USING THE INFORMATION SCREENS
5-5
Wrap-AB
PHY-B is connected to the MAC (from
PHY-B/ Secondary In to MAC to
Primary Out/PHY-B). PHY-A is
wrapped Primary In to Secondary
Out), isolating PHY-A from the MAC.
MAC
WRAP-AB
FDDI-A
FDDI-B
PRIMARY
OUT
SECONDARY
IN
PRIMARY
IN
SECONDARY
OUT
Tneg (Time Negotiated) is the negotiated token rotation time (in
milliseconds) that devices on the ring establish through the token
claiming process.
Tnotify is the interval (in seconds) at which an FDMMIM transmits
Neighbor Information Frames (NIFs). The station uses NIFs to
periodically announce its address and basic station description.
Master Port Count shows the number of available M type ports.
5.1.3 FILTER DATABASE Data
The FILTER DATABASE section of the System Information screen
describes the Acquired and Permanent Database. In addition, this
screen provides access to the Filter Database screen, Create Filter
Entry screen, Delete Filter Entry screen, and Special Database
screen. The FILTER DATABASE section of the System Information
screen displays the following information:
Type of Filtering is IEEE, Special, or Both. The bridge reads each
packet’s source address and adds it to the Acquired Database (if it is
not already there). Next, the bridge checks the packet’s destination
address to determine whether or not to forward the packet.