Reference Guide

698 | IPv4 Routing
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ip max-frag-count
c e s
Set the maximum number of fragments allowed in one packet for packet re-assembly.
Syntax
ip max-frag-count count
To place no limit on the number of fragments allowed, enter no ip max-frag-count.
Parameters
Defaults
No limit is set on number of fragments allowed.
Command Modes
CONFIGURATION
Command
History
Usage
Information
To avoid Denial of Service (DOS) attacks, keep the number of fragments allowed for
re-assembly low.
ip mtu
e
Set the IP MTU (frame size) of the packet transmitted by the RPM for the line card
interface. If the packet must be fragmented, FTOS sets the size of the fragmented
packets to the size specified in this command.
Syntax
ip mtu value
To return to the default IP MTU value, enter
no ip mtu.
Parameters
Defaults
1500 bytes
Command Modes
INTERFACE (Gigabit Ethernet and 10 Gigabit Ethernet interfaces)
count
Enter a number for the number of fragments allowed for re-assembly.
Range: 2 to 256
Version 8.3.19.0 Introduced on S4820T
Version 8.3.7.0 Introduced on S4810
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.6.1.0 Added support for S-Series
Version 7.5.1.0 Added support for C-Series
pre-Version 6.1.1.0 Introduced for E-Series
value Enter the maximum MTU size if the IP packet is fragmented.
Default: 1500 bytes
Range: 576 to 9234