Hi, i am using MRTG (2.16.1) with RRD support. the platform i am using is CentOS 5.2. do I need to implement any special kind of preserving data to retain the data on yearly basis? Like can I see the MRTG graph of 2008,2009,2010 or January 2007,from January 2007 to July 2007?? Cheers, Saleheen