mtu

This command configures the Maximum Transmission Unit (MTU) on the specified interface.

Syntax

mtu auto
mtu dhcp
mtu <mtu value>

Command	Description
auto	Sets MTU automatically.
dhcp	Sets MTU by DHCP.
mtu value	Sets the MTU value. Range is 68 to 1500.

Default

MTU is set to auto (usually 1500).

Command Mode

Privileged User

Example

This example sets the MTU value to 770 bytes on VLAN 6.

(config-data)# interface vlan 6
(conf-if-VLAN 6)# mtu 770