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
ip arp gratuitous
ip arp gratuitous
To enable gratuitous Address Resolution Protocol (ARP), use the ip arp gratuitous command. To
disable gratuitous ARP, use the no form of this command.
ip arp gratuitous {request | update}
no ip arp gratuitous {request | update}
Syntax Description
Command Default Enabled
Command Modes Interface configuration mode
Command History
Usage Guidelines This command does not require a license but if you want to enable Layer 3 interfaces, you must install
the LAN Base Services license.
Examples This example shows how to disable gratuitous ARP request on interface Ethernet 2/1:
switch# configure terminal
switch(config)# interface ethernet 1/2
switch(config-if)# no switchport
switch(config-if)# ip arp gratuitous
switch(config-if)#
Related Commands
request Enables sending gratuitous ARP requests when a duplicate address is
detected.
update Enables ARP cache updates for gratuitous ARP.
Release Modification
5.0(3)A1(1) This command was introduced.
Command Description
ip arp Configures a static ARP entry.
show ip arp Displays ARP configuration information.

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