Command
History This guide is platform-specific. For command information about other platforms,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.1.1.0 Introduced on the E-Series ExaScale.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
6.1.1.0 Introduced for the E-Series.
Usage
Information
To avoid denial of service (DOS) attacks, keep the number of fragments allowed for
re-assembly low.
ip mtu
Set the IP MTU (frame size) of the packet the RPM transmits for the line card interface. If the packet must
be fragmented, the system sets the size of the fragmented packets to the size specified in this command.

Z9500

Syntax ip mtu value
To return to the default IP MTU value, use the no ip mtu command.
Parameters value Enter the maximum MTU size if the IP packet is fragmented.
The range is from 576 to 9234. The default is 1500 bytes.
Defaults 1500 bytes
Command
Modes
INTERFACE
Command
History This guide is platform-specific. For command information about other platforms,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
950 IPv4 Routing