[an error occurred while processing this directive][an error occurred while processing this directive]

mtu

Syntax

mtu bytes;

Hierarchy Level

[edit interfaces interface-name], [edit interfaces interface-name unit logical-unit-number family family],[edit logical-systems logical-system-name interfaces interface-name unit logical-unit-number family family]

Release Information

Statement introduced before JUNOS Release 7.4.

Description

Maximum transmission unit (MTU) size for the media or protocol. The default MTU size depends on the device type. Changing the media MTU or protocol MTU causes an interface to be deleted and added again.

Note: Not all devices allow you to set an MTU value, and some devices have restrictions on the range of allowable MTU values. You cannot configure an MTU for management Ethernet (fxp0 or em0) interfaces or for loopback, multilink, and multicast tunnel devices.

Options

bytes—MTU size.

Range: 0 through 9192 bytes
Default: 1500 bytes (INET, INET6, and ISO families), 1448 bytes (MPLS)

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.


Published: 2010-04-20

[an error occurred while processing this directive]