Ip Mtu - Dell Z9500 Reference Manual

Version
7.6.1.0
7.5.1.0
6.1.1.0
Usage To avoid denial of service (DOS) attacks, keep the number of fragments allowed for
Information 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
Defaults 1500 bytes
Command INTERFACE
Modes
Command
This guide is platform-specific. For command information about other platforms,
History
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
9.2(1.0)
8.3.19.0
8.3.7.0
8.1.1.0
6.1.1.0
Usage When you enter the no mtu command, the system reduces the ip mtu value to
Information
1536 bytes. To return the IP MTU value to the default, use the no ip mtu
command.
Compensate for Layer 2 header when configuring link MTU on an Ethernet
interface or the system may not fragment packets. If the packet includes a Layer 2
918
Description
Introduced on the S-Series.
Introduced on the C-Series.
Introduced for the E-Series.
Enter the maximum MTU size if the IP packet is fragmented.
The range is from 576 to 9234. The default is 1500 bytes.
Description
Introduced on the Z9500.
Introduced on the S4820T.
Introduced on the S4810.
Introduced on the E-Series ExaScale.
Introduced on the E-Series.
IPv4 Routing