Whenever NDS* needs to synchronize a replica, it makes a query to WAN Traffic Manager using the traffic type NDS_SYNC. The following variables are provided by NDS for use in WAN policies.
Time of the last successful synchronization to this replica.
The version of NDS.
The expiration interval for the connection to the server holding the updated replica. <0, 0 Use default expiration interval (default) >0 Expiration Interval to be assigned to this connection