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CHAPTER 4: MONITOR
4.8 SPANNING TREE
4.8.1 BRIDGE STATUS
After you complete the MSTI Port configuration, the switch can display the Bridge Status. This section provides a status overview
of all STP bridge instances. The displayed table contains a row for each STP bridge instance, where the column displays the
following information.
WEB INTERFACE
To display the STP Bridges status in the web interface:
1. Click Monitor, Spanning Tree, STP Bridges.
2. To auto-refresh the information, click Auto-refresh.
3. Click “ Refresh“ to refresh the STP Bridges.
4. Click “ CIST“ to go to the next page “STP Detailed Bridge Status.”
FIGURE 4-37. STP BRIDGES STATUS SCREEN
Parameter description:
MSTI: The Bridge Instance. This is also a link to the STP Detailed Bridge Status.
Bridge ID: The Bridge ID of this Bridge instance.
Root ID: The Bridge ID of the currently elected root bridge.
Root Port: The switch port currently assigned the root port role.
Root Cost: Root Path Cost. For the Root Bridge it is zero. For all other Bridges, it is the sum of the Port Path Costs on the least cost
path to the Root Bridge.
Topology Flag: The current state of the Topology Change Flag of this Bridge instance.
Topology Change Last: The time since the last Topology Change occurred.
Buttons:
- Auto-refresh: Check this box to refresh the page automatically. Automatic refresh occurs every 3 seconds.
- Refresh: Click to refresh the page.
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