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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.
