Alcatel-Lucent 7450 ESS Series Configuration Manual page 176

Router Advertisement Commands
config>router>router-advert>if
Context
This command enables sending router advertisement messages using the VRRP virtual MAC
Description
address, provided that the virtual router is currently the master.
If the virtual router is not the master, no router advertisement messages are sent.
The no form of the command disables sending router advertisement messages.
no use-virtual-mac
Default
Page 176 7450 ESS OS Router Configuration Guide