Binary package “ipband” in ubuntu bionic
daemon for subnet bandwidth monitoring with reporting via email
This is a daemon which can monitor as many different subnets (or individual
hosts, by specifying a "subnet" of /32) as you'd like. The reporting facility
will only be triggered when a defined bandwidth level had been exceeded for a
defined time.
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Information reported includes the connections which are taking up the most
bandwidth (ip address and port pairs). Reporting is done via email.