arp ipv4 mac


arp ipv4 <IPv4-ADDR> mac <MAC-ADDR>

no arp ipv4 <IPv4-ADDR> mac <MAC-ADDR>


Configures static ARP multicast on the interface.

The no form of this command removes the static ARP multicast configuration.

Command context

config-if and config-if-vlan



Specifies cluster's virtual IPv4 address.


Specifies multicast MAC address in IANA format (xx:xx:xx:xx:xx:xx) and non IANA format (xxxx.xxxx.xxxx).


Administrators or local user group members with execution rights for this command.


Configuring static ARP multicast on an interface:

switch(config)# vlan 10
switch(config-vlan-10)# no shutdown
switch(config-vlan-10)# ip igmp snooping enable
switch(config-vlan-10)# exit
switch(config)# interface vlan10
switch(config-if-vlan)# ip igmp enable
switch(config-if-vlan)# arp ipv4 mac 01:00:5e:7F:1E:FE

If your NLB Virtual IP address is, then the server will join the IGMP group. This IGMP group is mapped to the destination MAC address of 01:00:5e:7F:1E:FE.