---
name: "probe::netdev.change_mtu"
section: "3stap"
platform: "linux"
package: "systemtap-doc"
version: "5.1-5"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/probe::netdev.change_mtu"
---

# probe::netdev.change\_mtu(3stap)

Called when the netdev MTU is changed

## NAME

probe::netdev.change\_mtu - Called when the netdev MTU is changed

## SYNOPSIS

```
netdev.change_mtu
```

## VALUES

*new\_mtu*

The new MTU

*dev\_name*

The device that will have the MTU changed

*old\_mtu*

The current MTU

## SEE ALSO0

[*tapset::networking*(3stap)](/tapset::networking/3stap.md)