# bmon > Monitor bandwidth and capture network related statistics. > More information: . - Display the list of all the interfaces: `bmon {{[-a|--show-all]}}` - Display data transfer rates in bits per second: `bmon {{[-b|--use-bit]}}` - Specify the policy to define which network interface(s) is/are displayed: `bmon {{[-p|--policy]}} {{interface_1,interface_2,interface_3}}` - Specify the interval (in seconds) in which rate per counter is calculated: `bmon {{[-R|--rate-interval]}} {{2.0}}`