Cabletron Systems STS16-20R - Manual (Page 115)

101
Switch Configuration SmartStack STS16-20D/STS16-20R Token Ring Switches Installation and User Guide
Default: 20
Bridge Forward Delay (in Seconds)
Enter the time the BRF spanning tree entity waits between transitions from
listening to learning, and from learning to forwarding. The minimum may not be
less than the larger of 4 or ((Switch Maximum Message Age / 2) +1). The
maximum may not be higher than 30. The lower range limit that appears reflects
the value currently selected for Switch Maximum Age.
Default: 15
CRF & Port Spanning Tree Parameters...
If you select the CRF & Port Spanning Tree Parameters item, you will be presented
with a screen listing the CRFs that have the current BRF as parent. From this screen,
you can select a CRF and modify the CRF and/or port parameters as desired.
Spanning Tree for CRF Screen
To open this screen from the main menu, do the following:
1. Select Configuration
→ → → →
Spanning Tree . A list containing available BRF
VLANs appears.
2. Choose a BRF to open the Spanning Tree for BRF screen and then select CRF
& Port Spanning Tree Parameters...
3. A screen will appear displaying the CRFs that have the currently selected BRF
as parent. When you select a CRF from this list, the Spanning Tree for CRF
screen is displayed.