ET42202M-S-PD
L2+ Managed 20-port 100Base-FX/1000Base-X SFP + 4-port 10/100/1000Base-T or
100/1000Base-FX SFP Combo Optical Ethernet Switch with AC + DC inputs
www.ot-systems.com Ver.1.0
265
3-8 Spanning Tree
3-8.1 Bridge Status
After you complete the MSTI Port configuration the you could to ask the switch display the
Bridge Status. The 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. If you want to auto-refresh the information then you need to evoke the “Auto-refresh”.
3. Click “ Refresh“ to refresh the STP Bridges.
4. Click “ CIST“ to next page “STP Detailed Bridge Status”.
Figure 3-8.1: The STP Bridges status
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 :
T
he 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 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.
