Cisco Nexus 3548 User Manual

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Cisco Nexus 3548 Switch NX-OS Unicast Routing Command Reference
OL-27852-01
Chapter Unicast Routing Commands
platform ip verify
platform ip verify
To configure IP packet verification, use the platform ip verify command. To return to the default setting,
use the no form of this command.
platform ip verify {checksum | fragment | tcp tiny-frag | version}
no platform ip verify {checksum | fragment}
Syntax Description
Command Default All address tests are enabled.
Command Modes Global configuration mode
Command History
Usage Guidelines Use this command to configure packet verification tests on IPv4 packets based on checksum or
fragments.
This command does not require a license.
Examples This example shows how to drop fragmented IPv4 packets:
switch# configure terminal
switch(config)# platform ip verify fragment
switch(config)#
Related Commands
checksum Drops IPv4 packets if the checksum is invalid.
fragment Drops IPv4 packets if the packet fragment has a nonzero offset and the Don't
Fragment (DF) bit is active.
tcp tiny-frag Drops IPv4 packets if the IP fragment offset is 1 or if the IP fragment offset
is 0 and the IP payload length is less than 16.
version Drops IPv4 packets if the EtherType is not set to 4 (IPv4).
Release Modification
5.0(3)A1(1) This command was introduced.
Command Description
platform ip verify address Configures IPv4 packet verification checks based on addresses.
platform ip verify length Configures IPv4 packet verification checks based on length.
show hardware forwarding ip
verify
Displays information about IP packet verification checks.

Cisco Nexus 3548 Specifications

General

Rack Units	1RU
Product Type	Switch
Form Factor	Rack-mountable
Jumbo Frame Support	9216 bytes
Input Voltage	100-240 VAC
Product Series	Nexus 3000
Model	Nexus 3548
Operating System	Cisco NX-OS
Ports	48 x 10GE SFP+
Latency	190 ns
Airflow	Front-to-back