Reset Interface statistics eth0

[Mikevl]

Hi   As part of my tracking of the monthly DSL traffic I would like to be able to reset the interface statistics as shown in if config or /proc/net/dev. I have tried "ifdown, ifup" although this stops the interface it does not reset the statistics for the interface. Obviously I could reset the machine every month but this is a bit extreme.   Any help much appreciated   Many thanks   Mike