Logging Question ?

Hi There

can any one tell me what is that mean when user log-out from pppoe session

May 13 21:46:45 172.16.0.1 pppoe,ppp,info,account account: john logged out, 2033 1270902 4283787 7668 7267

any expert here !

connection time in seconds, bytes-in, bytes-out, packets-in, packets-out. bytes-in is direction client–>router

Thanks normis for your response

i am using 3.x any way to save logs on daily basis like MT backup.