Can some one suggest a software for a small home network to monitor the amount uploaded / download from the internet but not the local traffic on the LAN. I know there are similar questions like these
but the suggested softwares in these questions like vnstat dont consider if the traffic is for local network or internet which means that I can not know if I am reaching my ISPs monthly cap on bandwidth. I have googled for this and found only one software i.e ipac-ng but it is not straight forward. I need something that I a normal user can use easily i.e without changing iptables rules or adding routes.