SMC Networks 7904WBRB2, Manual

Page: 88 / 146

C
ONFIGURING THE
ADSL R
OUTER
4-44
Advanced Setting
To change the settings on this screen is recommended for experienced user
only. It is advised to leave the parameters at the default value.
• Beacon Interval: this represents the amount of time between beacon
transmissions. Before a station enters power save mode, the station
needs the beacon interval to know when to wake up to receive the
beacon (and learn whether there are buffered frames at the access
point).
• DTIM Interval: Delivery Traffic Indication Message, indicates when
the DTIM occurs. A DTIM interval is a count of the number of
beacon frames that must occur before the access point sends the
buffered multicast frames. For example, a DTIM interval of one means
that the multicast frames are sent after each beacon frame. A DTIM
interval of two indicates that multicast frames are sent after every two
beacon frames, and so on. Because each beacon frame includes a field
that identifies the DTIM interval, all stations know when to wake up
and receive multicast frames if they are implementing power saving.