System information

Configuring the Switch
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Figure 3-29 QoS Settings - DSCP Mode Priority Mapping
RSTP
The Rapid Spanning Tree Protocol (RSTP) is a protocol that prevents loops in the
network and dynamically reconfigures which physical links in a switch should
forward frames.
Spanning Tree Protocol Introduction
The Spanning Tree Protocol (STP) can be used to detect and disable network loops,
and to provide backup links between switches, bridges or routers. This allows the
switch to interact with other bridging devices (that is, an STP-compliant switch,
bridge or router) in your network to ensure that only one route exists between any
two stations on the network, and provide backup links which automatically take over
when a primary link goes down. The spanning tree algorithms supported by this
switch are STP, Spanning Tree Protocol (IEEE 802.1D), and RSTP, Rapid Spanning
Tree Protocol (IEEE 802.1w).
RSTP System Configuration
Field Attributes
• System Priority – This parameter configures the spanning tree priority globally for
this switch. The device with the highest priority becomes the STP root device.
However, if all devices have the same priority, the device with the lowest MAC
address will then become the root device. Number between 0 - 61440 in
increments of 4096. Therefore, there are 16 distinct values.