#sqlnet.expire_time = 10
########################
#
#Possible values: 0-any valid positive integer! (in minutes)
#Default: 0 minutes
#Recommended value: 10 minutes
#
#Purpose: Indicates the time interval to send a probe to verify the
#          client session is alive (this is used to reclaim watseful
#          resources on a dead client)


没有网络环境，有的时候再测试