Reference Guide

ip max-frag-count
Set the maximum number of fragments allowed in one packet for packet re-assembly.
S5000
Syntax
ip max-frag-count count
To place no limit on the number of fragments allowed, use the no ip max-frag-
count command.
Parameters
count Enter a number for the number of fragments allowed for re-
assembly. The range is 2 to 256.
Defaults No limit is set on number of fragments allowed.
Command
Modes
CONFIGURATION
Command
History
Version 9.0(1.3) Introduced on the S5000.
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 transmitted by the stack-unit. If the packet must be fragmented,
Dell Networking OS sets the size of the fragmented packets to the size specified in this command.
S5000
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 576 to 9234. The default is 1500 bytes.
Defaults 1500 bytes
Command
Modes
INTERFACE (Gigabit Ethernet and 10 Gigabit Ethernet interfaces)
Command
History
Version 9.0(1.3) Introduced on the S5000.
Usage
Information
When you enter the no mtu command, Dell Networking OS reduces the ip mtu
value to 1536 bytes. To return the IP MTU value to the default, use the no ip mtu
command.
IPv4 Routing
619