Platform Ip Verify - Cisco Nexus 3548 Command Reference Manual

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.
Syntax Description
checksum
fragment
tcp tiny-frag
version
Command Default All address tests are enabled.
Command Modes Global configuration mode
Command History Release
5.0(3)A1(1)
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 Command
platform ip verify address
platform ip verify length
show hardware forwarding ip
verify
Cisco Nexus 3548 Switch NX-OS Unicast Routing Command Reference
278
platform ip verify {checksum | fragment | tcp tiny-frag | version}
no platform ip verify {checksum | fragment}
Drops IPv4 packets if the checksum is invalid.
Drops IPv4 packets if the packet fragment has a nonzero offset and the Don't
Fragment (DF) bit is active.
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.
Drops IPv4 packets if the EtherType is not set to 4 (IPv4).
Modification
This command was introduced.
Description
Configures IPv4 packet verification checks based on addresses.
Configures IPv4 packet verification checks based on length.
Displays information about IP packet verification checks.
Chapter Unicast Routing Commands
OL-27852-01