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4.9. S
panning T
Spanning Tree Protocol (STP) provides tree topography for any arrangement of bridges. STP also
provide
s one path between end station
Loops occur when alternate routes exist between hosts. Loops in an exte
bridges to forward traffic indefinitely, resulting in increased traffic and reducing network efficiency.
The device supports the following Spanning Tree versions:
• Classic STP, by which provides a single path between end stations, avoiding and eliminating loops.
• Rapid STP, which detects and uses network topologies that provide faster convergence of the
spanning tree, without creating forwarding loops.
• Multiple STP, which provides full connectivity for packets allocated to any VLAN. Multiple STP is
based on the RSTP. In addition, Multiple STP transmits packets assigned to different VLANs through
different MST regions. MST regions act as a single bridge.
4.9.1 STP Status
The STP Status screen (se
The page contains the following fields:
• Spanning Tree State By which indicates if STP is enabled on the device.
• Spanning Tree Mode By which indicates the STP mode by which STP is enabled on the
• Bridge ID
• Designated Root
re
e
s on a network, eliminating loops.
e figure 4-45) describes the STP status on the devic
Figure 4-45 STP Status screen
device
Where identifies the Bridge priority and MAC address.
This indicates the ID of the bridge with the lowest path cost to the
nded network can cause
e.
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