.<p>After which, all the configure and mirrors to standby in C code.<p>A LOT more code was written to test the config + HA switch over process.     The test script was continually configure the system on the master side via snmp and SW force switch over every 30 seconds and run over night, over weekend, and forever to see if there was any unexpected configure errors and failures.