# crm ra meta IPaddr Manages virtual IPv4 addresses (portable version) (ocf:heartbeat:IPaddr)
This script manages IP alias IP addresses It can add an IP alias, or remove one.
Parameters (* denotes required,  the default):
ip* (string): IPv4 address The IPv4 address to be configured in dotted quad notation, for example "192.168.1.1".
nic (string, [eth0]): Network interface The base network interfaceon which the IP address will be brought online.
If left empty, the script will tryand determine this from the routing table.
DoNOT specify an aliasinterfacein the form eth0:1or anything here; rather, specify the base interface only.
cidr_netmask (string): Netmask The netmask for the interfacein CIDR format. (ie, 24), orin dotted quad notation 255.255.255.0).
If unspecified, the script will also tryto determine this from the routing table.
broadcast (string): Broadcast address Broadcast address associated with the IP. If left empty, the script will determine this from the netmask.
iflabel (string): Interface label You can specify an additional label for your IP address here.
lvs_support (boolean, [false]): Enable support for LVS DR Enable support for LVS Direct Routing configurations. Incase a IP address is stopped, only move it to the loopback device to allow the local node tocontinueto service requests, but no longer advertise it on the network.
local_stop_script (string): Script called when the IP is released
local_start_script (string): Script called when the IP is added
ARP_INTERVAL_MS (integer, ): milliseconds between gratuitous ARPs milliseconds between ARPs
ARP_REPEAT (integer, ): repeat count How many gratuitous ARPs to send out when bringing up a new address
ARP_BACKGROUND (boolean, [yes]): run in background run in background (no longer any reason todo this)
ARP_NETMASK (string, [ffffffffffff]): netmask for ARP netmask for ARP - in nonstandard hexadecimal format.