---
name: "dev_set_mtu"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/dev_set_mtu"
---

# dev\_set\_mtu(9)

Change maximum transfer unit

## NAME

dev\_set\_mtu - Change maximum transfer unit

## SYNOPSIS

**int dev\_set\_mtu(struct net\_device \*** *dev***, int** *new\_mtu***);**

## ARGUMENTS

*dev*

device

*new\_mtu*

new transfer unit

## DESCRIPTION

Change the maximum transfer size of the network device.

## COPYRIGHT