---
syntax: markdown
tags: [tldr, linux]
source: https://github.com/tldr-pages/tldr.git
---
# iftop

> Show bandwidth usage on an interface by host.
> More information: <https://manned.org/iftop>.

- Show the bandwidth usage:

`sudo iftop`

- Show the bandwidth usage of a given interface:

`sudo iftop -i {{interface}}`

- Show the bandwidth usage with port information:

`sudo iftop -P`

- Do not show bar graphs of traffic:

`sudo iftop -b`

- Do not look up hostnames:

`sudo iftop -n`

- Display help:

`?`
