PLANET SGSW-24040 - Manual (Page 155)

User’s Manual of SGSW-24040 / 24240 Series
155
The Gigabit Ethernet Switch implement the Rapid Spanning Protocol as the default spanning tree
protocol. While select “Compatibles” mode, the system use the RSTP (802.1w) to compatible and
co work with another STP (802.1d)’s BPDU control packets.
Buttons
: Click to save changes.
: Click to undo any changes made locally and revert to previously saved values.
4.7.3 Bridge Status
This page provides a status overview for all STP bridge instances.
The displayed table contains a row for each STP bridge instance, where the column displays the following information: The STP
Bridge Status screen in Figure 4-7-8 appears.
Figure 4-7-8 STP Bridge Status page screenshot
The page includes the following fields:
Object 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 this 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 for this Bridge instance.
• Topology Change Last The time since last Topology Change occurred.