User guide

274 ExtremeWare 7.2e Installation and User Guide
Using ExtremeWare Vista on the Summit 400
Figure 67: Spanning Tree Configuration (1 of 4)
In the bottom section, you can:
• Review all STPD configurations
Each STPD shows the:
— STPD name.
— State of the domain, either enabled or disabled.
— Priority level of the bridge, a value between 1 and 65535 (default 32768).
— Hello time interval for the bridge, a value between 1 and 10 seconds (default 2 seconds). The
hello time specifies the time delay between the transmission of Bridge Protocol Data Units
(BPDUs) from this STPD when it is the Root Bridge.
— Bridge forward delay, a value between 4 and 30 seconds (default 15 seconds). The bridge forward
delay specifies the time that the ports in this STPD spend in the listening and learning states
when the switch is the Root Bridge.
— The maximum age of a BPDU, a value between 6 and 40 seconds (default 20 seconds).
The STPD configuration table is shown in Figure 67 and Figure 68.
• Create or change parameters on a STPD.
Select a STPD, change the parameter values as described above, and click Configure.
The Configure Spanning Tree Parameters box is shown in Figure 67 and Figure 68.
• Assign VLANs to a STPD, as shown in Figure 68.
• Unconfigure STPD, as shown in Figure 68.