4-10
Switching Features
Spanning Tree
Global STP Settings and Port Status
To display the Spanning Tree Configuration page, click Switching > Spanning Tree in the navigation pane.
This page includes global STP settings and interface status information.
Figure 4-8. Spanning Tree Configuration Page
The following fields configure global STP settings:
Table 4-6. Spanning Tree Bridge Configuration Fields
Field Description
Spanning Tree Bridge Configuration
Spanning Tree Click Enabled to enable the Spanning Tree protocol mode on all ports. This feature is disabled on
all ports by default.
Protocol Version Select the protocol version to use:
• STP (802.1D). This is the default selection.
• RSTP (802.1w)
Max Age The maximum number of seconds after which BPDU information is considered to be aged out or
invalid. An expired Max Age parameter is typically the result of a link failure.
This value must be less than or equal to 2 x (bridge forward delay – 1) and greater than or equal
to 2 x (bridge hello time + 1).
The range is from 6 to 40 seconds and the default is 20 seconds.
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