A method for a multi-media broadcast/multicast service by a base station includes receiving, from a radio network controller (RNC), a command for updating an MBMS notification indicator, the command including notification indicator information and a connection frame number, determining whether a modification period is included in the command, and transmitting a notification indicator starting at a time based on the connection frame number for the modification period if the modification period is included in the command, wherein the notification indicator information is used to generate the notification indicator.